10-K

Table of Contents

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, DC 20549

________________________________

FORM 10-K

(Mark One)

ý	ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934
	FOR THE FISCAL YEAR ENDED DECEMBER 31, 2019

or

¨ TRANSITION REPORT PURSUANT To SECTION 13 or 15(D) OF THE SECURITIES EXCHANGE ACT OF 1934 FOR THE TRANSITION PERIOD FROM _______________TO_______________.

Commission file number 1-08789

________________________________

American Shared Hospital Services

(Exact name of registrant as specified in its charter)

California	94-2918118
(State or other jurisdiction of incorporation or organization)	(IRS Employer Identification No.)

Two Embarcadero Center, Suite 410, San Francisco, California  (Address of Principal Executive Offices) 94111-4107 (Zip Code)

Registrant’s telephone number, including area code: (415) 788-5300

Securities registered pursuant to Section 12(b) of the Act:

Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Common Stock No Par Value	AMS	NYSE AMERICAN

Securities registered pursuant to Section 12(g) of the Act: None

Indicate by check mark if the registrant is a well-known seasoned issuer, as defined in Rule 405 of the Securities Act. Yes ¨ No ý

Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or 15(d) of the Act. Yes ¨ No ý

Indicate by check mark whether the registrant: (1) has filed all reports required to be filed by Section 13 or 15 (d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ý No ¨

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ý No ¨

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of “large accelerated filer,” “accelerated filer,” “smaller reporting company,” and “emerging growth company” in Rule 12b-2 of the Exchange Act:

Large accelerated filer ¨	Accelerated Filer ¨	Non-accelerated Filer x	Smaller reporting company x
			Emerging growth company ¨

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ¨

Indicate by check mark if the registrant is a shell company (as defined in Rule 12b-2 of the Act). Yes ¨ No ý

As of June 30, 2019, the aggregate market value of the common stock held by non-affiliates of the registrant was approximately $12,757,000.

Number of shares of common stock of the registrant outstanding as of March 20, 2020: 5,817,000.

DOCUMENTS INCORPORATED BY REFERENCE

Portions of the registrant’s definitive Proxy Statement for the 2020 Annual Meeting of Shareholders are incorporated by reference into Part III of this report.

Table of Contents

TABLE OF CONTENTS		Page
FORWARD-LOOKING STATEMENTS
PART I:
Item 1	Business	5
Item 1A	Risk Factors	13
Item 1B	Unresolved Staff Comments	16
Item 2	Properties	16
Item 3	Legal Proceedings	16
Item 4	Mine Safety Disclosures	16
PART II:
Item 5	Market for the Registrant’s Common Equity, Related Stockholder Matters and Issuer Purchases of Equity Securities	16
Item 6	Selected Financial Data	18
Item 7	Management’s Discussion and Analysis of Financial Condition  and Results of Operations	19
Item 7A	Quantitative and Qualitative Disclosure about Market Risk	27
Item 8	Financial Statements and Supplementary Data	28
Item 9	Changes in and Disagreements with Accountants on Accounting and Financial Disclosure	28
Item 9A	Controls and Procedures	28
Item 9B	Other Information	28
PART III:
Item 10	Directors, Executive Officers and Corporate Governance	29
Item 11	Executive Compensation	29
Item 12	Security Ownership of Certain Beneficial Owners and Management  and Related Stockholder Matters	29
Item 13	Certain Relationships and Related Transactions, and Director Independence	29
Item 14	Principal Accountant Fees and Services	29
PART IV:
Item 15	Exhibits and Financial Statement Schedules	29
Item 16	Form 10-K Summary	36

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EXPLANATORY NOTE

As previously disclosed on the Company’s Form 8-K filed with the Securities and Exchange Commission (the “SEC”) on March 30, 2020, the filing of this Annual Report on Form 10-K for the period ended December 31, 2019 (this “2019 Annual Report”), was delayed due to circumstances related to COVID-19 and its impact on the Company’s accounting operations. Because of government orders issued to combat the COVID-19 outbreak, the Company’s offices and systems have been subject to closure and, as a result, its staff must now work remotely. The significant amount of additional time and resources needed to initiate remote access prevented the Company from completing the tasks necessary to file the 2019 Annual Report by its March 30, 2020 due date. The Company relied on the SEC’s Order Under Section 36 of the Securities Exchange Act of 1934 Modifying Exemptions From the Reporting and Proxy Delivery Requirements for Public Companies, dated March 25, 2020 (Release No. 34-88465), to delay the filing of this 2019 Annual Report.

FORWARD-LOOKING STATEMENTS

Certain matters discussed in this Annual Report on Form 10-K other than statements of historical information are “forward-looking statements.” The Private Securities Litigation Reform Act of 1995 has established that these statements qualify for safe harbors from liability. Forward-looking statements may include words like we “believe”, “anticipate”, “target”, “expect”, “pro forma”, “estimate”, “intend”, “will”, “is designed to”, “plan” and words of similar meaning. Forward-looking statements describe our future plans, objectives, expectations or goals. Such statements address future events and conditions concerning and include, but are not limited to, such things as:

•capital expenditures

•earnings

•liquidity and capital resources

•financing of our business

•government programs and regulations

•legislation affecting the health care industry

•the expansion of our proton beam radiation therapy business

•accounting matters

•compliance with debt covenants

•competition

•customer concentration

•contractual obligations

•timing of payments

•technology

•interest rates

These forward-looking statements involve known and unknown risks that may cause our actual results in future periods to differ materially from those expressed in any forward-looking statement. Factors that could cause or contribute to such differences include, but are not limited to, such things as:

•our high level of debt

•the limited market for our capital-intensive services

•the impact of lowered federal reimbursement rates

•the impact of recent U.S. health care reform legislation

•competition and alternatives to our services

•technological advances and the risk of equipment obsolescence

•our significant investment in the proton beam radiation therapy business

•the small and illiquid market for our stock

•effects of public health crises, pandemics and epidemics, such as COVID-19

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These lists are not all-inclusive because it is not possible to predict all factors. A discussion of some of these factors is included in this document under the headings “Item 1A. Risk Factors” and “Item 7. Management’s Discussion and Analysis of Financial Condition and Results of Operations” “–Application of Critical Accounting Policies” and “–Liquidity and Capital Resources.” This report should be read in its entirety. No one section of this report deals with all aspects of the subject matter. Any forward-looking statement speaks only as of the date such statement was made, and we are not obligated to update any forward-looking statement to reflect events or circumstances after the date on which such statement was made, except as required by applicable laws or regulations.

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PART I

ITEM 1. BUSINESS

GENERAL

American Shared Hospital Services (“ASHS” and, together with its subsidiaries, the “Company”) provides Gamma Knife stereotactic radiosurgery equipment and radiation therapy and related equipment to fifteen (15) medical centers in fourteen (14) states in the United States and one Gamma Knife unit at a stand-alone facility in Lima, Peru as of March 1, 2020. The Company provides Gamma Knife services through its 81% indirect interest in GK Financing, LLC, a California limited liability company (“GKF”). The remaining 19% of GKF is owned by GKV Investments, Inc., a wholly-owned U.S. subsidiary of Elekta AG, a Swedish company (“Elekta”). Elekta is the manufacturer of the Leksell Gamma Knife® (the “Gamma Knife”). GKF is a non-exclusive provider of alternative financing services for Leksell Gamma Knife units.

The Company wholly-owns the subsidiaries American Shared Radiosurgery Services (“ASRS”), OR21, Inc. and MedLeader.com, Inc. (“MedLeader”). ASRS is the majority-owner of GKF.

GKF has established the wholly-owned subsidiary Instituto de Gamma Knife del Pacifico S.A.C. (“GKPeru”) for the purpose of providing similar Gamma Knife services in Peru.

GKF also owns a 51% interest in Albuquerque GK Equipment, LLC (“AGKE”) and Jacksonville GK Equipment, LLC (“JGKE”). The remaining 49% in each of these two companies is owned by radiation oncologists.

The Company is also the sole owner of PBRT Orlando, LLC (“Orlando”) and the majority owner of Long Beach Equipment, LLC (“LBE”) which were formed to provide proton beam radiation therapy services in Orlando, Florida and Long Beach, California. A 40% minority ownership in LBE is owned by radiation oncologists.

The Company continues to develop its design and business model for “The Operating Room for the 21st Century”^SM through its 50% owned OR21, LLC (“OR21”). The remaining 50% of OR21 is owned by an architectural design company. OR21 is not expected to generate significant revenue within the next two years.

The Company was incorporated in the State of California in 1983 and its predecessor, Ernest A. Bates, M.D., Ltd. (d/b/a American Shared Hospital Services), a California limited partnership, was formed in June 1980.

OPERATIONS

Gamma Knife Operations

Gamma Knife stereotactic radiosurgery, a non-invasive procedure, is an alternative to conventional brain surgery and/or radiation therapy. It can be an adjunct to conventional brain surgery, radiation therapy, or chemotherapy. Compared to conventional surgery, Gamma Knife radiosurgery usually is an out-patient procedure with lower risk of complications and can be provided at a lower cost. Typically, Gamma Knife patients resume their pre-surgical activities one or two days after treatment. The Gamma Knife Perfexion unit, which was introduced by Elekta in 2006, treats patients with 192 single doses of gamma rays that are focused with great precision on small and medium sized, well circumscribed and critically located structures in the brain. The Cobalt-60 sources converge at the target area and deliver a dose that is high enough to destroy the diseased tissue without damaging the surrounding healthy tissue. In 2015, Elekta introduced an upgrade to the Gamma Knife Perfexion unit called Icon. As of March 1, 2020, all of the Company’s fifteen (15) Gamma Knife units in the United States are Gamma Knife Perfexion units and one (1) of these Perfexion units has the Icon upgrade.

The Gamma Knife treats selected malignant and benign brain tumors, arteriovenous malformations, and functional disorders including trigeminal neuralgia (facial pain). Research is being conducted to determine whether the Gamma Knife can be effective in the treatment of epilepsy, tremors, and other functional disorders.

As of December 31, 2019, there were approximately 120 Gamma Knife sites in the United States and more than 340 units in operation worldwide. Based on recent data, an estimated percentage breakdown of Gamma Knife procedures performed in the U.S. by indications treated is as follows: malignant (63%) and benign (23%) brain tumors, vascular disorders (4%), and functional disorders (10%).

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The Company, as of March 1, 2020, had fifteen (15) operating Gamma Knife units located in the United States and one in Lima, Peru. The Company’s first Gamma Knife commenced operation in September 1991. The Company’s Gamma Knife units performed 1,498 procedures in 2019 for a cumulative total of approximately 42,000 procedures from commencement through December 31, 2019.

Revenue from Gamma Knife services for the Company during each of the last five (5) years ended December 31, and the percentage of total revenue of the Company represented by the Gamma Knife for each of the last five years, are set forth below:

Year Ended December 31,	Total Gamma Knife Revenue (in thousands)		Gamma Knife % of Total Revenue
2019	$	13,551	65.8	%
2018	$	13,578	68.9	%
2017	$	14,848	75.9	%
2016	$	16,076	86.0	%
2015	$	16,077	97.2	%

The Company conducts its Gamma Knife business through its 81% indirect interest in GKF. The remaining 19% interest is indirectly owned by Elekta. GKF, formed in October 1995, is managed by its policy committee. The policy committee is composed of one representative from the Company, Ernest A. Bates, M.D., ASHS’s Chairman and CEO, and one representative from Elekta. The policy committee sets the operating policy for GKF. The policy committee may act only with the unanimous approval of both of its members. The policy committee selects a manager to handle GKF’s daily operations. Craig K. Tagawa, Chief Executive Officer of GKF and Chief Operating and Financial Officer of ASHS, serves as GKF’s manager.

GKF’s profits and/or losses and any cash distributions are allocated based on membership interests. GKF’s operating agreement requires that it have a cash reserve of at least $50,000 before cash distributions are made to its members. From inception to December 31, 2019, GKF has distributed $49,600,000 to the Company and $11,635,000 to the non-controlling member.

Image Guided Radiation Therapy Operations (“IGRT”)

The Company’s radiation therapy business currently consists of one IGRT system that began operation in September 2007 at an existing Gamma Knife customer site. Revenue generated under IGRT services accounted for approximately 4.1% of the Company’s total revenue in 2019. This contract is currently on a month-to-month basis and the Company expects it will terminate during the second quarter of 2020.

IGRT technology integrates imaging and detection components into a state-of-the-art linear accelerator, allowing clinicians to plan treatment, verify positioning, and deliver treatment with a single device, providing faster, more effective radiation therapy with less damage to healthy tissue. IGRT captures cone beam imaging, fluoroscopic and/or x-ray images on a daily basis, creating three-dimensional images that pinpoint the exact size, location and coordinates of tumors. Once tumors are pinpointed, the system delivers ultra-precise doses of radiation which ultimately leads to improved patient outcomes.

Additional information on our operations can be found in Item 6– “Selected Financial Data”, Item 7– “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 1 of our consolidated financial statements.

Proton Beam Radiation Therapy Operations (“PBRT”)

PBRT is an alternative to traditional external beam, photon-based radiation delivered by linear accelerators. PBRT, first clinically introduced in the 1950s, has physics advantages compared to photon-based systems which allow PBRT to deliver higher radiation doses to the tumor with less radiation to healthy tissue. PBRT currently treats prostate, brain, spine, head and neck, lung, breast, gastrointestinal tract and pediatric tumors. More than 200,000 patients have been treated with protons worldwide.

Introduction of PBRT in the United States, until recently, has been limited due to the high capital costs of these projects. The Company believes that the current development of one and two treatment room PBRT systems at lower capital costs and the level of reimbursement for PBRT from the Centers for Medicare & Medicaid Services (“CMS”) will help make this technology available to a larger segment of the market.

Additional information on our operations can be found in Item 6– “Selected Financial Data”, Item 7– “Management’s Discussion and Analysis of Financial Condition and Results of Operations” and Note 1 of our consolidated financial statements.

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CUSTOMERS

The Company’s current business is the outsourcing of stereotactic radiosurgery services and radiation therapy services. The Company typically provides the equipment, as well as planning, installation, reimbursement and marketing support services. The majority of the Company’s customers pay the Company on a revenue sharing basis. The market for these services primarily consists of large and medium sized medical centers. The business is capital intensive; the total cost of a Gamma Knife or IGRT facility usually ranges from $3.0 million to $5.5 million, including equipment, site construction and installation; the total cost of a single room PBRT system usually ranges from $30.0M to $40.0M, inclusive of equipment, site construction and installation. The Company pays for the equipment and the medical center generally pays for site and installation costs. The following is a listing of the Company’s sites as of March 1, 2020:

Customers (Gamma Knife except as noted)	Original Term of Contract	Year Contract Began	Basis of Payment
Southwest Texas Methodist Hospital San Antonio, Texas	10 years	1998	Fee per use
Kettering Medical Center Kettering, Ohio	10 years	1999	Revenue sharing
Tufts Medical Center Boston, Massachusetts	10 years	1999	Fee per use
University of Arkansas for Medical Sciences Little Rock, Arkansas	15 years	1999	Revenue sharing
Central Mississippi Medical Center Jackson, Mississippi	10 years	2001	Fee per use
OSF Saint Francis Medical Center Peoria, Illinois	10 years	2001	Fee per use
Albuquerque Regional Medical Center Albuquerque, New Mexico	10 years	2003	Fee per use
Northern Westchester Hospital Mt. Kisco, New York	10 years	2005	Fee per use
Tufts Medical Center (IGRT) Boston, Massachusetts	10 years	2007	Revenue Sharing
USC University Hospital Los Angeles, California	10 years	2008	Fee per use
Ft. Sanders Regional Medical Center Knoxville, Tennessee	10 years	2011	Revenue Sharing
St. Vincent’s Medical Center Jacksonville, Florida	10 years	2011	Revenue Sharing
Sacred Heart Medical Center Pensacola, Florida	10 years	2013	Revenue Sharing
PeaceHealth Sacred Heart Medical Center at RiverBend Eugene, Oregon	10 years	2014	Revenue Sharing
Orlando Health – UF Health Cancer Center Orlando, Florida (PBRT)	10 years	2016	Revenue Sharing
Bryan Medical Center Lincoln, Nebraska	10 years	2017	Revenue Sharing
Methodist Hospital Merrillville, Indiana	10 years	2019	Revenue Sharing

The Company’s typical fee per use agreement is for a ten-year term. The fixed fee per use reimbursement amount that the Company receives from the customer is based on the Company’s cost to provide the service and the anticipated volume of the customer. The Gamma Knife contracts signed by the Company typically call for a fee ranging from $6,000 to $9,300 per procedure. There are no minimum volume guarantees required of the customer. In most cases, GKF is responsible for providing the Gamma Knife and related ongoing Gamma Knife equipment expenses (i.e., personal property taxes, insurance, and equipment maintenance) and helps fund the customer’s Gamma Knife marketing. The customer generally is obligated to pay site and installation costs and the costs of operating the Gamma Knife. The customer can either renew the agreement or terminate the agreement at the end of the contractual term. If the customer chooses to terminate the agreement, then GKF removes the equipment from the medical center for possible placement at another site.

The Company’s typical revenue sharing agreements (“retail”) are for a period of ten years. Instead of receiving a fixed fee, the Company receives all or a percentage of the reimbursement (exclusive of physician fees) received by the customer. The Company is at risk for any reimbursement rate changes for radiosurgery or radiation therapy services by the government or other third-party payors. There are no minimum volume guarantees required of the customer.

One customer accounted for approximately 30%, 26%, and 21% of the Company’s total revenue in 2019, 2018 and 2017, respectively. At December 31, 2019 and 2018, three customers individually accounted for more than 10% of total accounts receivable, in the respective years.

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MARKETING

The Company markets its Gamma Knife services through its preferred provider status with Elekta and a direct sales effort led by its Vice President of Sales and Business Development, its Chief Operating Officer and its Chief Executive Officer. The Company markets its PBRT service through a direct sales effort led by its Vice President of Sales and Business Development, its Chief Operating Officer and its Chief Executive Officer. The major advantages to a health care provider in contracting with the Company for its services include:

▪The medical center avoids the high cost of owning the equipment. By not acquiring the equipment supplied by the Company, the medical center is able to allocate the funds otherwise required to purchase and/or finance the equipment to other projects.

▪The Company does not have minimum volume requirements, so the medical center avoids the risk of equipment under-utilization. The medical center pays the Company only for each procedure performed on a patient.

▪For contracts under revenue sharing arrangements, the Company assumes all or a portion of the risk of reimbursement rate changes. The medical center pays the Company only the contracted portion of revenue received from each procedure.

▪The medical center transfers the risk of technological obsolescence to the Company. The medical center and its physicians are not under any obligation to utilize technologically obsolete equipment.

▪The Company provides planning, installation, operating and marketing assistance and support to its customers.

FINANCING

The Company’s Gamma Knife business is operated through GKF. GKF generally finances its U.S. Gamma Knife units, upgrades and additions with loans or finance leases from various finance companies for typically 100% of the cost of each Gamma Knife, plus any sales tax, customs, and duties. The financing is predominantly fully amortized over an 84-month period and is collateralized by the equipment, customer contracts and accounts receivable, and is generally without recourse to the Company and Elekta. The lease financing obtained by Orlando is guaranteed by the Company and collateralized by the equipment, customer contract and accounts receivable related to this project.

COMPETITION

Conventional neurosurgery, radiation therapy and other radiosurgery devices are the primary competitors of Gamma Knife radiosurgery. Gamma Knife radiosurgery has gained acceptance as an alternative and/or adjunct to conventional surgery due to its more favorable morbidity outcomes for certain procedures as well as its non-invasiveness. Utilization of the Company’s Gamma Knife units is contingent on the acceptance of Gamma Knife radiosurgery by the customer’s neurosurgeons, radiation oncologists and referring physicians. In addition, the utilization of the Company’s Gamma Knife units is impacted by the proximity of competing Gamma Knife centers and providers using other radiosurgery devices.

Conventional linear accelerator-based radiation therapy is the primary competitor of the Company’s proton therapy system at Orlando Health. Although proton beam radiation therapy has been available for many years, it is only recently emerging as a more clinically beneficial alternative to conventional linear accelerators for certain tumors. Utilization of the Company’s proton therapy system is dependent on the acceptance of this technology by Orlando Health’s radiation oncologists and referring physicians, as well as patient self-referrals. There are currently no competing proton therapy facilities near the Company’s site.

There are several competing manufacturers of PBRT systems, including Mevion, IBA Particle Therapy Inc., Varian Medical Systems, Inc., Hitachi Ltd., ProNova Solutions, LLC, Sumitomo Heavy Industries, ProTom International, Inc. and Mitsubishi Electric. The Company has purchased one MEVION S250 and has made deposits towards the purchase of two additional MEVION S250i systems. The Mevion system, as well as single room proton therapy systems from other manufacturers, potentially provides cancer centers the opportunity to introduce single treatment room PBRT services with a cost in the range of approximately $30 to $40 million versus four and five PBRT treatment room programs costing in excess of $120 million. The MEVION S250 system received FDA approval in the second quarter of 2012 and the first clinical treatment occurred in December 2013 at Barnes-Jewish Hospital. The MEVION S250i (Hyperscan) unit, which includes pencil beam scanning, was FDA approved in December 2017. The Company’s first MEVION S250 system in operation at Orlando Health treated its first patient in April 2016. The Company currently does not have customer contracts for its second and third PBRT units.

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The Company believes the business model it has developed for use in its Gamma Knife and IGRT placements can be tailored for the PBRT market segment. The Company is targeting large, hospital-based cancer programs. The Company’s ability to develop a successful PBRT financing entity depends on the decision of cancer centers to self-fund or to fund the PBRT through conventional financing vehicles, the Company’s ability to capture market share from competing alternative PBRT financing entities, and the Company’s ability to raise capital to fund PBRT projects.

The Company’s ability to secure additional customers for Gamma Knife services and other proton beam radiation therapy services, or other equipment, is dependent on its ability to effectively compete against the manufacturers of these systems selling directly to potential customers and other companies that outsource these services. The Company does not have an exclusive relationship with any manufacturer and has previously lost sales to customers that chose to purchase equipment directly from manufacturers. The Company may continue to lose future sales to such customers and to the Company’s competitors.

GOVERNMENT PROGRAMS

The Medicare program is administered by CMS of the U.S. Department of Health and Human Services. Medicare is a health insurance program primarily for individuals 65 years of age and older, certain younger people with disabilities, and people with end-stage renal disease, and is provided without regard to income or assets.

The Medicare program is subject to statutory and regulatory changes, administrative rulings, interpretations and determinations, requirements for utilization review, and federal and state funding restrictions, all of which could materially increase or decrease payments from these government programs in the future, as well as affect the cost of providing services to patients and the timing of payments to our client hospitals.

The Company’s Gamma Knife, PBRT and IGRT customers receive payments for patient care from federal government and private insurer reimbursement programs. Currently in the United States, Gamma Knife, proton therapy and IGRT services are performed primarily on an out-patient basis. Gamma Knife patients with Medicare as their primary insurer, treated on either an in-patient or out-patient basis, comprise an estimated 35%-45% of the total Gamma Knife patients treated nationwide. PBRT and IGRT patients with Medicare as their primary insurer are treated primarily on an out-patient basis and comprise an estimated 45% to 50% of the total radiation therapy patients treated.

Congress enacted legislation in 2013 that significantly reduced the Medicare reimbursement rate for outpatient Gamma Knife treatment by setting it at the same amount paid for linear accelerator-based radio surgery treatment. Prior to April 1, 2013, Medicare’s reimbursement rate for Gamma Knife treatment had been relatively stable. The Company’s IGRT services are reimbursed by CMS and other insurers. Reimbursement for these services has remained fairly stable.

On July 10, 2019, CMS issued a proposed rule that would implement a new mandatory payment model for radiation oncology services: the Radiation Oncology Alternative Payment Model (“RO APM”). The proposed RO APM would treat prospective episode payments to hospital outpatient departments and freestanding radiation therapy centers for radiation therapy as episodes of care. The RO APM would significantly alter CMS’ payment methodology for radiation oncology services. Under the RO APM, payment would be determined by the patient’s cancer type, as opposed to a traditional volume-based fee-for-service model, and would include select radiation therapy services provided within a 90-day episode. If the RO APM is finalized as proposed, radiation therapy providers and suppliers may be mandatorily required to participate in the model based on whether the radiation therapy is provided within selected geographic areas. CMS projects that approximately 40% of the radiation oncology providers within randomly selected Core Based Statistical Areas (CBSAs) will be included in the model and approximately 60% will continue to receive reimbursement based on fee-for-service methodology. The Company, along with other interested parties, submitted comments to CMS on the proposed rule as part of the notice-and-comment rulemaking process. The comment period concluded on September 16, 2019. It is uncertain whether CMS will finalize the rule as proposed. As a result, the Company cannot estimate the potential impact of adoption of the proposed rule. However, reductions in the reimbursement rates or changes in reimbursement methodology or administration for radiosurgery and radiation therapy could adversely affect the Company’s revenues and financial results. For centers not included in the proposed model, Medicare reimbursement in 2020 for the most commonly used proton therapy delivery codes has recently been established by CMS and is expected to increase by approximately 15.5% and by approximately 3.6% for Gamma Knife. See additional discussion under “Item 1A Risk Factors.”

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The average Medicare reimbursement rate trends from 2016 to 2020 are outlined below:

Average Medicare Reimbursement Rate Trends - Gamma Knife

2016		2017		2018		2019		2020
$	8,800	$	9,000	$	9,100	$	9,300	$	9,600

The average Medicare reimbursement rate trends for PBRT from 2016 to 2020 are outlined below. Patients typically undergo 25-40 delivery sessions.

Average Medicare Reimbursement Rate Trends - PBRT

	2016		2017		2018		2019		2020
Simple without Compensation	$	506	$	494	$	522	$	520	$	539
Simple with Compensation, Intermediate, or Complex	$	1,051	$	994	$	1,053	$	1,079	$	1,246

We are unable to predict the effect of future government health care funding policy changes on operations. If the rates paid by governmental payers are reduced, if the scope of services covered by governmental payers is limited, or if one or more of our hospital clients are excluded from participation in the Medicare program or any other government health care program, there could be a material adverse effect on our business.

Affordable Care Act and Subsequent Regulation

In March 2010, President Obama signed into law the Patient Protection and Affordable Care Act, as amended by the Health Care and Education Reconciliation Act of 2010, (“Affordable Care Act”), which has resulted in significant changes to the health care industry. The primary goal of the legislation was to extend health care coverage to uninsured legal U.S. residents through both an expansion of public programs and reforms to private sector health insurance. The expansion of insurance coverage was expected to be funded in part by measures designed to promote quality and cost efficiency in health care delivery and by budgetary savings in the Medicare and Medicaid programs. Because the Company is not a health care provider, we were not directly affected by the law, but we could be indirectly affected principally as follows:

•An increase in the number of insured residents could potentially increase the number of patients seeking Gamma Knife or radiation therapy treatment.

•The Company’s retail contracts are subject to reimbursement rate changes for radiosurgery or radiation therapy services by the government or other third-party payors. Any changes to Medicare or Medicaid reimbursement through the repeal or modification of the Affordable Care Act could affect revenue generated from these sites.

Some of the provisions of the Affordable Care Act have yet to be fully implemented, while certain provisions have been subject to judicial and Congressional challenges as well as recent efforts by the current U.S. President’s administration to repeal or replace certain aspects of the Affordable Care Act. Since January 2017, the current U.S. President has signed two Executive Orders and other directives designed to delay the implementation of certain provisions of the Affordable Care Act or otherwise circumvent some of the requirements for health insurance mandated by the Affordable Care Act. Concurrently, Congress has considered legislation that would repeal or repeal and replace all or part of the Affordable Care Act. While Congress has not passed comprehensive repeal legislation, it has enacted laws that modify certain provisions of the Affordable Care Act such as removing penalties, starting January 1, 2019, for not complying with the Affordable Care Act’s individual mandate to carry health insurance and delaying the implementation of certain Affordable Care Act-mandated fees. On December 14, 2018, a U.S. District Court Judge in the Northern District of Texas, or Texas District Court Judge, ruled that the individual mandate is a critical and inseverable feature of the Affordable Care Act, and therefore, because it was repealed as part of the Tax Cuts and Jobs Act, the remaining provisions of the Affordable Care Act are invalid as well. While the Texas District Court Judge, as well as the current U.S. President’s administration and CMS, have stated that the ruling will have no immediate effect, it is unclear how this decision, subsequent appeals, and other efforts to repeal and replace the Affordable Care Act will impact the Affordable Care Act.

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In addition, other legislative changes have been proposed and adopted in the United States since the Affordable Care Act was enacted. On August 2, 2011, the Budget Control Act of 2011, among other things, created measures for spending reductions by Congress. A Joint Select Committee on Deficit Reduction, tasked with recommending a targeted deficit reduction of at least $1.2 trillion for the years 2013 through 2021, was unable to reach required goals, thereby triggering the legislation’s automatic reduction to several government programs. This includes aggregate reductions to Medicare payments to providers of up to 2% per fiscal year, started in April 2013, and, due to subsequent legislative amendments, will stay in effect through 2027 unless additional Congressional action is taken. On January 2, 2013, the then-U.S. President signed into law the American Taxpayer Relief Act of 2012, which, among other things, also reduced Medicare payments to several providers, including hospitals, imaging centers and cancer treatment centers, and increased the statute of limitations period for the government to recover overpayments to providers from three to five years. It is unclear what effect, if any, the shifting legislative and other governmental proposals would have on our business.

GOVERNMENT REGULATION

The payment of remuneration to induce the referral of health care business has been a subject of increasing governmental and regulatory focus in recent years. Section 1128B(b) of the Social Security Act (sometimes referred to as the “federal anti-kickback statute”) provides criminal penalties for individuals or entities that offer, pay, solicit or receive remuneration in order to induce referrals for items or services for which payment may be made under the Medicare and Medicaid programs and certain other government funded programs. The Affordable Care Act amended the anti-kickback statute to eliminate the requirement of actual knowledge, or specific intent to commit a violation, of the anti-kickback statute. The Social Security Act authorizes the Office of Inspector General through civil proceedings to exclude an individual or entity from participation in the Medicare and state health programs if it is determined any such party has violated Section 1128B(b) of the Social Security Act. However, the federal anti-kickback statute is subject to evolving interpretations. In the past, the government has enforced the federal anti-kickback statute to reach large settlements with healthcare companies based on sham consulting and other financial arrangements with physicians. A person or entity does not need to have actual knowledge of the statute or specific intent to violate it in order to have committed a violation. In addition, the government may assert that a claim including items or services resulting from a violation of the federal anti-kickback statute constitutes a false or fraudulent claim for purposes of the False Claims Act. The Company believes that it is in compliance with the federal anti-kickback statute. Additionally, the majority of states also have anti-kickback laws, which establish similar prohibitions and, in some cases, may apply to items or services reimbursed by any third-party payor, including commercial insurers.

Additionally, the Omnibus Budget Reconciliation Act of 1993, often referred to as “Stark II”, bans physician self-referrals to providers of designated health services with which the physician has a financial relationship. On September 5, 2007, the third and final phase of the Stark regulations (Phase III) was published. The term “designated health services” includes, among others, radiation therapy services and in-patient and out-patient hospital services. On January 1, 1995, the Physician Ownership and Referral Act of 1993 became effective in California. This legislation prohibits physician self-referrals for covered goods and services, including radiation oncology, if the physician (or the physician's immediate family) concurrently has a financial interest in the entity receiving the referral. The Company believes that it is in compliance with these rules and regulations.

On August 19, 2008, the CMS published a final rule relating to inpatient hospital services paid under the Inpatient Prospective Payment System for discharges in the Fiscal Year 2009 (the “Final Rule”). Among other things, the Final Rule prohibits “per-click payments” to certain physician lessors for services rendered to patients who were referred by the physician lessor. This prohibition on per-click payments for leased equipment used in the treatment of a patient referred to a hospital lessee by a physician lessor applies regardless of whether the physician himself or herself is the lessor or whether the lessor is an entity in which the referring physician has an ownership or investment interest. The effective date of this prohibition was October 1, 2009. However, referrals made by a radiation oncologist for radiation therapy or ancillary services necessary for, and integral to, the provision of radiation therapy (such as Gamma Knife services) are not subject to this prohibition so long as certain conditions are met. GK Financing’s majority owned subsidiaries, AGKE and JGKE have minority ownership interests that are held solely by radiation oncologists, who are otherwise exempt from the referral prohibition under the Final Rule. The Company believes it is in compliance with the Final Rule.

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A range of federal civil and criminal laws target false claims and fraudulent billing activities. One of the most significant is the Federal False Claims Act, which prohibits the submission of a false claim or the making of a false record or statement in order to secure a reimbursement from a government-sponsored program. In recent years, the federal government has launched several initiatives aimed at uncovering practices which violate false claims or fraudulent billing laws. Claims under these laws may be brought either by the government or by private individuals on behalf of the government, through a “whistleblower” or “qui tam” action. The Company believes that it is in compliance with the Federal False Claims Act; however, because such actions are filed under seal and may remain secret for years, there can be no assurance that the Company or one of its affiliates is not named in a material qui tam action.

Legislation in various jurisdictions requires that health facilities obtain a Certificate of Need (“CON”) prior to making expenditures for medical technology in excess of specified amounts. Four of the Company’s existing customers were required to obtain a CON or its equivalent. The CON procedure can be expensive and time consuming and may impact the length of time before Gamma Knife services commence. CON requirements vary from state to state in their application to the operations of both the Company and its customers. In some jurisdictions the Company is required to comply with CON procedures to provide its services and in other jurisdictions customers must comply with CON procedures before using the Company's services. The Company is unable to predict if any jurisdiction will eliminate or alter its CON requirements in a manner that will increase competition and, thereby, affect the Company's competitive position.

The Company's Gamma Knife units contain Cobalt 60 radioactive sources. The medical centers that house the Company's Gamma Knife units are responsible for obtaining possession and user's licenses for the Cobalt 60 source from the Nuclear Regulatory Commission. The Company’s Gamma Knife center in Peru was responsible for obtaining possession and user’s licenses for the Cobalt-60 sources from the Peruvian Regulatory Agencies.

Standard linear accelerator equipment utilized to treat patients is regulated by the FDA. The licensing is obtained by the individual medical center operating the equipment.

The Company believes it is in substantial compliance with the various rules and regulations that affect its businesses.

INSURANCE AND INDEMNIFICATION

The Company's contracts with equipment vendors generally do not contain indemnification provisions. The Company maintains a comprehensive insurance program covering the value of its property and equipment, subject to deductibles, which the Company believes are reasonable.

The Company's customer contracts generally contain mutual indemnification provisions. The Company maintains general and professional liability insurance in the United States. The Company is not involved in the practice of medicine and therefore believes its present insurance coverage and indemnification agreements are adequate for its business. The Company’s Peruvian Gamma Knife center is a free-standing facility operated by GKPeru. GKPeru’s treating physicians and clinical staff are independent contractors. The Company maintains general and professional liability insurance consistent with the operations of this facility and believes its present coverage is adequate for its business.

EMPLOYEES

At December 31, 2019, the Company employed nine (9) people on a full-time basis in the United States and five (5) people on a full-time basis in Lima, Peru. None of these employees is subject to a collective bargaining agreement and there is no union representation within the Company. The Company maintains various employee benefit plans and believes that its employee relations are good.

EXECUTIVE OFFICERS OF THE COMPANY

The following table provides current information concerning those persons who serve as executive officers of the Company. The executive officers were appointed by the Board of Directors and serve at the discretion of the Board of Directors.

Name:	Age:	Position:
Ernest A. Bates, M.D.	83	Chairman of the Board of Directors and Chief Executive Officer
Craig K. Tagawa	66	Senior Vice President - Chief Operating and Financial Officer
Ernest R. Bates	53	Vice President of Sales and Business Development

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Ernest A. Bates, M.D., founder of the Company, has served in the positions listed above since the incorporation of the Company. A board-certified neurosurgeon, Dr. Bates is Emeritus Vice Chairman of the Board of Trustees at Johns Hopkins University and serves on the Johns Hopkins Neurosurgery Advisory Board. He also serves on the boards of Shared Imaging and The School of Nursing Dean’s Advisory Council at UCSF. Dr. Bates currently serves as President and Director of the Ernest Bates Foundation. From 1981-1987 he was a member of the Board of Governors of the California Community Colleges, and he served on the California High Speed Rail Authority from 1997 to 2003. Dr. Bates is a member of the Board of Overseers at the University of California, San Francisco, School of Nursing. He is a graduate of the School of Arts and Sciences of the Johns Hopkins University, and he earned his medical degree at the University of Rochester School of Medicine and Dentistry.

Craig K. Tagawa has served as Chief Operating Officer since February 1999 in addition to serving as Chief Financial Officer since May 1996. Mr. Tagawa also served as Chief Financial Officer from January 1992 through October 1995. Previously a Vice President in such capacity, Mr. Tagawa became a Senior Vice President on February 28, 1993. He is also the Chief Executive Officer of GKF. From September 1988 through January 1992, Mr. Tagawa served in various positions with the Company. Mr. Tagawa currently serves as Chief Financial Officer and Secretary of the Ernest Bates Foundation. He is a former Chair of the Industrial Policy Advisory Committee of the Engineering Research Center for Computer-Integrated Surgical Systems and Technology at The Johns Hopkins University. He received his undergraduate degree from the University of California at Berkeley and his M.B.A. from Cornell University.

Ernest R. Bates joined the Company in January 2007 as Vice President of Sales and Business Development. He was on the Board of Directors of the Company from 2004 through February 2007. Prior to joining the Company, he had been Managing Director, Institutional Fixed Income Sales of HSBC Securities (USA), Inc. since 2003. Mr. Bates has also served as Managing Director, Head of Asian Product for HSBC Securities (USA) Inc. from 1999 to 2003. From 1993 through 1999, Mr. Bates held various positions with Merrill Lynch, last serving as Vice President, European Syndicate for Merrill Lynch International. He received his undergraduate degree from Brown University and a M.B.A. degree from The Wharton Business School. Ernest R. Bates is the son of Chairman of the Board and Chief Executive Officer Dr. Ernest A. Bates.

AVAILABLE INFORMATION

Our Internet address is www.ashs.com. We make available free of charge, through our Internet website under the “Investor Center” tab in the “Corporate” section, our annual report on Form 10-K, quarterly reports on Form 10-Q, current reports on Form 8-K, and amendments to those reports filed or furnished pursuant to Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (“Exchange Act”) as soon as reasonably practicable after such material is electronically filed with or furnished to the SEC. The information contained on our Internet website is not part of this document.

ITEM 1A. RISK FACTORS

In addition to the other information in this report, the following factors could affect our future business, results of operations, cash flows or financial position, and could cause future results to differ materially from those expressed in any of the forward-looking statements contained in this report.

The COVID-19 Outbreak May Adversely Affect Our Business Operations and Financial Condition

The recent outbreak of the novel coronavirus COVID-19 pandemic has spread across the globe and has been declared a national emergency. Many states and municipalities in the United States, including California, have announced aggressive actions to reduce the spread of the disease, including limiting non-essential gatherings of people, ceasing all non-essential travel, ordering certain businesses and government agencies to cease non-essential operations at physical locations and issuing “shelter-in-place” orders, which direct individuals to shelter at their places of residence (subject to limited exceptions). Across our business, healthcare resources are being prioritized for the treatment and management of the outbreak. Consequently, there are delays in delivering Gamma Knife, image guided radiation and proton therapy treatments. The COVID-19 pandemic poses the risk that we or our employees, contractors, customers, government and third party payors and others may be prevented from conducting business activities for an indefinite period of time, including due to spread of the disease within these groups or due to shutdowns that have been and may continue to be requested or mandated by governmental authorities.

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A broad, sustained outbreak of COVID-19 will negatively impact our results for the following reasons: (i) operations at medical facilities, including medical professionals and other medical facility employees, may continue to be subject to prolonged closure or shut down; (ii) medical facilities may continue to defer Gamma Knife, proton and image guided radiation therapy treatments for non-urgent patient cases in order to allocate resources to the care of patients with COVID-19; (iii) patients may continue to defer Gamma Knife, proton and image guided radiation therapy treatments due to real or perceived concerns about the potential spread of COVID-19 in a medical facility setting; (iv) deferred Gamma Knife, proton and image guided radiation therapy treatments may not be rescheduled for a later date; (v) the outbreak materially impacts our operations for a sustained period of time due to the current travel bans and restrictions, quarantines, shelter-in-place orders and shutdowns, including at our corporate headquarters in San Francisco, California, which is currently subject to a shelter-in-place order that remains in force until April 7, 2020 and may be extended; and/or (vi) members of the board, management or employee team, some of whom are particularly at-risk for the severe symptoms of COVID-19, or of our small number of other employees, may become ill or have family members who are ill and are absent as a result, or they may elect not to come to work due to the illness affecting others in our office or facilities.

The occurrence of any of the foregoing events could have a material adverse effect on our business, financial condition and results of operations. The COVID-19 outbreak and mitigation measures have had and may continue to have an adverse impact on global economic conditions which could have an adverse effect on our business and financial condition. The extent to which the COVID-19 outbreak impacts our results will depend on future developments that are highly uncertain and cannot be predicted, including new information that may emerge concerning the severity of the virus and the actions to contain its impact.

The Federal Reimbursement Rate for Gamma Knife Treatments Has Fluctuated

Congress enacted legislation in 2013 that significantly reduced the Medicare reimbursement rate for outpatient Gamma Knife treatment by setting it at the same amount paid for linear accelerator-based radiosurgery treatment. Prior to April 1, 2013, Medicare’s reimbursement rate for Gamma Knife treatment had been relatively stable. There can be no assurance that CMS reimbursement levels will be maintained at levels providing the Company an adequate return on its investment. Any future reductions in the reimbursement rate would adversely affect the Company’s revenues and financial results.

The average Medicare reimbursement rate trends from 2016 to 2020 are outlined below:

Average Medicare Reimbursement Rate Trends

2016		2017		2018		2019		2020
$	8,800	$	9,000	$	9,100	$	9,300	$	9,600

The Federal Reimbursement Rate for Proton Therapy May Fluctuate

In July 2019, CMS issued a proposed rule that would implement a new mandatory payment model for radiation oncology services. The proposed rule implementing the payment model has not been finalized and consequently the timing and details of the payment model are uncertain. Any reductions in the reimbursement rates or changes in reimbursement methodology or administration for radiosurgery and radiation therapy could adversely affect the Company’s revenues and financial results.

The Company’s Capital Investment at Each Site is Substantial

Each Gamma Knife, PBRT or IGRT device requires a substantial capital investment. In some cases, we contribute additional funds for capital costs and/or annual operating and equipment related costs such as marketing, maintenance, insurance and property taxes. Due to the structure of our contracts with medical centers, there can be no assurance that these costs will be fully recovered or that we will earn a satisfactory return on our investment.

The Market for the Gamma Knife is Limited

There is a limited market for the Gamma Knife, and the market in the United States may be mature. The Company has begun and continued operation at only seven (7) new Gamma Knife sites in the United States since 2011. Due to the substantial costs of acquiring a Gamma Knife unit, we must identify medical centers that possess neurosurgery and radiation oncology departments capable of performing a large number of Gamma Knife procedures. As of December 31, 2019, there were approximately 120 operating Gamma Knife units in the United States, of which fifteen (15) units were owned by the Company. As of December 31, 2019, the Company has two idle Gamma Knife units with a cumulative net book value of $943,000. There are currently no commitments to place into service or trade these units in during 2020. There can be no assurance that we will be successful in placing these idle units or additional units at any sites in the future. The Company’s existing contracts with its customers are fixed in length and there can be no assurance that the customers will wish to extend the contract beyond the end of the term.

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The Company Has a High Level of Debt and May Incur Additional Debt to Finance its Operations

The Company’s business is capital intensive. The Company finances its Gamma Knife units through its GKF subsidiary. The amounts financed through GKF have been generally non-recourse to ASHS. The Company financed its first proton therapy unit through its wholly-owned subsidiary, Orlando, and guaranteed the lease financing. The Company’s combined long-term debt and finance leases totaled $15,366,000 as of December 31, 2019 and is collateralized by its Gamma Knife, MEVION S250 and other assets, including accounts receivable and future proceeds from any contract between the Company and any end user of the financed equipment. Depending on the Company’s financing requirements and market conditions, the Company may seek to finance its operations by incurring additional long-term debt in the future. The Company’s current level of debt may adversely affect the Company’s ability to secure additional credit in the future, and as a result may affect operations and profitability. If a default on debt occurs in the future, the Company’s creditors would have the ability to accelerate the defaulted loan, to seize the Gamma Knife or MEVION S250 units or other equipment with respect to which default has occurred, and to apply any collateral they may have at the time to cure the default.

A Small Number of Customers Account for a Major Portion of our Revenues

A limited number of customers have historically accounted for a substantial portion of the Company’s total revenue, and the Company expects such customer concentration to continue for the foreseeable future. For example, in 2019, three (3) customers in total accounted for approximately 50% of the Company’s revenue. The loss of a significant customer or a significant decline in the business from the Company’s largest customers could have a material adverse effect on the Company’s business and results of operations.

The Market for the Company’s Services is Competitive

The Company estimates that there are two other companies that actively provide alternative, non-conventional Gamma Knife financing to potential customers. We believe there are no competitor companies that currently have more than three (3) Gamma Knife units in operation. The Company’s relationship with Elekta, the manufacturer of the Leksell Gamma Knife unit, is non-exclusive, and in the past the Company has lost sales to customers that chose to purchase a Gamma Knife unit directly from Elekta. The Company also has several competitors in the financing of proton therapy projects. The Company’s business model differs from its competitors, but there can be no assurances that the Company will not lose placements to its competitors. In addition, the Company may continue to lose future sales to customers purchasing equipment directly from manufacturers. There can be no assurance that the Company will be able to successfully compete against others in placing future units.

There are Alternatives to the Gamma Knife

Other radiosurgery devices and conventional neurosurgery compete against the Gamma Knife. Each of the medical centers targeted by the Company could decide to acquire another radiosurgery device instead of a Gamma Knife. In addition, neurosurgeons who are responsible for referring patients for Gamma Knife surgery may not be willing to make such referrals for various reasons, instead opting for invasive surgery. There can be no assurance that the Company will be able to secure a sufficient number of future sites or Gamma Knife procedures to sustain its profitability and growth.

International Operations

The Company installed a Gamma Knife in Lima, Peru in 2017. International operations can be subject to exchange rate volatility which could have an adverse effect on our financial results and cash flows. In addition, international operations can be subject to legal and regulatory uncertainty and political and economic instability, which could result in problems asserting property or contractual rights, potential tariffs, increased compliance costs, increased regulatory scrutiny, potential adverse tax consequences, the inability to repatriate funds to the United States, and the Company’s inability to operate in those locations.

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New Technology and Products Could Result in Equipment Obsolescence

There is constant change and innovation in the market for highly sophisticated medical equipment. New and improved medical equipment can be introduced that could make the Gamma Knife technology obsolete and that would make it uneconomical to operate. During 2000, Elekta introduced an upgraded Gamma Knife which cost approximately $3.6 million plus applicable tax and duties. This upgrade includes an Automatic Positioning System™ (“APS”), and therefore involved less health care provider intervention. In early 2005, Elekta introduced a new upgrade, the Gamma Knife Model 4C (“Model 4C”). The cost to upgrade existing units to the Model 4C with APS was approximately $200,000 to $1,000,000, depending on the current Gamma Knife configuration. In 2006 Elekta introduced a new model of the Gamma Knife, the Perfexion, which costs approximately $4.5 million plus applicable taxes and duties. The Perfexion can perform procedures faster than previous Gamma Knife models and it involves less health care personnel intervention. In 2015, Elekta introduced the Leksell Gamma Knife Icon ™. The Perfexion is upgradeable to the Icon platforms which has enhanced imaging capabilities allowing for treatment without a head frame and the treatment of larger tumors. Existing model 4Cs of the Gamma Knife are not upgradeable to the Perfexion model. As of March 1, 2020, all the Company’s Gamma Knife units in the United States are Perfexion models and one (1) of these Perfexion units has the Icon upgrade. The failure to acquire or use new technology and products could have a material adverse effect on our business and results of operations.

The Company Has Invested in a Proton Beam Business

We have committed a substantial amount of our financial resources to next-generation proton beam technology. The first MEVION S250 system began treating patients in December 2013. The Company’s first MEVION S250 system began treating patients in April 2016. The Company has committed to purchase two (2) additional MEVION S250i systems and has already made deposits of $2,250,000 towards this commitment. There can be no assurance that we will be able to finance the two additional systems.

The Trading Volume of Our Common Stock is Low

Although our common stock is listed on the NYSE American, our common stock has historically experienced low trading volume. Reported average daily trading volume in our common stock for the three-month period ended December 31, 2019 was approximately 10,000 shares. There is no reason to think that a more significant active trading market in our common stock will develop in the future. Limited trading volume subjects our common stock to greater price volatility and may make it difficult for you to sell your shares in a quantity or at a price that is attractive to you.

ITEM 1B. UNRESOLVED STAFF COMMENTS

None.

ITEM 2. PROPERTIES

The Company's corporate offices are located at Two Embarcadero Center, Suite 410, San Francisco, California, where it leases approximately 3,253 square feet for $20,143 per month with a lease expiration date in August 2023. The Company has a satellite office in Fairfield, California, where it leases 895 square feet for $2,940 per month with a lease expiration date in April 2020. The Company does not plan to renew this lease upon expiration. The Company also owns and operates a stand-alone Gamma Knife facility in Lima, Peru where it leases approximately 1,600 square feet for approximately $5,000 per month with a lease expiration date in January 2024.

For the year ended December 31, 2019 the Company's aggregate net rental expenses for all properties were approximately $380,000.

ITEM 3. LEGAL PROCEEDINGS

There are no material pending legal proceedings involving the Company or any of its property. The Company knows of no legal or administrative proceedings against the Company contemplated by governmental authorities.

ITEM 4. MINE SAFETY DISCLOSURES

Not applicable.

PART II

ITEM 5. MARKET FOR REGISTRANT'S COMMON EQUITY, RELATED STOCKHOLDER MATTERS AND ISSUER PURCHASES OF EQUITY SECURITIES

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Market Information and Dividend Policy

The Company's common shares, no par value (the “Common Shares”), are currently traded on the NYSE American. At December 31, 2019, the Company had 5,817,000 issued and outstanding common shares, 450,000 common shares reserved for options, 3,000 unvested restricted stock units issued, 309,000 vested restricted stock units and 129,000 restricted stock awards reserved for issuance.

The following table sets forth the high and low closing sale prices of the Common Shares of the Company on the New York Stock Exchange for each full quarter for the last two fiscal years.

	Prices for Common Shares
Quarter Ending	High		Low
March 31, 2018	$	2.87	$	2.50
June 30, 2018	$	2.89	$	2.30
September 30, 2018	$	3.50	$	2.65
December 31, 2018	$	3.89	$	2.33
March 31, 2019	$	2.95	$	2.33
June 30, 2019	$	3.21	$	2.58
September 30, 2019	$	3.09	$	2.44
December 31, 2019	$	2.68	$	2.34

The Company estimates that there were approximately 1,100 beneficial holders of its Common Shares at December 31, 2019.

There were no dividends declared or paid during 2019, 2018, or 2017.

Stock Repurchase Program

In 1999 and 2001, the Board of Directors approved resolutions authorizing the Company to repurchase up to a total of 1,000,000 shares of its common stock on the open market from time to time at prevailing prices, and in 2008 the Board of Directors reaffirmed these authorizations. In 2019, 2018, and 2017 there were no shares repurchased by the Company. A total of approximately 928,000 shares have been repurchased in the open market pursuant to these authorizations at a cost of approximately $1,957,000. As of December 31, 2019, there were approximately 72,000 shares remaining under the repurchase authorizations.

Shareholder Rights Plan

On March 22, 1999, the Company adopted a Shareholder Rights Plan (“Plan”). Under the Plan, the Company made a dividend distribution of one Right for each outstanding share of the Company’s common stock as of the close of business on April 1, 1999. The Rights become exercisable only if any person or group, with certain exceptions, becomes an “acquiring person” (acquires 15% or more of the Company’s outstanding common stock) or announces a tender or exchange offer to acquire 15% or more of the Company’s outstanding common stock. The Company’s Board of Directors adopted the Plan to protect shareholders against a coercive or inadequate takeover offer. The plan terminated on April 1, 2019.

Equity Compensation Plans

During 2019, 3,000 restricted stock units, 33,000 restricted stock units for deferred compensation and 18,000 options were issued. Additional information regarding our equity compensation plans is incorporated herein by reference from the 2020 Proxy Statement. Also, see Note 9 - “Shareholders’ Equity” to the Consolidated Financial Statements.

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ITEM 6. SELECTED FINANCIAL DATA

Summary of Operations

	Year Ended December 31,
	(Amounts in thousands except per share data)
	2019		2018		2017		2016		2015
Revenue	$	20,605	$	19,714	$	19,556	$	18,700	$	16,548
Costs of revenue	13,685		12,228		10,893		9,905		9,833
Selling and administrative expense	4,060		3,994		4,323		3,802		3,496
Interest expense	1,318		1,631		1,927		1,707		1,239
Total expenses	19,063		17,853		17,143		15,414		14,568
Income (loss) from operations	1,542		1,861		2,413		3,286		1,980
Proceeds received from investment in equity securities	0		22		0		0		0
(Loss) on write-down investment in equity securities	0		0		(579)		0		(2,140)
(Loss) on early extinguishment of debt	0		0		0		(108)		0
Interest and other income	16		198		3		15		18
Income (loss) before income taxes	1,558		2,081		1,837		3,193		(142)
Income tax expense (benefit)	128		451		(1,103)		943		434
Net income (loss)	1,430		1,630		2,940		2,250		(576)
Less net income attributable to non-controlling interest	(771)		(607)		(1,017)		(1,320)		(946)
Net income (loss) attributable to ASHS	$	659	$	1,023	$	1,923	$	930	$	(1,522)
Net income (loss) per common share attributable to ASHS:
Basic	$	0.11	$	0.18	$	0.33	$	0.17	$	(0.28)
Diluted	$	0.11	$	0.17	$	0.33	$	0.17	$	(0.28)

See accompanying note (1)

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Balance Sheet Data

	As of December 31,
	(Amounts in thousands)
	2019		2018		2017		2016		2015
Cash and cash equivalents	$	1,429	$	1,442	$	2,152	$	2,871	$	2,209
Restricted cash	350		350		350		250		50
Working capital (deficit)	2,528		472		(114)		(815)		(2,691)
Total assets	53,783		57,502		58,176		60,598		54,114
Current portion of long-term debt and finance leases	5,235		6,526		7,273		7,078		7,005
Long-term debt/finance leases, less current portion	10,131		13,640		15,870		19,958		16,113
Shareholders' equity	$	31,811	$	31,048	$	29,885	$	27,137	$	25,180

See accompanying note (1)

(1) In 1995, the Company entered into an operating agreement granting to American Shared Radiosurgery Services (a California corporation and a wholly-owned subsidiary of the Company) an 81% ownership interest in GKF. During 2010 and 2011, GKF established new operating subsidiaries, GKPeru, AGKE, and JGKE, and other subsidiaries that are not yet operational. Accordingly, the financial data for the Company presented above include the results of GKF and its subsidiaries for the periods 2015 through 2019.

This financial data as of December 31, 2019 and 2018 and for the years ended December 31, 2019 and 2018 should be read in conjunction with our consolidated financial statements and the notes thereto beginning on page F-1 of this report and with Item 7– “Management’s Discussion and Analysis of Financial Condition and Results of Operations.”

ITEM 7. MANAGEMENT'S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The World Health Organization has declared the recent COVID-19 outbreak a public health emergency. The extent of the impact of the COVID-19 outbreak on our operational and financial performance will depend on certain developments, including the duration and spread of the outbreak and its impact on our customers, which are uncertain and cannot be fully predicted at this time. We will continue to actively monitor the situation and may take further actions that alter our business operations as may be required by federal, state, or local authorities, or that we determine are in the best interests of our employees, customers and stockholders. At this point, the extent to which the COVID-19 outbreak may impact our financial condition or results of operations is uncertain. The effect of the COVID-19 outbreak will not be fully reflected in our results of operations until future periods.

APPLICATION OF CRITICAL ACCOUNTING POLICIES

The Company’s consolidated financial statements are prepared in accordance with generally accepted accounting principles and follow general practices within the industry in which it operates. Application of these principles requires management to make estimates, assumptions and judgments that affect the amounts reported in the financial statements and accompanying notes. These estimates, assumptions and judgments are based on information available as of the date of the financial statements; accordingly, as this information changes, the financial statements could reflect different estimates, assumptions and judgments. Certain policies inherently have a greater reliance on the use of estimates, assumptions and judgments and as such have a greater possibility of producing results that could be materially different than originally reported.

The most significant accounting policies followed by the Company are presented in Note 2 to the consolidated financial statements. These policies along with the disclosures presented in the other financial statement notes and, in this discussion, and analysis, provide information on how significant assets and liabilities are valued in the financial statements and how those values are determined. Based on the valuation techniques used and the sensitivity of financial statement amounts, and the methods, assumptions and estimates underlying those amounts, management has identified revenue recognition and costs of sales for turn-key and revenue sharing arrangements, and the carrying value of fixed assets and useful lives, and as such could be most subject to revision as new information becomes available. The following are our critical accounting policies in which management’s estimates, assumptions and judgments most directly and materially affect the financial statements:

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Revenue Recognition

The Company recognizes revenues under Accounting Standards Codification (“ASC”) 842 Leases (“ASC 842”) and ASC 606 Revenue from Contracts with Customers (“ASC 606”). The Company had sixteen Gamma Knife units, one PBRT system and one IGRT machine in operation as of December 31, 2019. Three of the Company’s customer contracts are through subsidiaries where GKF or its subsidiary is the majority owner and managing partner. Seven (7) of the Company’s sixteen current Gamma Knife customers are under fee-per-use contracts, and eight (8) customers are under retail arrangements. The Company, through GKF, also owns and operates a single-unit Gamma Knife facility in Lima, Peru. This unit economically functions similarly to the Company’s turn-key retail arrangements. The Company’s contracts to provide radiation therapy and related equipment services to an existing Gamma Knife customer and the Company’s PBRT system at Orlando Health – UF Health Cancer Center (“Orlando Health”), are also considered retail arrangements.

Rental Income from Medical Services

The Company recognizes revenues under ASC 842 when services have been rendered and collectability is reasonably assured, on either a fee per use or revenue sharing basis. The terms of the contracts do not contain any guaranteed minimum payments. The Company’s contracts are typically for a ten-year term and are classified as either fee per use or retail. Retail arrangements are further classified as either turn-key or revenue sharing. Revenues from fee per use contracts is determined by each hospital’s contracted rate. Revenues are recognized at the time the procedures are performed, based on each hospital’s contracted rate and the number of procedures performed. Under revenue sharing arrangements, the Company receives a contracted percentage of the reimbursement received by the hospital. The amount the Company expects to receive is recorded as revenue and estimated based on historical experience. Revenue estimates are reviewed periodically and adjusted as necessary. Under turn-key arrangements, the Company receives payment from the hospital in the amount of the hospital’s reimbursement from third party payors, and the Company is responsible for paying all the operating costs of the equipment. Operating costs are determined primarily based on historical treatment protocols and cost schedules with the hospital. The Company records an estimate of operating costs which are reviewed on a regular basis and adjusted as necessary to more accurately reflect the actual operating costs. For turn-key sites, the Company also shares a percentage of net operating profit. The Company records an estimate of net operating profit based on estimated revenues, less estimated operating costs. The operating costs and estimated net operating profit are recorded as other direct operating costs in the consolidated statement of operations. As of December 31, 2019, the Company recognized revenues of approximately $19,396,000 under ASC 842.

Revenue from retail arrangements amounted to approximately 64%, 70% and 64% of total revenue for the years ended December 31, 2019, 2018 and 2017, respectively. Because the revenue estimates are reviewed on a quarterly basis, any adjustments required for past revenue estimates would result in an increase or reduction in revenue during the current quarterly period.

Patient Income

The Company has a stand-alone facility in Lima, Peru, where a contract exists between GKPeru and the individual patient treated at the facility. Under ASC 606, the Company acts as the principal in this transaction and provides, at a point in time, a single performance obligation, in the form of a Gamma Knife treatment. Revenue related to a Gamma Knife treatment is recognized on a gross basis at the time when the patient receives treatment. There is no variable consideration present in the Company’s performance obligation and the transaction price is agreed upon per the stated contractual rate. Payment terms are typically prepaid for self-pay patients and insurance provider payments are paid net 30 days. The Company did not capitalize any incremental costs related to the fulfillment of its customer contracts. Accounts receivable earned by GKPeru were not significant as of December 31, 2019. As of December 31, 2019, the Company recognized revenues of approximately $1,209,000 under ASC 606.

2019 Results

For the year ended December 31, 2019, 66% of the Company’s revenue was derived from its Gamma Knife business, 30% was derived from the PBRT system, and the remaining 4% from its IGRT business. For the year ended December 31, 2018, 69% of the Company’s revenue was derived from its Gamma Knife business, 26% was derived from the PBRT system, and the remaining 5% from its IGRT business. For the year ended December 31, 2017, 76% of the Company’s revenue was derived from its Gamma Knife business, 21% was derived from the PBRT system, and the remaining 3% from its IGRT business.

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TOTAL REVENUE

(in thousands)	2019		Increase (Decrease)		2018		Increase (Decrease)		2017
Total revenue	$	20,605	4.5	%	$	19,714	0.8	%	$	19,556

Total revenue in 2019 increased 4.5% compared to 2018 primarily due to increased PBRT volumes. Total revenue in 2018 was generally consistent with 2017.

Gamma Knife Revenue

	2019		Increase (Decrease)		2018		Increase (Decrease)		2017
Revenue from Gamma Knife (in thousands)	$	13,551	(0.2)	%	$	13,578	(8.6)	%	$	14,848
Number of Gamma Knife procedures	1,498		2.6	%	1,460		(10.5)	%	1,631
Average revenue per procedure	$	9,046	(2.7)	%	$	9,300	2.2	%	$	9,104

Gamma Knife revenue for 2019 was $13,551,000 compared to $13,578,000 in 2018. Gamma Knife revenue for 2018 was $13,578,000 compared to $14,848,000 in 2017. Gamma Knife revenue for 2019 decreased $27,000 compared to 2018 due to a lower average reimbursement at the Company's retail sites. Gamma Knife revenue for 2018 decreased $1,270,000 compared to 2017 due to three customer contracts that expired in April 2017, August 2017 and April 2018, respectively.

The number of Gamma Knife procedures performed in 2019 increased 38 compared to 2018 due to the Company's new site in Merrillville, Indiana which began treating patients in January 2019 and the Company's stand-alone facility in Lima, Peru. The number of Gamma Knife procedures performed in 2018 decreased 171 compared to 2017, due to three customer contracts that expired in April 2017, August 2017, and April 2018, respectively.

Revenue per procedure decreased by $254 and increased by $196 in 2019 and 2018 compared to 2018 and 2017, respectively. For 2019, the decrease was due to lower average reimbursement at the Company's retail sites. For 2018, the increase was primarily due to the expiration of a high volume, low reimbursement rate customer contract in April 2017.

Proton Therapy Revenue

	2019		Increase (Decrease)		2018		Increase (Decrease)		2017
Revenue from PBRT (in thousands)	$	6,214	23.2	%	$	5,042	22.4	%	$	4,120
Number of PBRT fractions	6,018		17.1	%	5,141		12.9	%	4,554
Average revenue per fraction	$	1,033	5.3	%	$	981	8.4	%	$	905

PBRT revenue for 2019 was $6,214,000 compared to $5,042,000 and $4,120,000 in 2018 and 2017, respectively. The number of PBRT fractions performed in 2019 was 6,018 compared to 5,141 and 4,554 in 2018 and 2017. Revenue per fraction in 2019 was $1,033 compared to $981 and $905 in 2018 and 2017, respectively. The Company’s first MEVION S250 system was placed at Orlando Health and treated its first patient in April 2016 and revenues and volumes have continued to increase since its first year of operations.

IGRT Revenue

(in thousands)	2019		Increase (Decrease)		2018		Increase (Decrease)		2017
Revenue from IGRT	$	840	(23.2)	%	$	1,094	86.1	%	$	588

IGRT revenue for 2019 was $840,000 compared to $1,094,000 and $588,000 in 2018 and 2017, respectively. IGRT revenue decreased for 2019 due to the site preparing for the unit to come offline. IGRT revenue increased for 2018 due to increased volumes at the Company’s existing site.

COSTS OF REVENUE

(In thousands)	2019			Increase (Decrease)		2018			Increase (Decrease)		2017
Total costs of revenue	$	13,685		11.9	%	$	12,228		12.3	%	$	10,893
Percentage of total revenue	66.4		%			62.0		%			55.7		%

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The Company's costs of revenue, consisting of maintenance and supplies, depreciation and amortization, and other operating expenses (such as insurance, property taxes, sales taxes, marketing costs and operating costs from the Company’s retail sites) increased by $1,457,000 in 2019 and $1,335,000 in 2018 compared to 2018 and 2017, respectively.

Maintenance and supplies costs as a percentage of total revenue were 12.7%, 12.2%, and 6.9% in 2019, 2018, and 2017, respectively. Maintenance and supplies costs increased by $219,000 and $1,040,000 in 2019 and 2018 compared to 2018 and 2017, respectively. The increase in 2019 and 2018 compared to 2018 and 2017, respectively, was due to the Company’s PBRT maintenance contract which began September 2017. The PBRT maintenance contract renews annually every September and is for a five (5) year period. On December 20, 2018, the Company signed a Second Amendment to the Mevion Service Agreement (defined below), where the Company agreed to increase the annual service payment by $250,000, effective for the second service year, and for each year thereafter.

Depreciation and amortization costs as a percentage of total revenue were 35.6%, 34.2%, and 33.8% in 2019, 2018 and 2017, respectively. Depreciation and amortization costs increased $596,000 and $144,000 in 2019 and 2018 compared to 2018 and 2017, respectively. The increase in 2019 compared to 2018 was due to depreciation incurred on the Company's Gamma Knife and IGRT equipment at its location in Boston, Massachusetts. These contracts are set to expire in the second quarter of 2020. The increase in 2018 compared to 2017 was due to depreciation incurred on the Company’s Gamma Knife in Peru, which began operations in July 2017, and depreciation incurred on the PBRT system.

Other direct operating costs as a percentage of total revenue were 18.1%, 15.6%, and 15.0% in 2019, 2018 and 2017, respectively. Other direct operating costs increased by $642,000 and $151,000 in 2019 and 2018 compared to 2018 and 2017, respectively. The increase in 2019 and 2018 is due to operating costs incurred by the Company’s PBRT system and operating costs for the Company’s Gamma Knife site in Peru, which began treating patients in July 2017.

SELLING AND ADMINISTRATIVE EXPENSE

(In thousands)	2019			Increase (Decrease)		2018			Increase (Decrease)		2017
Selling and administrative costs	$	4,060		1.7	%	$	3,994		(7.6)	%	$	4,323
Percentage of total revenue	19.7		%			20.3		%			22.1		%

The Company's selling and administrative costs increased $66,000 and decreased $329,000 in 2019 and 2018 compared to 2018 and 2017, respectively. The increase in 2019 was due to salaries and wages. The decrease in 2018 was driven by legal fees, severance expense incurred in 2017, and stock-based compensation incurred in 2017, related to performance awards.

INTEREST EXPENSE

(In thousands)	2019			Increase (Decrease)		2018			Increase (Decrease)		2017
Interest expense	$	1,318		(19.2)	%	$	1,631		(15.4)	%	$	1,927
Percentage of total revenue	6.4		%			8.3		%			9.9		%

The Company's interest expense decreased $313,000 and $296,000 in 2019 and 2018 compared to 2018 and 2017, respectively. The decrease in 2019 and 2018 compared to 2018 and 2017 is primarily due to a lower average principal base for the Company’s lease and debt portfolio, effectively reducing interest expense.

PROCEEDS RECEIVED FROM INVESTMENT IN EQUITY SECURITIES

(In thousands)	2019			Increase (Decrease)	2018			Increase (Decrease)	2017
Proceeds received from investment in equity securities	$	0		*	$	22		*	$	0
Percentage of total revenue	0.0		%		0.1		%		0.0		%

*Not meaningful

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Proceeds received from the Company’s investment in equity securities was $0 in 2019 compared to $22,000 in 2018 and $0 in 2017. As of December 31, 2017, the Company adjusted the carrying value of its investment in equity securities to the determined fair value of $0 and recorded a $579,000 impairment loss. Following a round of financing in the second quarter 2018, the Company’s investment in equity securities (preferred and common shares) was cancelled. The Company’s investment in common and preferred shares were valued at $0 and $22,000, respectively, resulting in cash proceeds of $22,000 from its investment in equity securities. The Company no longer has any ownership interest in the entity in which it previously held an equity investment.

(LOSS) ON WRITE DOWN INVESTMENT IN EQUITY SECURITIES

(In thousands)	2019			Increase (Decrease)	2018			Increase (Decrease)	2017
(Loss) on write down investment in equity securities	$	0		*	$	0		*	$	(579)
Percentage of total revenue	0.0		%		0.0		%		(3.0)		%

*Not meaningful

(Loss) on the write down of the Company’s investment in equity securities was $0 in 2019 and 2018 compared to $579,000 in 2017. For 2017, the (loss) on the write down of investment in equity securities is due to the other-than-temporary assessment performed at December 31, 2017. The Company adjusted the carrying value of its investment in Mevion to the determined fair value of $0 and recorded a $579,000 impairment loss during the year ended December 31, 2017.

This transaction is treated as a capital loss for tax purposes which may be deducted only to the extent the Company has capital gains. The Company is not aware of any event or transaction planned where the Company would generate a capital gain. Therefore, a full valuation allowance was recorded against the income tax benefit from the impairment loss, and the net impact to the income tax provision is $0 for the year ended December 31, 2017.

INTEREST AND OTHER INCOME

(In thousands)	2019			Increase (Decrease)		2018			Increase (Decrease)		2017
Interest and other income	$	16		(91.9)	%	$	198		6,500.0	%	$	3
Percentage of total revenue	0.1		%			1.0		%			0.0		%

Interest and other income decreased $182,000 and increased $195,000 in 2019 and 2018 compared to 2018 and 2017, respectively. The decrease in 2019 and increase in 2018 was due to an insurance reimbursement received from the Company’s business interruption coverage. In the third quarter of 2018, the PBRT unit at Orlando Health sustained water damage resulting from the facility’s water evacuation system. The PBRT system was down for two weeks as a result. The Company received approximately $185,000. Interest and other income is generally comprised of interest expense and interest earned, and increases or decreases generally reflect fluctuations in these amounts.

INCOME TAX EXPENSE

(In thousands)	2019			Increase (Decrease)		2018			Increase (Decrease)		2017
Income tax expense (benefit)	$	128		(71.6)	%	$	451		140.9	%	$	(1,103)
Percentage of total revenue	0.6		%			2.3		%			(5.6)		%
Percentage of income, after net income attributable to non-controlling interests, and before income taxes	16.3		%			30.6		%			(134.5)		%

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Income tax expense decreased $323,000 and increased $1,554,000 in 2019 and 2018 compared to 2018 and 2017, respectively. During the year ended December 31, 2019, the Company released the valuation allowance related to GKPeru deferred tax assets, which resulted in an income tax benefit of $104,000. The Company concluded, based upon the preponderance of positive evidence (i.e. cumulative profit before tax adjusted for permanent items over the previous twelve quarters, a history of taxable income in recent periods, and the current forecast of income before taxes for GKPeru going forward) over negative evidence and the anticipated ability to use the deferred tax assets, that it was more likely than not that the deferred tax assets will be realized. If there are unfavorable changes to actual operating results or to projections of future income, the Company may determine that it is more likely than not such deferred tax assets may not be realizable.

On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (the “Tax Act”). The Tax Act makes broad and complex changes to the U.S. tax code that affect fiscal 2017, including, but not limited to requiring a one-time transition tax on certain unrepatriated earnings of foreign subsidiaries that is payable over eight years. The Tax Act also establishes new tax laws that will affect 2018 and later years, including, but not limited to, a reduction of the U.S. federal corporate tax rate from 34% to 21%, a general elimination of U.S. federal income taxes on dividends from foreign subsidiaries, net operating loss deduction limitations, a base erosion, anti-tax abuse tax and a deduction for foreign-derived intangible income and a new provision designed to tax global intangible low-taxed income. As a result of the Tax Act, the Company revalued its federal and state deferred tax liabilities based on a 21% tax rate as opposed to a 34% tax rate. The net effect of this change on the Company’s income tax provision for the year ended December 31, 2017 was a tax benefit of $1,546,000. The increase for the year ended December 31, 2018 was due to the provision benefit recorded in 2017.

The Company anticipates that it will continue to record income tax expense if it operates profitably in the future. Currently there are state income tax payments required for most states in which the Company operates. At December 31, 2019, the Company exhausted the remainder of its net operating loss carryforward for federal income tax return purposes. The Company has net operating loss carryforwards for state income tax purposes.

NET INCOME ATTRIBUTABLE TO NON-CONTROLLING INTERESTS

(In thousands)	2019			Increase (Decrease)		2018			Increase (Decrease)		2017
Net income attributable to non-controlling interests	$	771		27.0	%	$	607		(40.3)	%	$	1,017
Percentage of total revenue	3.7		%			3.1		%			5.2		%

Net income attributable to non-controlling interests increased $164,000 and decreased $410,000 in 2019 and 2018 compared to 2018 and 2017, respectively. Net income attributable to non-controlling interests represents the pre-tax income earned by the 19% non-controlling interest in GKF, and the pre-tax income or losses of the non-controlling interests in various subsidiaries controlled by GKF. The decrease or increase in net income attributable to non-controlling interests reflects the relative profitability of GKF. The increase in 2019 compared to 2018 was primarily driven by one of GKF's subsidiares of which GKF owns 51%.

NET INCOME ATTRIBUTABLE TO AMERICAN SHARED HOSPITAL SERVICES

(In thousands, except per share amounts)	2019		Increase (Decrease)		2018		Increase (Decrease)		2017
Net income attributable to ASHS	$	659	(35.6)	%	$	1,023	(46.8)	%	$	1,923
Net income per share attributable to ASHS, diluted	$	0.11	(35.3)	%	$	0.17	(48.5)	%	$	0.33

Net income attributable to American Shared Hospital Services was $659,000 in 2019 compared to $1,023,000 in 2018, and $1,923,000 in 2017. Net income decreased $364,000 in 2019 compared to 2018 due to increased operating costs associated with the Company's stand-alone facility in Lima, Peru and depreciation expense incurred at one of the Company's Gamma Knife and the Company's IGRT site. Excluding the adjustment to the Company’s income tax provision, because of the Tax Act of $1,546,000, and the write-down of the Company’s investment in Mevion of $579,000 in 2017, net income in 2018 increased $45,000 compared to 2017.

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IMPAIRMENT ANALYSIS OF INVESTMENT IN EQUITY SECURITIES

As of December 31, 2019, and 2018 the Company had a $0 investment in the common stock of Mevion. The Company previously accounted for this investment under the cost method. The Company previously carried its investment in Mevion at cost and reviewed it for impairment on a quarterly basis, or as events or circumstances might have indicated that the carrying value of the investment may not be recoverable.

Based on guidance provided in ASC 320 Investments–Debt and Equity Securities (“ASC 320”) and Staff Accounting Bulletins (“SAB”) Topic 5M Other Than Temporary Impairment (“OTTI”) of Certain Investments in Equity Securities (“SAB Topic 5M”), the Company analyzed the related events of Mevion, that occurred in the second and third quarters of 2015 and its impact on the Company’s investment. The Company determined that these circumstances indicated a decline in value of its Mevion investment that was other-than-temporary and concluded that a write-down of the carrying value should be recognized. As of June 30, 2015, the Company adjusted its investment in Mevion to the estimated fair value of $600,000 and recorded a $2,114,000 impairment loss. The $2,114,000 other than temporary impairment of its investment in Mevion is recorded in other income (loss) on the Company’s Consolidated Statement of Operations.

During the period ended December 31, 2015, the Company engaged a third-party expert to review and corroborate its assessment of the fair value of the Mevion investment. Based on the third-party analysis, an additional impairment loss of $26,000 was recognized by the Company during the three months ended December 31, 2015. The fair value of the Company’s investment in Mevion, as of December 31, 2015 was approximately $579,000. The impairment loss for the year ended December 31, 2015 was $2,140,000.

During the year ended December 31, 2017, the Company reviewed its investment in Mevion and determined the fair value of its investment was $0. Based on the Company’s assessment of its investment in Mevion, the Company recognized an impairment loss for the year then ended December 31, 2017 of $579,000. During 2018, Mevion entered into a merger transaction with Mevion Medical Technology Group Limited, and the Company’s common shares in Mevion were cancelled.

LIQUIDITY AND CAPITAL RESOURCES

The Company had cash and cash equivalents of $1,429,000 at December 31, 2019 compared to $1,442,000 at December 31, 2018, a decrease of $13,000. The Company’s expected primary cash needs on both a short and long-term basis are for capital expenditures, business expansion, working capital, and other general corporate purposes.

Operating activities provided cash of $8,047,000 in 2019, which was driven by net income of $1,430,000, non-cash charges for depreciation and amortization of $7,411,000, net accrued interest on lease financing of $29,000, stock-based compensation expense of $230,000, non-cash lease expense of $256,000, interest expense associated with lease liabilities of $76,000, changes in prepaid and other assets of $260,000, changes in other accrued liabilities and deferred revenue of $28,000, net insurance proceeds of $160,000 and income taxes payable of $130,000. These were partially offset by an income tax benefit of $444,000, changes in receivables of $1,187,000, and net lease liabilities of $332,000.

The Company’s trade accounts receivable increased by $1,392,000 to $6,894,000 at December 31, 2019 from $5,502,000 at December 31, 2018, primarily due to accounts receivable related to the ramping up of revenues for the PBRT system which began operations in April 2016 and an outstanding payment related to a contractual Medicare adjustment for one of the Company's Gamma Knife contracts, which was collected in January 2020. The number of days revenue (sales) outstanding (“DSO”) in accounts receivable as of December 31, 2019 increased to 122 days compared to 102 days at December 31, 2018. DSO can and does fluctuate depending on timing of customer payments received and the mix of fee per use versus retail customers. Retail sites generally have longer collection periods than fee per use sites.

Investing activities used $990,000 of cash in 2019 due to payments made towards the purchase of property and equipment.

Financing activities used $7,070,000 of cash during 2019, primarily due to principal payments on long-term debt of $1,980,000, principal payments towards finance leases of $4,142,000, principal payments on short-term financing of $51,000, and distributions to non-controlling interests of $939,000. These decreases were offset by proceeds from options exercised of $42,000.

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The Company had working capital at December 31, 2019 of $2,528,000 compared to working capital of $472,000 at December 31, 2018. The $2,056,000 increase in net working capital was due to an increase in accounts receivable and other receivables of $1,322,000, increases in prepaid and other assets of $624,000, decrease in accrued liabilities of $25,000, decreases in finance leases of $698,000, and decreases in long term debt of $593,000. This was offset by a decrease in cash of $13,000, net decrease in insurance receivable of $160,000, increase in accounts payable of $122,000, income taxes payable of $130,000, increase in short-term financing of $475,000, increase in lease liabilities of $279,000, and an increase in employee compensation and benefits of $27,000. The Company believes that its cash flow from cash on hand, operations, and other cash resources are adequate to meet its scheduled debt and finance lease obligations during the next 12 months. See additional discussion below related to commitments.

The Company, in the past, has secured financing for its Gamma Knife and radiation therapy units. The Company has secured financing for its projects from several lenders and anticipates that it will be able to secure financing on future projects from these or other lending sources, but there can be no assurance that financing will continue to be available on acceptable terms.

IMPACT OF INFLATION AND CHANGING PRICES

The Company does not believe that inflation has had a significant impact on operations because a substantial majority of the costs that it incurs under its customer contracts are fixed through the term of the contract.

CONTRACTUAL OBLIGATIONS, COMMITMENTS, CONTINGENT LIABILITIES AND OFF-BALANCE SHEET ARRANGEMENTS

The following table presents, as of December 31, 2019, the Company’s significant fixed and determinable contractual obligations by payment date. The payment amounts represent those amounts contractually due to the recipient and do not include any unamortized premiums or discounts, hedge basis adjustments, or other similar carrying value adjustments. Further discussion of the nature of each obligation is included in the notes to the consolidated financial statements referenced below.

For purposes of this table, these commitments are listed in the less than 1 year and 1-3-year categories.

	Payments Due by Period
Contractual Obligations	Total amounts committed		Less than 1 year		1-3 years		4-5 years		After 5 years
Long-term debt (includes interest)	$	3,922,000	1,689,000		1,480,000		335,000		418,000
Finance leases (includes interest)	13,580,000		4,610,000		8,449,000		521,000		—
Future equipment purchases	40,910,000		1,750,000		39,160,000		—		—
Equipment service contracts	10,096,000		1,847,000		4,655,000		1,734,000		1,860,000
Operating leases	1,180,000		319,000		856,000		5,000		—
Total contractual obligations	$	69,688,000	$	10,215,000	$	54,600,000	$	2,595,000	$	2,278,000

Further discussion of the long-term debt commitment is included in Note 5, finance leases in Note 6, and operating leases in Note 11 of the consolidated financial statements.

On December 20, 2018, the Company signed Second Amendments to two System Build Agreements (the “Amendments”) for the Company’s second and third Mevion PBRT units. The Company and Mevion have agreed to upgrade the second and third PBRT units for which the Company has purchase commitments. The Company is actively seeking sites for these units but, to date, has not entered into agreements with any party for either placement of a PBRT unit or the related financing. The Company projects that it will be required to commence delivery of the second and third PBRT units no later than 2023. In the event the Company is unable to enter into customer agreements within the requisite time frame or receive an extension from Mevion, the Company could forfeit its deposits, which are described below.

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As of December 31, 2019, the Company had commitments, after deposits, to purchase two MEVION S250i PBRT systems for $34,000,000 and the Company had $2,250,000 in non-refundable deposits toward the purchase of these two PBRT systems from Mevion Medical Systems, Inc. (“Mevion”). The non-refundable deposits are recorded in the Consolidated Balance Sheets as deposits and construction in progress.

As of December 31, 2019, the Company had commitments to perform five Cobalt-60 reloads and install five Leksell Gamma Knife Icon Systems (“Icon”) at existing customer sites, and purchase one LINAC system, to be placed at a new customer site. The Cobalt-60 reloads, Icon upgrades, and LINAC purchase are scheduled to occur between 2020 and 2022. Total Gamma Knife and LINAC commitments as of December 31, 2019 were $6,910,000. Two of the five Cobalt-60 reloads were completed and financed during the first quarter of 2020. It is the Company’s intent to finance the remaining commitments. There are no significant cash requirements, pending financing, for these commitments in the next 12 months. There can be no assurance that financing will be available for the Company’s current or future projects, or at terms that are acceptable to the Company.

On July 21, 2017, the Company entered into a Maintenance and Support Agreement (the “Mevion Service Agreement”) with Mevion, which provides for maintenance and support of the Company’s PBRT unit at Orlando Health. The Mevion Service Agreement began September 5, 2017 and renews annually. The agreement requires an annual prepayment of $1,562,000 which was made on September 6, 2019 for the current contractual period. This payment portion was recorded as a prepaid contract and will be amortized over the one-year service period. The Mevion Service Agreement is for a five (5) year period. On December 20, 2018, the Company signed a Second Amendment to the Mevion Service Agreement, where the Company agreed to increase the annual service payment by $250,000, effective for the second service year, and for each year thereafter. The Company paid the additional $250,000 owed for the second service year on September 6, 2019.

As of December 31, 2019, the Company had commitments to service and maintain its Gamma Knife and PBRT equipment. The service commitments are carried out via contracts with Mevion, Elekta and Mobius Imaging, LLC. In addition, in April 2019, the Company signed agreements to service the Icon upgrades which will be installed at various dates between 2020 and 2022. The Company’s commitment to purchase a LINAC system also includes a 9-year agreement to service the equipment. Total service commitments as of December 31, 2019 were $10,096,000. The Gamma Knife and certain other service contracts are paid monthly, as service is performed. The Company believes that cash flow from cash on hand and operations will be sufficient to cover these payments.

The Company estimates the following commitments for each of the equipment systems, with expected timing of payments as follows as of December 31, 2019:

	2020		Thereafter		Total
Proton Beam Units	$	—	$	34,000,000	$	34,000,000
Gamma Knife & LINAC Units	1,750,000		5,160,000		6,910,000
Service Contracts	1,847,000		8,249,000		10,096,000
Total Commitments	$	3,597,000	$	47,409,000	$	51,006,000

ITEM 7A. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

The table below presents information about certain market-sensitive financial instruments as of December 31, 2019. The fair values were determined based on quoted market prices for the same or similar instruments.

	Payments Due by Period
(amounts in thousands)	2020			2021			2022			2023			2024			There-  after			Total			Fair Value
Fixed rate long-term debt and present value of finance leases	$	5,237		$	6,409		$	1,439		$	1,073		$	808		$	400		$	15,366		$	15,371
Average interest rates	8.3		%	8.7		%	6.5		%	6.1		%	6.1		%	6.3		%	7.9		%

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We do not hold or issue derivative instruments for trading purposes and are not a party to any instruments with leverage or prepayment features.

At December 31, 2019, we had no significant long-term, market-sensitive investments.

We have no affiliation with partnerships, trusts or other entities whose purpose is to facilitate off-balance sheet financial transactions or similar arrangements, and therefore have no exposure to the financing, liquidity, market or credit risks associated with such entities.

ITEM 8. FINANCIAL STATEMENTS AND SUPPLEMENTARY DATA

See the Index to Consolidated Financial Statements and Financial Statement Schedules included at page F-1 of this report.

ITEM 9. CHANGES IN AND DISAGREEMENTS WITH ACCOUNTANTS ON ACCOUNTING AND FINANCIAL DISCLOSURE

None.

ITEM 9A. CONTROLS AND PROCEDURES

(a)Evaluation of disclosure controls and procedures.

Our Chief Executive Officer and our Chief Financial Officer, after evaluating the effectiveness of the Company’s “disclosure controls and procedures” (as defined in the Securities Exchange Act of 1934 (“Exchange Act”) Rules 13a-15(e) and 15d-15(e)) as of the end of the period covered by this annual report, have concluded that our disclosure controls and procedures are effective based on their evaluation of these controls and procedures required by paragraph (b) of Exchange Act Rules 13a-15 or 15d-15.

(b)Management’s report on internal control over financial reporting.

The management of the Company is responsible for establishing and maintaining adequate internal control over financial reporting. The Company’s internal control system was designed to provide reasonable assurance to its management and Board of Directors regarding the preparation and fair presentation of published financial statements.

All internal control systems, no matter how well designed, have inherent limitations. Therefore, even those systems determined to be effective can provide only reasonable assurance with respect to financial statement preparation and presentation.

Management assessed the effectiveness of the Company’s internal control over financial reporting as of December 31, 2019. In making this assessment, it used the criteria set forth by the Committee of Sponsoring Organizations of the Treadway Commission in Internal Control – Integrated Framework (2013). Based on this assessment management believes that, as of December 31, 2019, the Company’s internal control over financial reporting is effective based on those criteria.

(c)Changes in internal controls over financial reporting.

Our Chief Executive Officer and our Chief Financial Officer have evaluated the changes to the Company’s internal control over financial reporting that occurred during our last fiscal quarter ended December 31, 2019, as required by paragraph (d) of Exchange Act Rules 13a-15 and 15d-15, and have concluded that there were no such changes that materially affected, or are reasonably likely to materially affect, the Company’s internal control over financial reporting.

ITEM 9B. OTHER INFORMATION

None.

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PART III

ITEM 10. DIRECTORS, EXECUTIVE OFFICERS AND CORPORATE GOVERNANCE

Information regarding directors is incorporated herein by reference from the Company’s definitive Proxy Statement for the 2020 Annual Meeting of Shareholders (the “2020 Proxy Statement”). Information regarding executive officers of the Company, included herein under the caption “Executive Officers of the Company” in Part I, Item 1 above, is incorporated herein by reference.

Information concerning the identification of our standing audit committee required by this Item is incorporated by reference from the 2020 Proxy Statement.

Information concerning our audit committee financial experts required by this Item is incorporated by reference from the 2020 Proxy Statement.

Information concerning compliance with Section 16(a) of the Exchange Act required by this Item is incorporated by reference from the 2020 Proxy Statement.

We have adopted a Code of Ethics that is available on our website at www.ashs.com. The information on our website is not part of this report. You may also request a copy of this document free of charge by writing our Corporate Secretary.

ITEM 11. EXECUTIVE COMPENSATION

Information required by this Item is incorporated herein by reference from the 2020 Proxy Statement.

ITEM 12. SECURITY OWNERSHIP OF CERTAIN BENEFICIAL OWNERS AND MANAGEMENT AND RELATED STOCKHOLDER MATTERS

Information required by this Item is incorporated herein by reference from the 2020 Proxy Statement.

ITEM 13. CERTAIN RELATIONSHIPS AND RELATED TRANSACTIONS, AND DIRECTOR INDEPENDENCE

Information required by this Item is incorporated herein by reference from the 2020 Proxy Statement.

ITEM 14. PRINCIPAL ACCOUNTING FEES AND SERVICES

Information required by this Item is incorporated herein by reference from the 2020 Proxy Statement.

PART IV

ITEM 15. EXHIBITS AND FINANCIAL STATEMENT SCHEDULES

(a)Financial Statements and Schedules.

The following Financial Statements and Schedules are filed with this Report:

Report of Independent Registered Public Accounting Firm

Audited Consolidated Financial Statements

Consolidated Balance Sheets

Consolidated Statements of Operations

Consolidated Statement of Shareholders' Equity

Consolidated Statements of Cash Flows

Notes to Consolidated Financial Statements

Financial Statement Schedules- no schedules are included since the required information is not present or is not present in amounts sufficient to require submission of the schedule, or because the information required is included in the financial statements and notes thereto.

(b)Exhibits.

The following Exhibits are filed with this Report.

Exhibit Number		Incorporated by reference herein
	Description	Form	Exhibit	Date

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3.1	Articles of Incorporation of the Company.	10-Q 001-08789	3.1	5/15/2017
3.1a	Articles of Incorporation of the Company, as amended.	10-K 001-08789	3.1	3/27/2017
3.2	By-laws of the Company, as amended and restated dated as of June 21, 2016.	10-Q 001-08789	3.2	5/15/2017
4.1	Rights Agreement dated as of March 22, 1999 between American Shared Hospital Services and American Stock Transfer & Trust Company, as Rights Agent.	8-K 001-08789	4	4/1/1999
4.1a	First Amendment to Rights Agreement dated as of March 12, 2009 between American Shared Hospital Services and American Stock Transfer & Trust Company, as Rights Agent.	8-K 001-08789	3.1	3/13/2009
10.1	Operating Agreement for GK Financing, LLC dated as of October 17, 1995 between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	S-1 033-63721	10.12	10/26/1995
10.1a	Amendment Agreement dated as of October 26, 1995 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	S-1/A 033-63721	10.13	3/29/1996
10.1b	Second Amendment Agreement dated as of December 20, 1995 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	S-1/A 033-63721	10.13	3/29/1996
10.1c	Third Amendment Agreement dated as of October 16, 1996 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	10-K 001-08789	10.13b	3/31/1998
10.1d	Fourth Amendment Agreement dated as of March 31, 1998 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	10-K 001-08789	10.8	3/31/1999
10.1e	Fifth Amendment Agreement dated as of March 31, 1998 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	10-K 001-08789	10.9	3/31/1999
10.1f	Sixth Amendment Agreement dated as of June 5, 1998 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	10-K 001-08789	10.10	3/31/1999
10.1g	Seventh Amendment Agreement dated as of October 18, 2006 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	10-K 001-08789	10.52	4/2/2007
10.1h	Eighth Amendment Agreement dated as of April 28, 2010 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	10-K 001-08789	10.1h	3/30/2016
10.1i	Ninth Amendment Agreement dated as of May 16, 2011 to the GK Financing, LLC Operating Agreement between American Shared Radiosurgery Services, Inc. and GKV Investments, Inc.	10-K 001-08789	10.1i	3/30/2016
10.2	Lease Agreement for a Gamma Knife Unit dated as of October 29, 1996 between GK Financing, LLC and Methodist Healthcare Systems of San Antonio, Ltd., dba Southwest Texas Methodist Hospital.	10-K 001-08789	10.2	3/30/2016

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10.2a		Addendum to Lease Agreement for a Gamma Knife Unit dated as of October 31, 1996 between GK Financing, LLC and Methodist Healthcare System of San Antonio, Ltd., dba Southwest Texas Methodist Hospital.	10-K 001-08789	10.2a	3/30/2016
10.2b		Addendum Two to Lease Agreement for a Gamma Knife Unit dated as of October 16, 1997 between Methodist Healthcare System of San Antonio, Ltd., d.b.a. Southwest Texas Methodist Hospital and GK Financing, LLC.	10-K 001-08789	10.2b	3/30/2016
10.2c		Amendment to Lease Agreement for a Gamma Knife Unit dated as of December 13, 2003 between Methodist Healthcare Systems of San Antonio, Ltd., d/b/a Southwest Texas Methodist Hospital and GK Financing, LLC.	10-K 001-08789	10.2c	3/30/2016
10.2d	#	Second Amendment to Lease Agreement for a Gamma Knife Unit (Perfexion Upgrade) dated as of December 23, 2009 between GK Financing, LLC and Methodist Healthcare Systems of San Antonio, Ltd., d/b/a Southwest Texas Methodist Hospital.	10-Q 001-08789	10.18b	11/15/2010
10.3		Lease Agreement for a Gamma Knife Unit dated as of April 10, 1997 between GK Financing, LLC and Yale-New Haven Ambulatory Services Corporation.	10-K 001-08789	10.3	3/30/2016
10.3a		Addendum to Lease Agreement for a Gamma Knife Unit dated as of October 25, 2005 between Yale-New Haven Ambulatory Services Corporation and GK Financing, LLC.	10-K 001-08789	10.3a	3/30/2016
10.3b		Assignment, Assumption, and Amendment to Lease Agreement for a Gamma Knife Unit dated as of June 30, 2006 between Yale-New Haven Ambulatory Services Corporation, Yale-New Haven Hospital, Inc. a/k/a Yale-New Haven Hospital, and GK Financing, LLC.	10-K 001-08789	10.3b	3/30/2016
10.3c		Second Amendment to Lease Agreement for a Gamma Knife Unit (Perfexion Upgrade) dated as of May 15, 2009 between Yale-New Haven Hospital, Inc. a/k/a Yale-New Haven Hospital and GK Financing, LLC.	10-Q 001-08789	10.2	11/13/2017
10.3d		Third Amendment to Lease Agreement for a Gamma Knife Unit dated as of July 1, 2014 between Yale-New Haven Hospital, Inc. a/k/a Yale-New Haven Hospital and GK Financing, LLC.	10-Q 001-08789	10.19c	11/14/2014
10.4		Purchased Services Agreement (for a Gamma Knife Unit) dated as of November 19, 2008 between GK Financing, LLC and Kettering Medical Center.	10-Q 001-08789	10.1	8/11/2016
10.4a		First Amendment to Purchased Services Agreement (for a Gamma Knife Unit) dated as of June 11, 2009 between GK Financing, LLC and Kettering Medical Center.	10-Q 001-08789	10.1a	8/11/2016
10.4b	#	Second Amendment to Purchased Services Agreement (for a Gamma Knife Unit) dated as of February 27, 2014 between GK Financing, LLC and Kettering Medical Center.	10-K 001-08789	10.21c	4/1/2015
10.4c	#	Third Amendment to Purchased Services Agreement (for a Gamma Knife Unit) dated as of March 28, 2019 between GK Financing, LLC and Kettering Medical Center	10-Q 001-08789	10.1	11/7/2019
10.5	#	Lease Agreement for a Gamma Knife Unit (Perfexion Upgrade) dated as of July 30, 2013 between Tufts Medical Center, Inc. (FKA New England Medical Center Hospitals, Inc.) and GK Financing, LLC.	10-K 001-08789	10.22b	3/31/2014
10.6	#	Amended and Restated Equipment Lease Agreement (for a Gamma Knife Unit) dated as of December 12, 2014, between GK Financing, LLC and the Board of Trustees of the University of Arkansas on behalf of the University of Arkansas for Medical Sciences.	10-Q 001-08789	10.4	8/19/2015

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10.7	Lease Agreement for a Gamma Knife Unit dated as of May 28, 1999 between GK Financing, LLC and Froedtert Memorial Lutheran Hospital.	10-K 001-08789	10.7	3/30/2016
10.7a	Addendum dated as of June 24, 1999 to Lease Agreement for a Gamma Knife Unit between GK Financing, LLC and Froedtert Memorial Lutheran Hospital.	10-K 001-08789	10.27	3/29/2000
10.7b	Amendment dated as of July 12, 1999 to Lease Agreement for a Gamma Knife Unit between GK Financing, LLC and Froedtert Memorial Lutheran Hospital.	10-K 001-08789	10.28	3/29/2000
10.7c	Amendment dated as of August 24, 1999 to Lease Agreement for a Gamma Knife Unit between GK Financing, LLC and Froedtert Memorial Lutheran Hospital.	10-K 001-08789	10.29	3/29/2000
10.7d	First Amendment to Lease Agreement for a Gamma Knife Unit dated as of December 29, 2008 between GK Financing, LLC and Froedtert Memorial Lutheran Hospital.	10-K 001-08789	10.7d	3/30/2016
10.7e	Second Amendment to Lease Agreement for a Gamma Knife Unit dated as of May 16, 2013 between GK Financing, LLC and Froedtert Memorial Lutheran Hospital, Inc.	10-K 001-08789	10.7e	3/30/2016
10.7f	Third Amendment to Lease Agreement for a Gamma Knife Unit dated as of December 15, 2014 between GK Financing, LLC and Froedtert Memorial Lutheran Hospital, Inc.	10-K 001-08789	10.26c	4/1/2015
10.8	Lease Agreement for a Gamma Knife Unit dated as of December 11, 1996 between GK Financing, LLC and The Community Hospital Group, Inc., dba JFK Medical Center.	10-K 001-08789	10.8	3/30/2016
10.8a	Addendum One to Lease Agreement for a Gamma Knife Unit dated on January 9, 2008 and effective as of July 1, 2002  between The Community Hospital Group, Inc., dba JFK Medical Center and GK Financing, LLC.	10-K 001-08789	10.8a	3/30/2016
10.8b	Addendum Two to Lease Agreement for a Gamma Knife Unit dated as of January 9, 2008 between The Community Hospital Group, Inc., dba JFK Medical Center and GK Financing, LLC.	10-K 001-08789	10.8b	3/30/2016
10.8c	Addendum Three to Lease Agreement for a Gamma Knife Unit dated as of April 25, 2015, between The Community Hospital Group, Inc., dba JFK Medical Center and GK Financing, LLC.	10-Q 001-08789	10.5	8/19/2015
10.8d	Addendum Four to Lease Agreement for a Gamma Knife Unit dated as of April 25, 2016 between The Community Hospital Group, Inc., dba JFK Medical Center and GK Financing, LLC.	10-Q 001-08789	10.1	5/15/2017
10.8e	Addendum Five to Lease Agreement for a Gamma Knife Unit dated as of April 25, 2017 between The Community Hospital Group, Inc., dba JFK Medical Center and GK Financing, LLC	10-Q 001-08789	10.1	8/9/2018
10.9	Lease Agreement for a Gamma Knife Unit dated as of June 3, 1999 between GK Financing, LLC and Sunrise Hospital and Medical Center, LLC d/b/a Sunrise Hospital and Medical Center.	10-K 001-08789	10.9	3/30/2016
10.9a	Addendum to Lease Agreement for a Gamma Knife Unit dated as of December 1, 1998 between Sunrise Hospital and Medical Center, LLC d/b/a Sunrise Hospital and Medical Center and GK Financing, LLC.	10-K 001-08789	10.9a	3/30/2016
10.9b	Addendum Two to Lease Agreement for a Gamma Knife Unit dated as of January 17, 2007 between GK Financing, LLC and Sunrise Hospital Medical Center, LLC d/b/a Sunrise Hospital Medical Center.	10-K 001-08789	10.9b	3/30/2016

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10.9c		Addendum Three to Lease Agreement for a Gamma Knife Unit dated as of June 20, 2007 between GK Financing, LLC and Sunrise Hospital and Medical Center, LLC d/b/a Sunrise Hospital and Medical Center.	10-K 001-08789	10.9c	3/30/2016
10.9d		Addendum Four to Lease Agreement for a Gamma Knife Unit dated as of February 8, 2010 between GK Financing, LLC and Sunrise Hospital and Medical Center, LLC d/b/a Sunrise Hospital and Medical Center.	10-K 001-08789	10.9d	3/30/2016
10.9e	#	Addendum Five to Lease Agreement for a Gamma Knife Unit dated as of May 18, 2012 between GK Financing, LLC and Sunrise Hospital and Medical Center, LLC d/b/a Sunrise Hospital and Medical Center.	10-Q 001-08789	10.66	11/14/2013
10.10		Lease Agreement for a Gamma Knife Unit dated as of November 1, 1999 between GK Financing, LLC and Jackson HMA, Inc. d/b/a Central Mississippi Medical Center.	10-K 001-08789	10.10	3/30/2016
10.10a		Addendum to Lease Agreement for a Gamma Knife Unit dated as of November 1, 1999 between Jackson HMA, Inc. dba Central Mississippi Medical Center and GK Financing, LLC.	10-Q 001-08789	10.34	8/10/2001
10.10b	#	Addendum Two to Lease Agreement for a Gamma Knife Unit dated as of November 6, 2006 between GK Financing, LLC and Jackson HMA, Inc. d/b/a Central Mississippi Medical Center.	10-K 001-08789	10.51	4/2/2007
10.10c		Amendment Three to Lease Agreement for a Gamma Knife Unit dated as of February 23, 2010 between GK Financing, LLC and Jackson HMA, LLC d/b/a Central Mississippi Medical Center.	10-K 001-08789	10.10c	3/30/2016
10.11		Lease Agreement for a Gamma Knife Unit dated as of February 18, 2000 between GK Financing, LLC and OSF HealthCare System.	10-K 001-08789	10.11	3/30/2016
10.11a		Addendum to Lease Agreement for a Gamma Knife Unit dated as of April 13, 2007, between GK Financing, LLC and OSF Healthcare System.	10-Q 001-08789	10.2	8/11/2016
10.11b		Addendum Two to Lease Agreement for a Gamma Knife Unit dated as of October 31, 2012 between GK Financing, LLC and OSF Healthcare System.	10-Q 001-08789	10.2a	8/11/2016
10.11c	#	Addendum Three to Lease Agreement for a Gamma Knife Unit dates as of June 7, 2016 between GK Financing, LLC and OSF Healthcare System.	10-Q 001-08789	10.2b	8/11/2016
10.12		Equipment Lease Agreement (for a Gamma Knife Unit) dated as of September 13, 2001 between GK Financing, LLC and Mercy Medical Center.	10-K 001-08789	10.12	3/30/2016
10.12a		Amendment Number One to Equipment Lease Agreement (for a Gamma Knife Unit) dated as of September 13, 2001 between GK Financing, LLC and Mercy Medical Center.	10-Q 001-08789	10.41	11/14/2002
10.13		Equipment Lease Agreement (for a Gamma Knife Unit) dated as of February 13, 2003 between GK Financing, LLC and AHS Albuquerque Regional Medical Center, LLC.	10-K 001-08789	10.13	3/30/2016
10.13a	#	Amendment to Equipment Lease Agreement (Perfexion Upgrade) dated as of April 8, 2011 between GK Financing, LLC and Lovelace Health System, Inc., d/b/a Lovelace Medical Center.	10-Q 001-08789	10.62	8/15/2011
10.13b		Assignment and Assumption of Purchase and License Agreement dated as of February 2, 2011 between Elekta, Inc., GK Financing, LLC and Albuquerque GK Equipment, LLC.	10-Q 001-08789	10.62a	8/15/2011

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10.14		Equipment Lease Agreement (for a Gamma Knife Unit) dated as of March 21, 2003 between GK Financing, LLC and Northern Westchester Hospital Center.	10-K 001-08789	10.14	3/30/2016
10.14a	#	Amendment to Equipment Lease Agreement (Perfexion Upgrade) dated as of June 8, 2012 between GK Financing, LLC and Northern Westchester Hospital Center.	10-Q 001-08789	10.46a	8/14/2013
10.15		Equipment Lease Agreement (for a Gamma Knife Unit) dated as of May 28, 2004 between GK Financing, LLC and Mercy Health Center.	10-K 001-08789	10.15	3/30/2016
10.15a		Addendum One to Equipment Lease Agreement (for a Gamma Knife Unit) dated as of December 23, 2011 between Mercy Health Center and GK Financing, LLC.	10-K 001-08789	10.15a	3/30/2016
10.15b		Addendum Two to Equipment Lease Agreement (for a Gamma Knife Unit) dated as of July 31, 2015, between Mercy Hospital Oklahoma City, Inc. and GK Financing, LLC.	10-Q 001-08789	10.1	11/12/2015
10.15c		Addendum Three to Equipment Lease Agreement (for a Gamma Knife Unit) dated as of September 3, 2016, between Mercy Hospital Oklahoma City, Inc. and GK Financing, LLC.	10-K 001-08789	10.15c	3/27/2017
10.15d		Addendum Four to Equipment Lease Agreement (for a Gamma Knife Unite) dated as of May 1, 2017 between Mercy Hospital Oklahoma City, Inc. and GK Financing, LLC.	10-Q 001-08789	10.1	8/10/2017
10.16	#	Purchased Services Agreement (for a Gamma Knife Unit) dated as of March 5, 2008 between GK Financing, LLC and USC University Hospital, Inc.	10-Q 001-08789	10.57	5/14/2008
10.16a	#	First Amendment to Purchased Services Agreement (for a Gamma Knife Unit) dated as of April 1, 2009 between GK Financing, LLC and University of Southern California.	10-Q 001-08789	10.57a	8/14/2009
10.16b	#	Second Amendment to Purchased Services Agreement (for a Gamma Knife Unit) dated as of October 1, 2013 between GK Financing, LLC and University of Southern California.	10-Q 001-08789	10.57b	8/14/2014
10.17	#	Equipment Lease Agreement (for a Gamma Knife Unit) dated as of May 1, 2010 between GK Financing, LLC and Fort Sanders Regional Medical Center.	10-Q 001-08789	10.60	5/16/2011
10.17a		Amendment to Lease Agreement (for a Gamma Knife Unit) dated as of January 3, 2012 between GK Financing, LLC and Fort Sanders Regional Medical Center.	10-K 001-08789	10.17a	3/30/2016
10.17b		Second Amendment to Equipment Lease Agreement (for a Gamma Knife Unit) dated as of June 1, 2017 between GK Financing, LLC and Fort Sanders Regional Medical Center	10-Q 001-08789	10.2	8/10/2017
10.18	#	Leksell Gamma Knife Perfexion Purchased Services Agreement dated as of August 5, 2011 between Jacksonville GK Equipment, LLC and St. Vincent’s Medical Center, Inc.	10-K 001-08789	10.63	3/30/2012
10.18a	#	First Amendment to the Leksell Gamma Knife Perfexion Purchased Services Agreement dated as of October 10, 2011 between Jacksonville GK Equipment, LLC and St. Vincent’s Medical Center, Inc.	10-K 001-08789	10.63a	3/30/2012
10.19	#	Leksell Gamma Knife Perfexion Purchased Services Agreement dated as of January 19, 2012 between GK Financing, LLC and Sacred Heart Health System, Inc.	10-Q 001-08789	10.65	5/15/2013

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10.20	#	Leksell Gamma Knife Perfexion Purchased Services Agreement dated as of March 27, 2014 between GK Financing, LLC and PeaceHealth doing business through its operating division PeaceHealth Sacred Heart Medical Center at RiverBend.	10-K 001-08789	10.67	4/1/2015
10.21	#	Equipment Lease Agreement (for a Gamma Knife Unit) dated as of February 21, 2017 between Bryan Medical Center, and GK Financing, LLC.	10-Q 001-08789	10.1	11/13/2017
10.21a	#	First Amendment to Equipment Lease Agreement (for a Gamma Knife unit) dated as of February 14, 2018 between Bryan Medical Center and GK Financing, LLC	10-Q 001-08789	10.1	5/10/2018
10.22	#	Proton Beam Radiation Therapy Lease Agreement dated as of October 18, 2006 between American Shared Hospital Services and Orlando Regional Healthcare System, Inc.	10-Q 001-08789	10.3	8/11/2016
10.22a	#	Amendment One to Proton Beam Radiation Therapy Lease Agreement dated as of August 12, 2012 between American Shared Hospital Services and Orlando Health, Inc., formerly known as Orlando Regional Healthcare System, Inc.	10-Q 001-08789	10.3a	8/11/2016
10.23	#	Equipment Lease Agreement (for a Gamma Knife Unit) dated as of May 8, 2018 between The Methodist Hospitals, Inc. and GK Financing, LLC	10-Q 001-08789	10.1	5/13/2019
10.24	•	American Shared Hospital Services Incentive Compensation Plan as Amended and Restated effective June 21, 2019	10-Q 001-08789	10.1	8/13/2019
10.25	•	Form of Indemnification Agreement between American Shared Hospital Services and members of its Board of Directors.	10-K 001-08789	10.26	3/30/2016
10.26	•	Form of American Shared Hospital Services Incentive Compensation Plan Performance Share Award Agreement.	10-K 001-08789	10.25	3/27/2017
21.1	*	Subsidiaries of American Shared Hospital Services
23.1	*	Consent of Independent Registered Public Accounting Firm
31.1	*	Certification of Chief Executive Officer pursuant to Rule 13a-14a/15d-14a, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
31.2	*	Certification of Chief Financial Officer pursuant to Rule 13a-14a/15d-14a, as adopted pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
32.1	ǂ	Certifications of Chief Executive Officer and Chief Financial Officer pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
101.INS	*	XBRL Instance Document
101.SCH	*	XBRL Taxonomy Extension Schema Document
101.CAL	*	XBRL Taxonomy Calculation Linkbase Document
101.DEF	*	XBRL Taxonomy Definition Linkbase Document
101.LAB	*	XBRL Taxonomy Label Linkbase Document
101.PRE	*	XBRL Taxonomy Extension Presentation Linkbase Document
104	*	Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline Instance XBRL Document
	*	Filed herewith.
	ǂ	Furnished herewith.

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#	Confidential material appearing in this document has been omitted and filed separately with the Securities and Exchange Commission in accordance with Rule 24b-2, promulgated under the Securities and Exchange Act of 1934, as amended.  Omitted information has been replaced with asterisks.
•	Indicates management compensatory plan, contract, or arrangement.

ITEM 16. FORM 10-K SUMMARY

The Optional summary in Item 16 has not been included in this Form 10-K.

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SIGNATURES

Pursuant to the requirements of Section 13 or 15(d) of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	AMERICAN SHARED HOSPITAL SERVICES
	(Registrant)
April 3, 2020	By:	/s/ Ernest A. Bates, M.D.
		Ernest A. Bates, M.D.
		Chairman of the Board and Chief Executive Officer

Pursuant to the requirements of the Securities Exchange Act of 1934, this report has been signed below by the following persons on behalf of the registrant in the capacities and on the dates indicated.

Signature	Title	Date
/s/ Ernest A. Bates	Chairman of the Board and Chief Executive Officer (Principal Executive Officer)	April 3, 2020
Ernest A. Bates, M.D.
/s/ Daniel G. Kelly Jr.	Director	April 3, 2020
Daniel G. Kelly JR.
/s/ David A. Larson	Director	April 3, 2020
David A. Larson, M.D.
/s/ Sandra A. J. Lawrence	Director	April 3, 2020
Sandra A. J. Lawrence
/s/ S. Mert Ozyurek	Director	April 3, 2020
S. Mert Ozyurek
/s/ Raymond C. Stachowiak	Director	April 3, 2020
Raymond C. Stachowiak
/s/ Craig K. Tagawa	Chief Operating Officer and Chief Financial Officer (Principal Accounting Officer)	April 3, 2020
Craig K. Tagawa

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AMERICAN SHARED HOSPITAL SERVICES

REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

and

CONSOLIDATED FINANCIAL STATEMENTS

AS OF December 31, 2019 and 2018,

and

FOR THE THREE YEARS ENDED DECEMBER 31, 2019

CONTENTS
	PAGE
REPORT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM	F- 3
CONSOLIDATED FINANCIAL STATEMENTS
Balance sheets	F- 4
Statements of operations	F- 5
Statement of shareholders’ equity	F- 6
Statements of cash flows	F- 7
Notes to financial statements	F- 9

38

Table of Contents

Report of Independent Registered Public Accounting Firm

To the Stockholders and the Board of Directors of

American Shared Hospital Services, Inc.

Opinion on the Financial Statements

We have audited the accompanying consolidated balance sheets of American Shared Hospital Services, Inc. (the “Company”) as of December 31, 2019 and 2018, and the related consolidated statements of operations, stockholders’ equity and cash flows for the three years ended December 31, 2019. In our opinion, the consolidated financial statements present fairly, in all material respects, the consolidated financial position of the Company as of December 31, 2019 and 2018, and the consolidated results of its operations and its cash flows for the three years ended December 31, 2019, in conformity with accounting principles generally accepted in the United States of America.

Basis for Opinion

These consolidated financial statements are the responsibility of the Company’s management. Our responsibility is to express an opinion on the Company’s consolidated financial statements based on our audits. We are a public accounting firm registered with the Public Company Accounting Oversight Board (United States) (“PCAOB”) and are required to be independent with respect to the Company in accordance with the U.S. federal securities laws and the applicable rules and regulations of the Securities and Exchange Commission and the PCAOB.

We conducted our audits in accordance with the standards of the PCAOB. Those standards require that we plan and perform the audits to obtain reasonable assurance about whether the consolidated financial statements are free of material misstatement, whether due to error or fraud. The Company is not required to have, nor were we engaged to perform, an audit of its internal control over financial reporting. As part of our audit we are required to obtain an understanding of internal control over financial reporting but not for the purpose of expressing an opinion on the effectiveness of the Company’s internal control over financial reporting. Accordingly, we express no such opinion.

Our audits included performing procedures to assess the risks of material misstatement of the consolidated financial statements, whether due to error or fraud, and performing procedures to respond to those risks. Such procedures included examining, on a test basis, evidence regarding the amounts and disclosures in the consolidated financial statements. Our audits also included evaluating the accounting principles used and significant estimates made by management, as well as evaluating the overall presentation of the consolidated financial statements. We believe that our audits provide a reasonable basis for our opinion.

Emphasis of Matter

As disclosed in Note 2 to the consolidated financial statements, in 2019 the Company changed its method of accounting for leases due to the adoption of Accounting Standards Codification Topic No. 842 Leases. The adoption has been applied on a prospective basis. Our opinion is not modified with respect to this matter.

/s/ Moss Adams LLP

San Francisco, CA

April 3, 2020

We have served as the Company’s auditor since 2000.

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AMERICAN SHARED HOSPITAL SERVICES CONSOLIDATED BALANCE SHEETS
	DECEMBER 31,
	2019		2018
ASSETS
CURRENT ASSETS
Cash and cash equivalents	$	1,429,000	$	1,442,000
Restricted cash	350,000		350,000
Accounts receivable, net of allowance for doubtful accounts of $100,000 at December 31, 2019 and December 31, 2018	6,894,000		5,502,000
Other receivables insurance proceeds	—		1,137,000
Other receivables	169,000		239,000
Prepaid expenses and other current assets	1,900,000		1,276,000
Total current assets	10,742,000		9,946,000
PROPERTY AND EQUIPMENT, net	41,480,000		46,694,000
RIGHT OF USE ASSETS	1,106,000		—
OTHER ASSETS	455,000		862,000
TOTAL ASSETS	$	53,783,000	$	57,502,000
LIABILITIES AND SHAREHOLDERS’ EQUITY
CURRENT LIABILITIES
Accounts payable	$	557,000	$	435,000
Employee compensation and benefits	234,000		207,000
Other accrued liabilities	1,304,000		1,329,000
Other accrued liabilities insurance payable	—		977,000
Income taxes payable	130,000		—
Short term financing	475,000		—
Current portion of lease liabilities	279,000		—
Current portion of long-term debt	1,526,000		2,119,000
Current portion of finance leases	3,709,000		4,407,000
Total current liabilities	8,214,000		9,474,000
LONG-TERM LEASE LIABILITIES, less current portion	827,000		—
LONG-TERM DEBT, less current portion	1,954,000		3,332,000
LONG-TERM FINANCE LEASES, less current portion	8,177,000		10,308,000
DEFERRED REVENUE, less current portion	286,000		382,000
DEFERRED INCOME TAXES	2,514,000		2,958,000
COMMITMENTS AND CONTINGENCIES (See Note 12)
SHAREHOLDERS’ EQUITY
Common stock, no par value
Common stock, no par value (10,000,000 authorized;  Issued and outstanding shares – 5,817,000 at December 31, 2019 and 5,714,000 at December 31, 2018	10,753,000		10,711,000
Additional paid-in capital	6,725,000		6,495,000
Retained earnings	8,555,000		7,896,000
Total equity- American Shared Hospital Services	26,033,000		25,102,000
Non-controlling interests in subsidiaries	5,778,000		5,946,000
Total shareholders’ equity	31,811,000		31,048,000
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$	53,783,000	$	57,502,000

See accompanying notes

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AMERICAN SHARED HOSPITAL SERVICES CONSOLIDATED STATEMENTS OF OPERATIONS
	YEARS ENDED DECEMBER 31,
	2019		2018		2017
Revenues	$	20,605,000	$	19,714,000	$	19,556,000
	20,605,000		19,714,000		19,556,000
Costs of revenue:
Maintenance and supplies	2,618,000		2,399,000		1,359,000
Depreciation and amortization	7,341,000		6,745,000		6,601,000
Other direct operating costs	3,726,000		3,084,000		2,933,000
	13,685,000		12,228,000		10,893,000
Gross margin	6,920,000		7,486,000		8,663,000
Selling and administrative expense	4,060,000		3,994,000		4,323,000
Interest expense	1,318,000		1,631,000		1,927,000
Operating income	1,542,000		1,861,000		2,413,000
Proceeds received from investment in equity securities	—		22,000		—
(Loss) on write down of investment in equity securities	—		—		(579,000)
Interest and other income	16,000		198,000		3,000
Income before income taxes	1,558,000		2,081,000		1,837,000
Income tax expense (benefit)	128,000		451,000		(1,103,000)
Net income	1,430,000		1,630,000		2,940,000
Less: net income attributable to non-controlling interests	(771,000)		(607,000)		(1,017,000)
Net income attributable to American Shared Hospital Services	$	659,000	$	1,023,000	$	1,923,000
Net income per share attributable to American Shared Hospital Services:
Income per common share- basic	$	0.11	$	0.18	$	0.33
Income per common share- diluted	$	0.11	$	0.17	$	0.33

See accompanying notes

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AMERICAN SHARED HOSPITAL SERVICES CONSOLIDATED STATEMENT OF SHAREHOLDERS’ EQUITY
	THREE YEARS ENDED DECEMBER 31, 2019
	Common Shares	Common Stock		Additional Paid-in Capital		Retained Earnings		Sub-Total ASHS		Non-controlling Interests in Subsidiaries		Total
Balances at January 1, 2017	5,468,000	$	10,596,000	$	5,949,000	$	4,950,000	$	21,495,000	$	5,678,000	$	27,173,000
Stock-based compensation expense	4,000	—		323,000		—		323,000		—		323,000
Restricted stock awards	162,000	—		—		—		—		—		—
Warrants and options exercised	76,000	115,000		—		—		115,000		—		115,000
Cash distributions to non-controlling interests	—	—		—		—		—		(666,000)		(666,000)
Net income	—	—		—		1,923,000		1,923,000		1,017,000		2,940,000
Balances at December 31, 2017	5,710,000	$	10,711,000	$	6,272,000	$	6,873,000	$	23,856,000	$	6,029,000	$	29,885,000
Stock-based compensation expense	4,000	—		223,000		—		223,000		—		223,000
Cash distributions to non-controlling interests	—	—		—		—		—		(690,000)		(690,000)
Net income	—	—		—		1,023,000		1,023,000		607,000		1,630,000
Balances at December 31, 2018	5,714,000	$10,711,000		$6,495,000		$7,896,000		$25,102,000		$5,946,000		$31,048,000
Stock-based compensation expense	4,000	—		230,000		—		230,000		—		230,000
Options exercised	16,000	42,000		—		—		42,000		—		42,000
Issuance of restricted stock awards	83,000	—		—		—		—		—		—
Cash distributions to non-controlling interests	—	—		—		—		—		(939,000)		(939,000)
Net income	—	—		—		659,000		659,000		771,000		1,430,000
Balances at December 31, 2019	5,817,000	$	10,753,000	$	6,725,000	$	8,555,000	$	26,033,000	$	5,778,000	$	31,811,000

See accompanying notes

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AMERICAN SHARED HOSPITAL SERVICES CONSOLIDATED STATEMENTS OF CASH FLOWS
	YEARS ENDED DECEMBER 31,
	2019		2018		2017
OPERATING ACTIVITIES
Net income	$	1,430,000	$	1,630,000	$	2,940,000
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	7,411,000		6,818,000		6,677,000
Loss on disposal of assets	—		—		15,000
Non cash lease expense	256,000		—		—
Loss on write down investment in equity securities	—		—		579,000
Amortization of accrued interest on lease financing	—		—		80,000
Deferred income taxes	(444,000)		48,000		(1,266,000)
Accrued interest on lease financing	29,000		39,000		33,000
Stock-based compensation expense	230,000		223,000		323,000
Interest expense associated with lease liabilities	76,000		—		—
Changes in operating assets and liabilities:
Receivables	(1,187,000)		(420,000)		(860,000)
Prepaid expenses and other assets	260,000		(231,000)		(793,000)
Accounts payable, accrued liabilities and deferred revenue	28,000		115,000		125,000
Lease liability	(332,000)		—		—
Income taxes payable	130,000		—		—
Net insurance proceeds receivable	160,000		(160,000)		—
Net cash from operating activities	8,047,000		8,062,000		7,853,000
INVESTING ACTIVITIES
Payment for purchase of property and equipment	(990,000)		(1,577,000)		(803,000)
Proceeds from insurance	—		51,000		—
Proceeds from sale of equipment	—		—		150,000
Net cash (used in) investing activities	(990,000)		(1,526,000)		(653,000)
FINANCING ACTIVITIES
Principal payments on long-term debt	(1,980,000)		(2,467,000)		(2,314,000)
Principal payments on finance leases	(4,142,000)		(4,089,000)		(4,954,000)
Distributions to non-controlling interests	(939,000)		(690,000)		(666,000)
Proceeds from warrants and options exercised	42,000		—		115,000
Principal payments on short-term financing	(51,000)		—		—
Net cash (used in) financing activities	(7,070,000)		(7,246,000)		(7,819,000)
Net change in cash and cash equivalents	(13,000)		(710,000)		(619,000)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of year	1,792,000		2,502,000		3,121,000
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of year	$	1,779,000	$	1,792,000	$	2,502,000

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SUPPLEMENTAL CASH FLOW DISCLOSURE
Cash paid for interest	$	1,318,000	$	1,612,000	$	1,574,000
Cash paid for income taxes	$	397,000	$	459,000	$	126,000
SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Acquisition of equipment with lease financing	$	1,293,000	$	1,679,000	$	2,153,000
Acquisition of equipment with long-term debt financing	$	—	$	1,853,000	$	992,000
Acquisition of insurance with short-term financing	$	526,000	$	—	$	—
Interest capitalized to property and equipment	$	110,000	$	115,000	$	138,000
Insurance proceeds receivable and due	$	—	$	977,000	$	—
Right of use assets and lease liabilities	$	1,362,000	$	—	$	—

See accompanying notes

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 1 – BUSINESS AND BASIS OF PRESENTATION

Business – These consolidated financial statements include the accounts of American Shared Hospital Services (the “Company”) and its subsidiaries as follows: the Company wholly-owns the subsidiaries American Shared Radiosurgery Services (“ASRS”) , PBRT Orlando, LLC (“Orlando”), OR21, Inc., and MedLeader.com, Inc. (“MedLeader”). The Company is also the majority owner of Long Beach Equipment, LLC (“LBE”). ASRS is the majority-owner of GK Financing, LLC (“GKF”) which wholly-owns the subsidiary Instituto de Gamma Knife del Pacifico S.A.C. (“GKPeru”). GKF is also the majority-owner of the subsidiaries Albuquerque GK Equipment, LLC (“AGKE”), and Jacksonville GK Equipment, LLC (“JGKE”).

The Company (through ASRS) and Elekta AG (“Elekta”), the manufacturer of the Gamma Knife (through its wholly-owned United States subsidiary, GKV Investments, Inc.), entered into an operating agreement and formed GKF. During 2019 GKF provided Gamma Knife units to fifteen medical centers in the United States in the states of Arkansas, California, Florida, Illinois, Indiana, Massachusetts, Mississippi, Nebraska, New Mexico, New York, Ohio, Oregon, Tennessee, and Texas. GKF also owns and operates a single-unit Gamma Knife facility in Lima, Peru.

The Company through its wholly-owned subsidiary, Orlando, provided proton beam radiation therapy (“PBRT”) and related equipment to a customer in the United States. The Company also directly provides radiation therapy and related equipment, including Intensity Modulated Radiation Therapy (“IMRT”), Image Guided Radiation Therapy (“IGRT”) and a CT Simulator to the radiation therapy department at an existing Gamma Knife site in Massachusetts.

The Company formed the subsidiaries GKPeru and GK Financing U.K. Limited (“GKUK”) for the purposes of expanding its business internationally; Orlando and LBE to provide proton beam therapy equipment and services in Orlando, Florida and Long Beach, California; and AGKE and JGKE to provide Gamma Knife equipment and services in Albuquerque, New Mexico and Jacksonville, Florida, respectively. AGKE began operations in the second quarter of 2011 and JGKE began operations in the fourth quarter of 2011. Orlando treated its first patient in April 2016. GKPeru treated its first patient in July 2017. LBE is not expected to generate revenue within the next two years. GKUK was dissolved in November 2018.

The Company continues to develop its design and business model for The Operating Room for the 21st Century^SM through its 50% owned OR21, LLC (“OR21”). The remaining 50% of OR21 is owned by an architectural design company. OR21 is not expected to generate significant revenue within the next two years.

MedLeader was formed to provide continuing medical education online and through videos for doctors, nurses, and other healthcare workers. This subsidiary is not operational at this time.

All significant intercompany accounts and transactions have been eliminated in consolidation.

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 2 – ACCOUNTING POLICIES

Use of estimates in the preparation of financial statements – In preparing the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America, management makes estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the consolidated financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Significant accounting estimates reflected in the Company’s consolidated financial statements include the estimated useful lives of fixed assets and its salvage values, revenues and costs of sales for turn-key and revenue sharing arrangements.  Actual results could differ from those estimates.

Advertising costs – The Company expenses advertising costs as incurred. Advertising costs were $144,000, $113,000, and $140,000 during the years ended December 31, 2019, 2018 and 2017, respectively. Advertising costs are recorded in other direct operating costs and sales and administrative costs in the consolidated statements of operations.

Cash and cash equivalents – The Company considers all liquid investments with original maturities of three months or less at the date of purchase to be cash equivalents. Restricted cash is not considered a cash equivalent for purposes of the consolidated statements of cash flows.

Restricted cash – Restricted cash represents the minimum cash that must be maintained in GKF to fund operations, per the subsidiary’s operating agreement, and the minimum cash that must be maintained in Orlando per the subsidiary’s financing agreement.

Business and credit risk – The Company maintains its cash balances, which exceed federally insured limits, in financial institutions. The Company believes it is not exposed to any significant credit risk on cash, cash equivalents. The Company monitors the financial condition of the financial institutions it uses on a regular basis.

All of the Company’s revenue was provided by seventeen, eighteen, and twenty customers in 2019, 2018, and, 2017, respectively. One customer accounted for approximately 30%, 26%, and 21% of the Company’s total revenue in 2019, 2018, and, 2017, respectively. At December 31, 2019 and 2018, three customers each individually accounted for more than 10% of total accounts receivable, respectively. The Company performs credit evaluations of its customers and generally does not require collateral. The Company has not experienced significant losses related to receivables from individual customers or groups of customers in any particular geographic area.

All of the Company’s radiosurgery devices have been purchased through Elekta, to date. However, there are other manufacturers that also make radiosurgery devices.

Accounts receivable and doubtful accounts – Accounts receivable are recorded at net realizable value. An allowance for doubtful accounts is estimated based on historical collections plus an allowance for probable losses. Receivables are considered past due based on contractual terms and are charged off in the period that they are deemed uncollectible. Recoveries of receivables previously charged off are offset against bad debt expense when received.

Non-controlling interests - The Company reports its non-controlling interests as a separate component of shareholders’ equity. The Company also presents the consolidated net income and the portion of the consolidated net income allocable to the non-controlling interests and to the shareholders of the Company separately in its consolidated statements of operations.

Property and equipment – Property and equipment are stated at cost less accumulated depreciation. Depreciation for Gamma Knife, IGRT, and other equipment is determined using the straight-line method over the estimated useful lives of the assets, which for medical and office equipment is generally 3 – 10 years, and after accounting for salvage value on the equipment where indicated. Salvage value is based on the estimated fair value of the equipment at the end of its useful life.

Depreciation for PBRT and related equipment is determined using the modified units of production method, which is a function of both time and usage of the equipment. This depreciation method allocates costs considering the projected volume of usage through the useful life of the PBRT unit, which has been estimated at 20 years. The estimated useful life of the PBRT unit is consistent with the estimated economic life of 20 years.

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 2 – ACCOUNTING POLICIES (CONTINUED)

The Company capitalizes interest incurred on property and equipment that is under construction, for which deposits or progress payments have been made. When a rate is not readily available, imputed interest is calculated using the Company’s incremental borrowing rate. The interest capitalized for property and equipment is the portion of interest cost incurred during the acquisition periods that could have been avoided if expenditures for the equipment had not been made. The Company capitalized interest of $110,000, $115,000, and $138,000 in 2019, 2018, and, 2017, respectively, as costs of medical equipment.

The Company leases Gamma Knife and radiation therapy equipment to its customers under arrangements typically accounted for as operating leases. At December 31, 2019, the Company held equipment under operating lease contracts with customers with an original cost of $92,135,000 and accumulated depreciation of $55,148,000. At December 31, 2018, the Company held equipment under operating lease contracts with customers with an original cost of $94,031,000 and accumulated depreciation of $53,716,000.

In April 2017, an existing customer exercised their option to purchase the Gamma Knife unit at its hospital at the end of the lease term for a predetermined purchase price, pursuant to the lease agreement. The lease terminated in April 2017, at which time, the unit was depreciated to the purchase price of the sale. Based on the guidance provided in Accounting Standards Codification (“ASC”) 360 Property, Plant and Equipment (“ASC 360”), the Company did not classify or measure the asset as held for sale prior to the lease termination, because the Gamma Knife unit was not available for immediate sale.

During the year ended December 31, 2018, the Company recorded a receivable of $1,137,000 for insurance coverage related to damage that was incurred on the Company’s PBRT unit. The Company contracted with Mevion Medical Systems, Inc. (“Mevion”), formerly Still River Systems, to repair the damaged unit and incurred repair costs of approximately $977,000, which is included in the Company’s consolidated balance sheet for the year ended December 31, 2018. The Company recorded $185,000 of income from its business interruption insurance for the period the PBRT unit was down undergoing repair. All insurance proceeds and related costs were received and paid during the year ended December 31, 2019.

Fair value of financial instruments – The Company’s disclosures of the fair value of financial instruments is based on a fair value hierarchy which prioritizes the inputs to the valuation techniques used to measure fair value into three levels. Level 1 inputs are unadjusted quoted market prices in active markets for identical assets and liabilities that the Company has the ability to access at the measurement date. Level 2 inputs are inputs other than quoted prices within Level 1 that are observable for the asset or liability, either directly or indirectly. Level 3 inputs are unobservable inputs for assets or liabilities, and reflect the Company’s own assumptions about the assumptions that market participants would use in pricing the asset or liability.

The estimated fair value of the Company’s assets and liabilities as of December 31, 2019 and 2018 were as follows (in thousands):

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 2 – ACCOUNTING POLICIES (CONTINUED)

	Level 1		Level 2		Level 3		Total		Carrying Value
December 31, 2019
Assets:
Cash, cash equivalents, restricted cash	$	1,779	$	—	$	—	$	1,779	$	1,779
Total	$	1,779	$	—	$	—	$	1,779	$	1,779
Liabilities
Debt obligations	$	—	$	—	$	3,075	$	3,075	$	3,480
Total	$	—	$	—	$	3,075	$	3,075	$	3,480
December 31, 2018
Assets:
Cash, cash equivalents, restricted cash	$	1,792	$	—	$	—	$	1,792	$	1,792
Total	$	1,792	$	—	$	—	$	1,792	$	1,792
Liabilities
Debt obligations	$	—	$	—	$	5,431	$	5,431	$	5,451
Total	$	—	$	—	$	5,431	$	5,431	$	5,451

Revenue recognition - The Company recognizes revenues under ASC 842 Leases (“ASC 842”) and ASC 606 Revenue from Contracts with Customers (“ASC 606”).

Rental income from medical services – The Company recognizes revenues under ASC 842 when services have been rendered and collectability is reasonably assured, on either a fee per use or revenue sharing basis. The terms of the contracts do not contain any guaranteed minimum payments. The Company’s contracts are typically for a ten-year term and are classified as either fee per use or retail. Retail arrangements are further classified as either turn-key or revenue sharing. Revenues from fee per use contracts is determined by each hospital’s contracted rate. Revenues are recognized at the time the procedures are performed, based on each hospital’s contracted rate and the number of procedures performed. Under revenue sharing arrangements, the Company receives a contracted percentage of the reimbursement received by the hospital. The amount the Company expects to receive is recorded as revenue and estimated based on historical experience. Revenue estimates are reviewed periodically and adjusted as necessary. Under turn-key arrangements, the Company receives payment from the hospital in the amount of the hospital’s reimbursement from third party payors, and the Company is responsible for paying all the operating costs of the equipment. Operating costs are determined primarily based on historical treatment protocols and cost schedules with the hospital. The Company records an estimate of operating costs which are reviewed on a regular basis and adjusted as necessary to more accurately reflect the actual operating costs. For turn-key sites, the Company also shares a percentage of net operating profit. The Company records an estimate of net operating profit based on estimated revenues, less estimated operating costs. The operating costs and estimated net operating profit are recorded as other direct operating costs in the consolidated statement of operations. For the year ended December 31, 2019, the Company recognized revenues of approximately $19,396,000 under ASC 842.

Patient income – The Company has a stand-alone facility in Lima, Peru, where a contract exists between GKPeru and the individual patient treated at the facility. Under ASC 606, the Company acts as the principal in this transaction and provides, at a point in time, a single performance obligation, in the form of a Gamma Knife treatment. Revenue related to a Gamma Knife treatment is recognized on a gross basis at the time when the patient receives treatment. There is no variable consideration present in the Company’s performance obligation and the transaction price is agreed upon per the stated contractual rate. Payment terms are typically prepaid for self-pay patients and insurance provider payments are paid net 30 days. The Company did not capitalize any incremental costs related to the fulfillment of its customer contracts. Accounts receivable earned by GKPeru were not significant for the year ended December 31, 2019. For the year ended December 31, 2019, the Company recognized revenues of approximately $1,209,000 under ASC 606.

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 2 – ACCOUNTING POLICIES (CONTINUED)

Stock-based compensation – The Company measures all stock-based compensation awards at fair value and records such expense in its consolidated financial statements over the requisite service period of the related award. See Note 9 for additional information on the Company’s stock-based compensation programs.

Costs of revenue – The Company's costs of revenue consist primarily of maintenance and supplies, depreciation and amortization, and other operating expenses (such as insurance, property taxes, sales taxes, marketing costs and operating costs from the Company’s retail sites). Costs of revenues are recognized as incurred.

Sales and Marketing – The Company markets its services through its preferred provider status with Elekta and a direct sales effort led by its Vice President of Sales and Business Development and its Chief Operating Officer. The Company’s current business is the outsourcing of stereotactic radiosurgery services and radiation therapy services.

The Company typically provides the equipment, as well as planning, installation, reimbursement and marketing support services.

Income taxes – The Company accounts for income taxes using the asset and liability method. Under this method, deferred tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities and are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse.

The Company accounts for uncertainty in income taxes as required by the provisions of ASC 740 Income taxes (“ASC 740”), which clarifies the accounting for uncertainty in income taxes recognized in an enterprise’s financial statements. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to estimate and measure the tax benefit as the largest amount that is more than 50% likely of being realized upon ultimate settlement. It is inherently difficult and subjective to estimate such amounts, as this requires the Company to determine the probability of various possible outcomes. The Company considers many factors when evaluating and estimating the Company’s tax positions and tax benefits, which may require periodic adjustments and may not accurately anticipate actual outcomes.

See Note 8 for further discussion on income taxes.

Functional currency – Based on guidance provided in accordance with ASC 830, Foreign Currency Matters (“ASC 830”), the Company analyzes its operations outside the United States to determine the functional currency of each operation. Management has determined that these operations are initially accounted for in U.S. dollars since the primary transactions incurred are in U.S. dollars and the Company provides significant funding towards the startup of the operation. When Management determines that an operation has become predominantly self-sufficient, the Company will change its accounting for the operation to the local currency from the U.S. dollar. The Company analyzed it’s Gamma Knife site in Peru under ASC 830 as of December 31, 2019 and concluded the functional currency was the U.S. dollar. As facts and circumstances change, the Company will revisit this conclusion.

Asset Retirement Obligations – Based on the guidance provided in ASC 410 Asset Retirement Obligations (“ASC 410”), the Company analyzed its existing lease agreements and determined an asset retirement obligation (“ARO”) exists to remove the respective units at the end of the lease terms. The fair value of the ARO liability is not reasonable to estimate at this time, due to uncertainties about timing, cost and, outcome of the ARO, therefore no liability has been recorded as of December 31, 2019. The Company will re-evaluate this position on a periodic basis when facts and circumstances change that could affect this conclusion.

Earnings per share – Basic earnings per share excludes dilution and is computed by dividing income available to common shareholders by the weighted average number of common shares outstanding for the year. The fully vested restricted stock units not issued and outstanding, are also included therein. Diluted earnings per share reflect the potential dilution that could occur if common shares were issued pursuant to the exercise of options or warrants.

The following table illustrates the computations of basic and diluted earnings per share for the years ended December 31, 2019, 2018 and 2017.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 2 – ACCOUNTING POLICIES (CONTINUED)

	2019		2018		2017
Numerator for basic and diluted earnings per share	$	659,000	$	1,023,000	$	1,923,000
Denominator:
Denominator for basic and diluted earnings per share – weighted-average shares	5,919,000		5,836,000		5,754,000
Effect of dilutive securities Employee stock options and restricted stock	11,000		17,000		130,000
Denominator for diluted earnings per share – adjusted weighted-average shares	5,930,000		5,853,000		5,884,000
Earnings per common share- basic	$	0.11	$	0.18	$	0.33
Earnings per common share- diluted	$	0.11	$	0.17	$	0.33

In 2019, options outstanding to purchase 387,000 shares of common stock at an exercise price range of $2.68 - $3.90 per share and 3,000 restricted stock units were not included in the calculation of diluted earnings per share because they would be anti-dilutive.

In 2018, options outstanding to purchase 519,000 shares of common stock at an exercise price range of of $2.82 - $3.90 per share and 4,000 restricted stock units were not included in the calculation of diluted earnings per share because they would be anti-dilutive.

In 2017, options outstanding to purchase 14,000 shares of common stock at an exercise price of $3.90 per share and 4,000 restricted stock units were not included in the calculation of diluted earnings per share because they would be anti-dilutive.

Business segment information - Based on the guidance provided in accordance with ASC 280 Segment Reporting (“ASC 280”), the Company has analyzed its subsidiaries which are all in the business of leasing radiosurgery and radiation therapy equipment to healthcare providers, and concluded there is one reportable segment. The Company provides Gamma Knife, PBRT, and IGRT equipment to sixteen hospitals in the United States and owns and operates a single-unit facility in Lima, Peru as of December 31, 2019. These seventeen locations operate under different subsidiaries of the Company, but offer the same service, radiosurgery and radiation therapy. The operating results of the subsidiaries are reviewed by the Company’s Chief Executive Officer and Chief Financial Officer, who are also deemed the Company’s Chief Operating Decision Makers (“CODMs”) and this is done in conjunction with all of the subsidiaries and locations.

Geographical information – The Company’s single-unit facility in Peru treated its first patient in July 2017. The following table provides a break out of domestic and foreign allocations of revenues and net property and equipment:

	2019		2018		2017
Revenues
Domestic	94	%	96	%	99	%
Foreign	6	%	4	%	1	%
Total	100	%	100	%	100	%

	2019		2018		2017
Property and equipment, net
Domestic	93	%	93	%	93	%
Foreign	7	%	7	%	7	%
Total	100	%	100	%	100	%

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 2 – ACCOUNTING POLICIES (CONTINUED)

Long lived asset impairment – The Company assesses the recoverability of its long-lived assets when events or changes in circumstances indicate their carrying value may not be recoverable. Such events or changes in circumstances may include: a significant adverse change in the extent or manner in which a long-lived asset is being used, significant adverse change in legal factors or in the business climate that could affect the value of a long-lived asset, an accumulation of costs significantly in excess of the amount originally expected for the acquisition or development of a long-lived asset, current or future operating or cash flow losses that demonstrate continuing losses associated with the use of a long-lived asset, or a current expectation that, more likely than not, a long-lived asset will be sold or otherwise disposed of significantly before the end of its previously estimated useful life. The Company performs impairment testing at the asset group level that represents the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. The Company assesses recoverability of a long-lived asset by determining whether the carrying value of the asset group can be recovered through projected undiscounted cash flows over their remaining lives. If the carrying value of the asset group exceeds the forecasted undiscounted cash flows, an impairment loss is recognized, measured as the amount by which the carrying amount exceeds estimated fair value. An impairment loss is charged to the consolidated statement of operations in the period in which management determines such impairment. No such impairment has been noted as of December 31, 2019 and 2018.

Accounting pronouncement issued and adopted – In February 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02 Leases (“ASU 2016-02”) which requires lessees to recognize, for all leases, at the commencement date, a lease liability, and a right-of-use asset. Under the new guidance, lessor classification criteria for direct financing and sales-type leases is modified. In July 2018, the FASB issued ASU No. 2018-10 Leases (Topic 842) Codification Improvements to Topic 842, and ASU No. 2018-11 Leases (Topic 842) Targeted Improvements (“ASU 2018-11”), in December 2018 the FASB issued ASU No. 2018-20 Leases (Topic 842) Narrow-Scope Improvements, and in February 2019 the FASB issued ASU No. 2019-01 Leases (Topic 842) Codification Improvements. ASU 2018-11 provides a new transition method in which an entity can initially apply the new lease standards at the adoption date and recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. This standard is effective for annual periods beginning after December 15, 2018. The Company performed an analysis to determine if its revenue agreements with customers fall under the scope of ASU 2016-02 or ASU 2014-09, Revenue from Contracts with Customers (Topic 606) and concluded that, other than with respect to the Company’s stand-alone facility in Lima, Peru, ASU 2016-02 applied. The Company adopted ASU 2016-02 and related ASUs as of January 1, 2019 using the modified retrospective transition method. The Company elected to initially apply ASU 2016-02 and related ASUs beginning January 1, 2019 and elected to use the package of practical expedients upon adoption. The provisions of the package of practical expedients allowed the Company to not reassess whether any expired or existing contracts are or contain leases, the lease classification for expired or existing contracts, and the Company need not reassess the initial direct costs for any existing leases. The Company also used the hindsight expedient upon adoption which allowed the Company to examine its history when assessing lease term and whether it will exercise renewal options for certain contracts. The Company recognized lease liabilities and right-of-use assets of approximately $1,362,000 for its operating leases at January 1, 2019, with no initial material impact to its consolidated statements of operations.

In July 2019, the FASB issued ASU 2019-07 Codification Updates to SEC Sections: Amendments to SEC Paragraphs Pursuant to SEC Final Rule Releases No. 33-10532, Disclosure Update and Simplification, and Nos. 33-10231 and 33-10442, Investment Company Reporting Modernization, and Miscellaneous Updates which clarifies or improves the disclosure and presentation requirements of a variety of codification topics by aligning with the SEC's regulations, thereby eliminating redundancies and making the codification easier to apply. The new guidance was effective immediately upon issuance and did not have a material impact on the Company's financial statements and related disclosures.

Accounting pronouncement issued and not yet adopted – In February 2018, the FASB issued ASU No. 2018-03 Recognition and Measurement of Financial Assets and Financial Liabilities (“ASU 2018-03”), which clarifies certain aspects of ASU 2016-1. These are: equity securities without a readily determinable fair value – discontinuation, equity securities without a readily determinable fair value – adjustments, forward contracts and purchased options, presentation requirements for certain fair value option liabilities, fair value option liabilities denominated in a foreign currency, and transition guidance for equity securities without a readily determinable fair value. In August 2018, the FASB issued ASU No. 2018-13 Fair Value Measurement (Topic 820): Disclosure Framework – Changes to the Disclosure Requirements to Fair Value Measurement (“ASU 2018-13”), which amended the effective date and other certain measurement aspects of ASU 2018-03. The new guidance is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019. The Company does not expect ASU 2018-03 or ASU 2018-13 to have a significant impact on its consolidated financial statements and related disclosures.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 2 – ACCOUNTING POLICIES (CONTINUED)

In December 2019, the FASB issued ASU 2019-12 Income taxes (Topic 740): Simplifying the Accounting for Income Taxes (“ASU 2019-12”) which removes specific exceptions to the general principles in Topic 740 and eliminates the need for an organization to analyze whether the following apply in a given period: exception to the incremental approach for intraperiod tax allocation; exceptions to accounting for basis differences when there are ownership changes in foreign investments; exception in interim period income tax accounting for year-to-date losses that exceed anticipated losses. The new guidance is effective for fiscal years and interim periods beginning after December 15, 2020. The Company is currently evaluating ASU 2019-12 to determine the impact it may have on its consolidated financial statements.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 3 – PROPERTY AND EQUIPMENT

Property and equipment consists of the following:

	DECEMBER 31,
	2019		2018
Medical equipment and facilities	$	92,132,000	$	94,031,000
Office equipment	594,000		589,000
Deposits and construction in progress	1,965,000		3,832,000
Deposits towards purchase of proton beam systems	2,250,000		2,250,000
	96,941,000		100,702,000
Accumulated depreciation	(55,461,000)		(54,008,000)
Net property and equipment	$	41,480,000	$	46,694,000

The Company has equipment that is secured under finance leases, which is included in Medical equipment and facilities, with a total cost of $46,642,000 and associated accumulated depreciation of $23,782,000 as of December 31, 2019 and a total cost of $46,559,000 and associated accumulated depreciation of $20,292,000 as of December 31, 2018. As of December 31, 2019, the Company has two idle Gamma Knife units with a cumulative net book value of $943,000. There are currently no commitments to place into service or trade in these units during 2020.

As of December 31, 2019, the Company has $1,965,000 in construction in progress. The construction in progress consists of deposits payments made for two Cobalt-60 reloads, capitalized and imputed interest, and other costs associated with on-going projects of the Company.

As of December 31, 2019, the Company has $2,250,000 in deposits toward the purchase of two MEVION S250i PBRT systems from Mevion. The Company has a commitment for the remaining balance for each system. The Company’s first MEVION S250 treated its first patient in April 2016. The Company has entered into a partnership agreement (LBE) with a radiation oncology physician group, which has contributed $400,000 towards the deposits on the third machine. The Company currently does not have customer contracts for the second and third units. The Company reviews the carrying value of these deposits for impairment on a quarterly basis, or as events or circumstances might indicate that the carrying value may not be recoverable. The Company has reviewed the deposits, in light of available information, as of December 31, 2019 and has not identified any impairment. See Note 12 - Commitments and Contingencies for additional discussion on purchase commitments.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 4 - INVESTMENT IN EQUITY SECURITIES

As of December 31, 2019 and 2018 the Company had a $0 investment in the common stock of Mevion. The Company previously accounted for this investment under the cost method. The Company previously carried its investment in Mevion at cost and reviewed it for impairment on a quarterly basis, or as events or circumstances might have indicated that the carrying value of the investment may not be recoverable.

Based on guidance provided in ASC 320 Investments–Debt and Equity Securities (“ASC 320”) and Staff Accounting Bulletins (“SAB”) Topic 5M Other Than Temporary Impairment (“OTTI”) of Certain Investments in Equity Securities (“SAB Topic 5M”), the Company analyzed the related events of Mevion, that occurred in the second and third quarters of 2015 and its impact on the Company’s investment. The Company determined that these circumstances indicated a decline in value of its Mevion investment that was other-than-temporary and concluded that a write-down of the carrying value should be recognized. As of June 30, 2015, the Company adjusted its investment in Mevion to the estimated fair value of $600,000 and recorded a $2,114,000 impairment loss. The $2,114,000 other than temporary impairment of its investment in Mevion is recorded in other income (loss) on the Company’s Consolidated Statement of Operations.

During the period ended December 31, 2015, the Company engaged a third-party expert to review and corroborate its assessment of the fair value of the Mevion investment. Based on the third-party analysis, an additional impairment loss of $26,000 was recognized by the Company during the three months ended December 31, 2015. The fair value of the Company’s investment in Mevion, as of December 31, 2015 was approximately $579,000. The impairment loss for the year ended December 31, 2015 was $2,140,000.

During the year ended December 31, 2017, the Company reviewed its investment in Mevion and determined the fair value of its investment was $0. Based on the Company’s assessment of its investment in Mevion, the Company recognized an impairment loss for the year then ended December 31, 2017 of $579,000. During 2018, Mevion entered into a merger transaction with Mevion Medical Technology Group Limited, and the Company’s common shares in Mevion were cancelled.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 5 - LONG TERM DEBT

Long-term debt consists primarily of six notes with two financing companies collateralized by the Gamma Knife equipment having an aggregate net book value of $13,130,000, the individual customer contracts and related accounts receivable of $1,848,000 at December 31, 2019. These notes are payable in 36 to 84 fully amortizing monthly installments, mature between April 2020 and March 2026, and are collateralized by the respective Gamma Knife units. The notes accrue interest at fixed annual rates between 5.25% and 6.90%.

As of December 31, 2018, the Company had seven notes with three financing companies collateralized by the Gamma Knife equipment, the individual customer contracts and related accounts receivable, having an aggregate net book value of $13,016,000.

The following are contractual maturities of long-term debt by year at December 31, 2019:

Year ending December 31,	Principal		Interest
2020	$	1,526,000	$	163,000
2021	711,000		101,000
2022	263,000		71,000
2023	280,000		54,000
2024	299,000		36,000
Thereafter	401,000		17,000
	$	3,480,000	$	442,000

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 6 - FINANCE LEASES

The Company has ten finance lease obligations with three financing companies, collateralized by Gamma Knife and PBRT equipment having an aggregate net book value of $22,860,000, the individual customer contracts and related accounts receivable of $4,600,000 at December 31, 2019. These obligations have imputed interest rates ranging between 4.73% and 13.00%, are payable in 44 to 81 monthly installments, and mature between May 2020 and September 2024.

As of December 31, 2018, the Company had eleven finance lease obligations with three financing companies, collateralized by Gamma Knife and PBRT equipment, the individual customer contracts and related accounts receivable, having an aggregate net book value of $26,267,000.

At the end of each lease term, the Company has a bargain purchase option to purchase the equipment.

Future minimum lease payments, together with the present value of the net minimum lease payments under finance leases at December 31, 2019, are summarized as follows:

	Net Present Value of Minimum Lease Payments
Year ending December 31,
2020	$	4,610,000
2021	6,312,000
2022	1,291,000
2023	846,000
2024	521,000
Total finance lease payments	13,580,000
Less imputed interest	1,694,000
	11,886,000
Less current portion	3,709,000
	$	8,177,000

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 7 - LEASES

The Company determines if a contract is a lease at inception. Under ASC 842, the Company is a lessor of equipment to various customers. Leases that commenced prior to ASC 842 adoption date were classified as operating leases under historical guidance. As the Company has elected the package of practical expedients allowing to not reassess lease classification, these leases are classified as operating leases under ASC 842 as well. All of the Company’s lessor arrangements entered into after ASC 842 adoption are also classified as operating leases. Some of these lease terms have an option to extend the lease after the initial term, but do not contain the option to terminate early or purchase the asset at the end of the term.

The Company’s Gamma Knife, PBRT, and IGRT contracts with hospitals are classified as operating leases under ASC 842. The related equipment is included in medical equipment and facilities on the Company’s consolidated balance sheets (see further discussion at Note 2). As all income from the Company’s lessor arrangements is solely based on procedure volume, all income is considered variable payments not dependent on an index or a rate. As such, the Company does not measure future operating lease receivable.

The Company’s lessee operating leases are accounted for as right-of-use (“ROU”) assets, other current liabilities, and lease liabilities on the consolidated balance sheets. Operating lease ROU assets and liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. The Company’s operating lease contracts do not provide an implicit rate for calculating the present value of future lease payments, so the Company determined its incremental borrowing rate of approximately 6.0% by using available market rates and expected lease terms. The operating lease ROU assets and liabilities also include any lease payments made and excludes lease incentives and initial direct costs incurred. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. The Company’s lessee operating lease agreements are for administrative office space and related equipment, and the agreement to lease clinic space for its stand-alone facility in Lima, Peru. These leases have remaining lease terms between 3 and 5 years, some of which include options to renew or extend the lease. As of December 31, 2019, operating ROU assets and liabilities were $1,106,000.

The following table summarizes maturities of lessee operating lease ROU assets and liabilities as of December 31, 2019:

Year ending December 31,	Operating Leases
2020	339,000
2021	347,000
2022	332,000
2023	214,000
Thereafter	5,000
Total lease payments	1,237,000
Less imputed interest	(131,000)
Total	$	1,106,000

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 8 – INCOME TAXES

As of December 31, 2019, 2018 and 2017 the Company recorded income tax provision expense of $128,000, $451,000, and an income tax provision benefit of $1,103,000, respectively. The decrease in the Company’s provision for income taxes as of December 31, 2019 is due to a decrease in income from the Company's Gamma Knife operations and the release of a valuation allowance related to the Company's Gamma Knife operations in Peru. The increase in the Company's provision for income taxes as of December 31, 2018 is due to income from the PBRT system and operations of the Company’s subsidiaries. The income tax provision benefit recognized as of December 31, 2017 was due to the Tax Act.

On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (the “Tax Act”). The Tax Act makes broad and complex changes to the U.S. tax code that affect fiscal 2018, including, but not limited to requiring a one-time transition tax on certain unrepatriated earnings of foreign subsidiaries that is payable over eight years. The Tax Act also establishes new tax laws that will affect 2018 and later years, including, but not limited to, a reduction of the U.S. federal corporate tax rate from 34% to 21%, a general elimination of U.S. federal income taxes on dividends from foreign subsidiaries, net operating loss deduction limitations, a base erosion, anti-tax abuse tax and a deduction for foreign-derived intangible income and a new provision designed to tax global intangible low-taxed income. As a result of the Tax Act, the Company revalued its federal and state deferred tax liabilities based on a 21% tax rate as opposed to a 34% tax rate. The net effect of this change on the Company’s income tax provision for the year ended December 31, 2017 was a tax benefit of $1,546,000.

The components of the provision (benefit) for income taxes as of December 31, 2019, 2018 and 2017 consist of the following:

	YEARS ENDED DECEMBER 31,
	2019		2018		2017
Current:
Federal	$	443,000	$	13,000	$	55,000
State	207,000		389,000		109,000
Foreign	130,000		—		—
Total current	780,000		402,000		164,000
Deferred:
Federal	(311,000)		259,000		(1,335,000)
State	(251,000)		(210,000)		68,000
Foreign	(90,000)		—		—
Total deferred	(652,000)		49,000		(1,267,000)
	$	128,000	$	451,000	$	(1,103,000)

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 8 – INCOME TAXES (CONTINUED)

Significant components of the Company’s deferred tax liabilities and assets as of December 31, 2019 and 2018 are as follows:

	DECEMBER 31,
	2019		2018
Deferred tax liabilities:
Property and equipment	$	(3,112,000)	$	(3,566,000)
Total deferred tax liabilities	(3,112,000)		(3,566,000)
Deferred tax assets:
Net operating loss carryforwards	117,000		80,000
Accruals and allowances	248,000		275,000
Tax credits	4,000		194,000
Other – net	229,000		207,000
Capital loss carryover	921,000		948,000
Total deferred tax assets	1,519,000		1,704,000
Valuation allowance	(921,000)		(1,096,000)
Deferred tax assets net of valuation allowance	598,000		608,000
Net deferred tax liabilities	$	(2,514,000)	$	(2,958,000)

These amounts are presented in the financial statements as follows:

	DECEMBER 31,
	2019		2018
Deferred income taxes (non-current)	$	(2,514,000)	$	(2,958,000)
	$	(2,514,000)	$	(2,958,000)

The (benefit) provision for income taxes differs from the amount computed by applying the U.S. federal statutory tax rate (21% in 2019 and 2018, and 34% in 2017) to income before taxes as follows:

	YEARS ENDED DECEMBER 31,
	2019		2018		2017
Computed expected federal income tax	$	167,000	$	313,000	$	279,000
State income taxes, net of federal benefit	(80,000)		125,000		28,000
Non-deductible expenses	29,000		(12,000)		41,000
Impact of US Tax Reform	—		—		(1,546,000)
Return to Provision True-up	39,000		—		—
Uncertain Tax Positions	80,000		—		—
Change in valuation allowance	(175,000)		34,000		180,000
Other	68,000		(9,000)		(85,000)
	$	128,000	$	451,000	$	(1,103,000)

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 8 – INCOME TAXES (CONTINUED)

On December 22, 2017, the U.S. government enacted the Tax Act. The Tax Act makes broad and complex changes to the U.S. tax code including, but not limited to, requiring a one-time transition tax on certain unrepatriated earnings of foreign subsidiaries that is payable over eight years (the “Transition Tax”), a reduction of the U.S. federal corporate tax rate from 34% to 21%, a general elimination of U.S. federal income taxes on dividends from foreign subsidiaries, net operating loss deduction limitations, a base erosion, anti-tax abuse tax (“BEAT”) and a deduction for foreign-derived intangible income (“FDII”) and a new provision designed to tax global intangible low-taxed income (“GILTI”).

In December 31, 2017, the SEC staff issued SAB No. 118 (“SAB 118”) which provides guidance on accounting for the tax effects of the Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the Tax Act enactment date for companies to complete the accounting under ASC 740 Income taxes (“ASC 740”). In accordance with SAB 118 a company must reflect the income tax effects of those aspects of the Tax Act for which the accounting under ASC 740 is complete. To the extent that a company’s accounting for certain income tax effects of the Tax Act is incomplete but it is able to determine a reasonable estimate, it must record a provisional estimate in the financial statements. Additional work is necessary for a more detailed analysis of our deferred tax assets and liabilities. Any subsequent adjustment to these amounts would be recorded to current tax expense in the quarter of 2018 when the analysis was complete. We included a provisional estimate in the financial statements for the period ended December 31, 2017, as our accounting for the Tax Act under ASC 740 was not completed. As of December 31, 2018, the Company completed its analysis of the income tax effects of the Tax Act and there was no material impact to the Company’s consolidated financial statements.

Beginning in 2018, the GILTI provisions in the Tax Act require us to include, in our U.S. income tax return, foreign subsidiary earnings in excess of an allowable return on the foreign subsidiary’s tangible assets. Per guidance issued by the FASB, companies can either account for deferred taxes related to GILTI or treat tax arising from GILTI as a period cost. Both are acceptable methods subject to an accounting policy election. On December 31, 2018, we finalized our policy and have elected to use the period cost method for GILTI. In 2019, the Company did not have any material adjustments for GILTI.

The BEAT provisions in the Tax Act eliminate the deduction of certain base-erosion payments made to related foreign corporations, and impose a minimum base erosion anti-abuse tax if greater than regular tax. In 2019, our Company was not subject to BEAT as it did not meet the requirements to be subject to BEAT.

At December 31, 2019, the Company exhausted the remainder of its net operating loss carryforward for federal income tax return purposes. The Company has net operating loss carryforwards for state income tax purposes of approximately $2,096,000 that begin to expire in 2029. The Company has net operating loss carryforwards for its international subsidiaries of approximately $210,000.

Utilization of the net operating loss and credit carryforwards may be subject to an annual limitation due to the ownership change limitations provided by the Internal Revenue Code of 1986, as amended (the “Code”), and similar state provisions. Any annual limitation may result in the expiration of net operating losses and credits before utilization.

At December 31, 2019, the Company has a capital loss carryforward for federal income tax return purposes of approximately $3,762,000 which starts to expire in 2020. The Company has capital loss carryforwards for state income tax purposes of approximately $199,000 which starts to expire in 2020.

Due to uncertainty surrounding the realization of impairment losses, capital losses and foreign operating losses in future years, the Company has placed a valuation allowance against a portion of its net domestic and foreign deferred tax assets. The net valuation allowance decreased by $175,000, increased by $34,000, and decreased by $303,000 for the tax years ended December 31, 2019, 2018, and 2017, respectively.

During the year ended December 31, 2019, the Company released the valuation allowance related to GKPeru deferred tax assets, which resulted in an income tax benefit of $104,000. The Company concluded, based upon the preponderance of positive evidence (i.e. cumulative profit before tax adjusted for permanent items over the previous twelve quarters, a history of taxable income in recent periods, and the current forecast of income before taxes for GKPeru going forward) over negative evidence and the anticipated ability to use the deferred tax assets, that it was more likely than not that the deferred tax assets will be realized. If there are unfavorable changes to actual operating results or to projections of future income, the Company may determine that it is more likely than not such deferred tax assets may not be realizable.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 8 – INCOME TAXES (CONTINUED)

The tax return years 2015 through 2018 remain open to examination by the major domestic taxing jurisdictions to which the Company is subject. In 2019, the Company settled a New York State examination for tax years 2015 through 2017 with no material adjustments. Net operating losses generated on a tax return basis by the Company for calendar years 1999 through 2004, 2009, 2010, 2012, 2014, 2015, 2016, 2017, 2018 and 2019 remain open to examination by the major domestic taxing jurisdictions.

The Company has adopted accounting standards which prescribe a recognition threshold and measurement attribute for the financial statement recognition and measurement of uncertain tax positions taken or expected to be taken in a company's income tax return, and also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition. Additionally, these accounting standards specify that tax positions for which the timing of the ultimate resolution is uncertain should be recognized as long-term liabilities. The Company has made no reclassifications between current taxes payable and long term taxes payable under this guidance.

As of December 31, 2019, the unrecognized tax benefit was $259,000 which, if recognized, will not affect the annual effective tax rate as these unrecognized tax benefits would increase deferred tax assets which would be subject to a full valuation allowance. A reconciliation of the beginning and ending amount of unrecognized tax benefit is as follows:

	YEARS ENDED DECEMBER 31, 2019
	2019		2018		2017
Balance at beginning of year	$	87,000	$	—	$	—
Additions based on tax positions of prior years	172,000		87,000		—
Balance at end of year	$	259,000	$	87,000	$	—

The Company's policy for deducting interest and penalties is to treat interest as interest expense and penalties as taxes. As of December 31, 2019, the Company had $6,000 accrued for the payment of penalties and zero interest related to unrecognized tax benefits. The Company does not expect any material changes to our uncertain tax positions within the next 12 months.

NOTE 9 – SHAREHOLDERS’ EQUITY

Incentive Compensation Plan

In June 2010 shareholders approved an amendment and restatement of the Company’s stock incentive plan, renaming it the Incentive Compensation Plan (the “Plan”), and among other things, increasing the number of shares of the Company’s common stock reserved for issuance under the Plan to 1,630,000. The Plan provides that the shares reserved under the Plan are available for issuance to officers of the Company, other key employees, non- employee directors, and advisors. The Plan is a successor to the Company’s previous plans, and any shares awarded and outstanding under those plans were transferred to the Plan. No further grants or share issuances will be made under the previous plans. On June 21, 2019, the Company’s shareholders approved an amendment and restatement of the Plan in order to extend the term of the Plan by two years to February 22, 2022. As of December 31, 2019, approximately 411,000 shares remain available for grant under the Plan.

The Plan provides for nonqualified stock options, qualified (or incentive) stock options and stock grants (the “awards”). The Plan has a provision to reduce the number of shares reserved for award and issuance under the Plan by a ratio of 1.59 shares of common stock for each share of common stock that is issued pursuant to a Full Value Award (stock grant). The Plan also provides for an Incentive Bonus Program with incentive bonus opportunities through performance unit awards and special cash incentive programs tied to the attainment of pre-established performance milestones.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 9 – SHAREHOLDERS’ EQUITY (CONTINUED)

Provisions of the Plan include an automatic annual grant to each non-employee director of options to purchase up to 2,000 shares on the date of the Company’s Annual Shareholder Meeting, at an exercise price equal to the market price of the Company’s common shares on that date, an automatic annual grant of 500 restricted stock units of the Company’s common shares and an annual cash retainer fee for Board or Board Committee service, which may be converted to restricted stock unit awards (“restricted stock units” or “RSUs”). Options and restricted stock units awarded under the automatic annual grant program for non-employee directors vest after one year. Restricted stock units awarded in lieu of retainer fees vest quarterly, over a one year period. These awards become outstanding upon the conclusion of the individual Board members service on the Company’s Board of Directors. During the year ended December 31, 2019, 83,000 awards issued in lieu of retainer fees became outstanding. Other options may vest fully and immediately, or over periods of time as determined by the Plan Administrator, but no longer than seven years from the grant date. Discretionary options currently awarded under the Plan vest over a period of 5 years.

Under the Plan, a total of 312,000 restricted stock units have been granted, consisting of 41,000 of annual automatic grants to non-employee directors and the corporate secretary, 261,000 of deferred retainer fees to non-employee members of the Board, and 10,000 grants issued in lieu of commission, to one employee of the Company. Of the total restricted stock units granted under the Plan 309,000 of them are fully vested but not yet deemed issued and outstanding as of December 31, 2019.

Changes in restricted stock units, consisting primarily of annual automatic grants and deferred compensation to non-employee directors, under the Incentive Compensation Plans during 2019 and 2018 are as follows:

	Restricted Stock Units	Grant Date Weighted- Average Fair Value		Intrinsic Value
Outstanding at January 1, 2018	4,000	$	3.77	$	—
Granted	35,000	$	2.56	$	—
Vested	(35,000)	$	2.69	$	—
Outstanding at December 31, 2018	4,000	$	2.68	$	—
Outstanding at January 1, 2019	4,000	$	2.68	$	—
Granted	36,000	$	2.50	$	—
Vested	(37,000)	$	2.47	$	—
Outstanding at December 31, 2019	3,000	$	3.03	$	—

For the year ended December 31, 2019, total compensation expense recorded in the consolidated statements of operations related to restricted stock units in lieu of retainer fees was $80,000. For the year ended December 31, 2019, total compensation expense recorded in the consolidated statements of income for annual restricted stock units awarded was $10,000, with an offsetting tax benefit of $2,000, as this expense is deductible for income tax purposes. As of December 31, 2019, there was $5,000 of total unrecognized compensation cost related to annual restricted stock units which is expected to be recognized over a period of 0.5 years. During 2019, 2018, and 2017 shares of restricted stock units totaling 4,000 each, respectively, with a fair value of approximately $11,000, $11,000 and $15,000, respectively, vested and became unrestricted.

On January 4, 2017, the Company entered into a Performance Share Award Agreement with three executive officers of the Company (the “Award Agreements”) for 161,766 restricted stock awards which vest upon the achievement of certain performance metrics. The Award Agreements expire on March 31, 2020. Based on the guidance in ASC 718 Stock Compensation (“ASC 718”), the Company concluded these were performance-based awards with vesting criteria tied to performance metrics. As of December 31, 2017, the Company achieved one of the certain performance metrics under the Award Agreements and recognized stock compensation expense of approximately $108,000 related to these awards. As of December 31, 2019 it is not probable that any of the remaining required metrics for vesting will be achieved. The unrecognized stock-based compensation expense for these awards was approximately $434,000 and unvested restricted stock awards were approximately 129,000 as of December 31, 2019. If and when the Company determines that the remaining performance metrics’ achievement becomes probable, the Company will record a cumulative catch-up stock-based compensation amount and the remaining unrecognized amount will be recorded over the remaining requisite service period of the awards.

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NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 9 – SHAREHOLDERS’ EQUITY (CONTINUED)

Changes in stock options outstanding under the Incentive Compensation Plans during 2019 and 2018 are as follows:

Options	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Balance at December 31, 2017	615,000	$	2.87	3.48	$	22,000
Granted	16,000	$	2.68	6.46	$	—
Forfeited	(18,000)	$	3.15	—	$	—
Balance at December 31, 2018	613,000	$	2.85	3.14	$	—
Granted	18,000	$	2.87	7.00	$	—
Exercised	(16,000)	$	2.59	—	$	—
Forfeited	(165,000)	$	3.07	—	$	—
Balance at December 31, 2019	450,000	$	2.78	2.44	$	27,000
Exercisable at December 31, 2018	488,000	$	2.87	2.55	$	—
Exercisable at December 31, 2019	425,000	$	2.79	2.25	$	—

The weighted average grant-date fair value of the options granted during the years 2019, 2018 and 2017 was $1.54, $1.45, and $1.50, respectively. There were 16,000 options exercised during the year ended December 31, 2019. There were no options exercised and accordingly, no total intrinsic value of options exercised during the year ended December 31, 2018. There were 4,000 options exercised during the year ended December 31, 2017. Total stock-based compensation expense recognized for stock options for the years ended December 2019, 2018, and 2017 was $141,000, $109,000, and $144,000, respectively.

The Company received approximately $42,000 from the exercise of 16,000 options under the share-based arrangements for the year ended December 31, 2019. There was no cash received from options exercised under any share-based payment arrangements for the years ended December 31, 2018, and as a result, there was no actual tax benefit realized for tax deductions from option exercises in that year. The Company received approximately $6,000 from the exercise of 2,000 options under share-based payment arrangements for the year ended December 31, 2017.

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 9 – SHAREHOLDERS’ EQUITY (CONTINUED)

A summary of the status of the Company’s non-vested stock options as of December 31, 2019 and 2018, and changes during the years ended December 31, 2019 and 2018 is presented below:

Nonvested Options	Number of Options	Weighted Average Grant-Date Fair Value
Nonvested at December 31, 2017	220,000	$	1.20
Granted	16,000	$	1.45
Vested	(111,000)	$	1.22
Nonvested at December 31, 2018	125,000	$	1.20
Granted	18,000	$	1.54
Vested	(118,000)	$	1.22
Nonvested at December 31, 2019	25,000	$	1.40

At December 31, 2019, there was approximately $24,000 of unrecognized compensation cost related to non-vested share-based compensation arrangements granted under the Plan. This cost is expected to be recognized over a period of approximately two years.

The Company’s stock-based awards to employees are calculated using the Black-Scholes options valuation model. The Black-Scholes model was developed for use in estimating the fair value of traded options which have no vesting restrictions and are fully transferable. In addition, the Black-Scholes model requires the input of highly subjective assumptions including the expected stock price volatility. The Company’s stock-based awards have characteristics significantly different from those of traded options, and changes in the subjective input assumptions can materially affect the present value estimates. For these reasons, management believes that the existing models do not necessarily provide a reliable single measure of the fair value of its stock-based awards to employees.

The fair value of the Company’s option grants issued during 2019, 2018 and 2017 were estimated using assumptions for expected life, volatility, dividend yield, forfeiture rate, and risk-free interest rate which are specific to each award as summarized in the following table. The estimated fair value of the Company’s options is amortized over the period during which the optionee is required to provide service in exchange for the award, usually the vesting period.

The fair value of the Company’s option grants under the Plan in 2019, 2018 and 2017 was estimated using the following assumptions:

	2019		2018		2017
Expected life (years)	7.0		7.0		7.0
Expected forfeiture rate	0.0	%	0.0	%	0.0	%
Expected volatility	50	%	50	%	53	%
Dividend yield	0	%	0	%	0	%
Risk-free interest rate	1.9	%	2.9	%	2.0	%

Repurchase of Common Stock, Common Stock Warrants and Stock Options

In 1999 and 2001, the Board of Directors approved resolutions authorizing the Company to repurchase up to a total of 1,000,000 shares of its own stock on the open market, which the Board reaffirmed in 2008. There were no shares of the Company repurchased during 2019, 2018 or 2017. There are approximately 72,000 shares remaining under this repurchase authorization.

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 10 – RETIREMENT PLAN

The Company has a defined-contribution retirement plan (the “Retirement Plan”) that allows for a matching safe harbor contribution. For 2019, the Board of Directors elected to match participant deferred salary contributions up to a maximum of 4% of the participant’s annual compensation. Discretionary profit sharing contributions are allowed under the Retirement Plan in years that the Board does not elect a safe harbor match. The Company has accrued approximately $38,000 for the estimated safe harbor matching contribution for the year ended December 31, 2019. The Company contributed $27,000 and $29,000 to the Retirement Plan for the safe harbor match for the years ended December 31, 2018 and December 31, 2017.

F- 29

AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 11 – OPERATING LEASES

The Company leases office space and equipment under operating leases expiring at various dates through 2020 and 2024. On August 13, 2016, the Company entered into a 7 year operating lease for an office space located in San Francisco, CA. The Company has a satellite office in Fairfield, CA with a lease expiration date in April 2020. The Company also owns and operates a stand-alone Gamma Knife facility in Lima, Peru where it leases approximately 1,600 for approximately $5,000 per month with a lease expiration date in January 2024.

Future minimum payments under non-cancelable operating leases, net of expected sublease income, having initial terms of more than one year consisted of the following:

Year ending December 31,
2020	$	319,000
2021	312,000
2022	319,000
2023	225,000
2024	5,000
	$	1,180,000

Payments for repair and maintenance agreements incorporated in operating lease agreements are not included in the future minimum operating lease payments shown above.

Net rent expense was $380,000, $298,000, and $308,000 for the years ended December 31, 2019, 2018 and 2017, respectively, and includes the above operating leases as well as month-to-month rental and certain executory costs.

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 12 – COMMITMENTS AND CONTINGENCIES

On December 20, 2018, the Company signed Second Amendments to two System Build Agreements (the “Amendments”) for the Company’s second and third Mevion PBRT units. The Company and Mevion have agreed to upgrade the second and third PBRT units for which the Company has purchase commitments. The Company is actively seeking sites for these units but, to date, has not entered into agreements with any party for either placement of a PBRT unit or the related financing. The Company projects that it will be required to commence delivery of the second and third PBRT units no later than 2023. In the event the Company is unable to enter into customer agreements within the requisite time frame or receive an extension from Mevion, the Company could forfeit its deposits, which are described below.

As of December 31, 2019, the Company had commitments, after deposits, to purchase two MEVION S250i PBRT systems for $34,000,000 and the Company had $2,250,000 in non-refundable deposits toward the purchase of these two PBRT systems from Mevion. The non-refundable deposits are recorded in the Consolidated Balance Sheets as deposits and construction in progress.

As of December 31, 2019, the Company had commitments to perform five Cobalt-60 reloads and install five Leksell Gamma Knife Icon Systems ("Icon") at existing customer sites, and purchase one LINAC system, to be placed at a new customer site. The Cobalt-60 reloads, Icon upgrades, and LINAC purchase are scheduled to occur between 2020 and 2022. Total Gamma Knife and LINAC commitments as of December 31, 2019 were $6,910,000. Two of the five Cobalt-60 reloads were completed and financed during the first quarter of 2020. It is the Company’s intent to finance the remaining commitments. There are no significant cash requirements, pending financing, for these commitments in the next 12 months. There can be no assurance that financing will be available for the Company’s current or future projects, or at terms that are acceptable to the Company. 

On July 21, 2017, the Company entered into a Maintenance and Support Agreement (the “Mevion Service Agreement”) with Mevion, which provides for maintenance and support of the Company’s PBRT unit at Orlando Health. The Mevion Service Agreement began September 5, 2017 and renews annually. The agreement requires an annual prepayment of $1,562,000 which was made on September 6, 2019 for the current contractual period. This payment portion was recorded as a prepaid contract and will be amortized over the one-year service period. The Mevion Service Agreement is for a five (5) year period. On December 20, 2018, the Company signed a Second Amendment to the Mevion Service Agreement, where the Company agreed to increase the annual service payment by $250,000, effective for the second service year, and for each year thereafter. The Company paid the additional $250,000 of the annual service payment owed for the second service year on September 6, 2019.

As of December 31, 2019, the Company had commitments to service and maintain its Gamma Knife and PBRT equipment. The service commitments are carried out via contracts with Mevion, Elekta and Mobius Imaging, LLC. In addition, in April 2019, the Company signed agreements to service the Icon upgrades which will be installed at various dates between 2020 and 2022. The Company’s commitment to purchase a LINAC system also includes a 9-year agreement to service the equipment. Total service commitments as of December 31, 2019 were $10,096,000. The Gamma Knife and certain other service contracts are paid monthly, as service is performed. The Company believes that cash flow from cash on hand and operations will be sufficient to cover these payments.

The Company estimates the following commitments for each of the equipment systems, with expected timing of payments as follows as of December 31, 2019:

	Total amounts committed		2020		2021-2023		2024		After 5 years
Long-term debt (includes interest)	$	3,922,000	$	1,689,000	$	1,480,000	$	335,000	$	418,000
Finance leases (includes interest)	13,580,000		4,610,000		8,449,000		521,000		—
Future equipment purchases	40,910,000		1,750,000		39,160,000		—		—
Equipment service contracts	10,096,000		1,847,000		4,655,000		1,734,000		1,860,000
Operating leases	1,180,000		319,000		856,000		5,000		—
Total Commitments	$	69,688,000	$	10,215,000	$	54,600,000	$	2,595,000	$	2,278,000

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AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 13 – RELATED PARTY TRANSACTIONS

The Company’s Gamma Knife business is operated through its 81% indirect interest in its GKF subsidiary. The remaining 19% of GKF is owned by a wholly owned U.S. subsidiary of Elekta, which is the manufacturer of the Gamma Knife. Since the Company purchases its Gamma Knife units from Elekta, there are significant related party transactions with Elekta such as equipment purchases, commitments to purchase equipment, deposits for such equipment purchases, and costs to maintain the equipment. The Company believes that all its transactions with Elekta are arm’s-length transactions. At December 31, 2019, the Company had commitments to purchase five Cobalt-60 reloads, install five Icon upgrades and service the related equipment, as discussed in Note 12 – Commitments and Contingencies.

The Company purchased one MEVION S250 PBRT machine from Mevion, and has $2,250,000 in non-refundable deposits towards the purchase of two additional MEVION S250i machines. The Company also contracted with Mevion to repair the damaged PBRT unit and incurred repair costs of approximately $977,000, which is included in the Company’s consolidated balance sheet for the year ended December 31, 2018. The Company believes all of its transactions with Mevion were arm’s-length transactions. See Note 4 – Investment in Equity Securities for additional information.

F- 32

AMERICAN SHARED HOSPITAL SERVICES

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS

NOTE 14 – SUBSEQUENT EVENTS

The recent outbreak of the novel coronavirus COVID-19, which was declared a pandemic by the World Health Organization on March 11, 2020, has led to adverse impacts on the U.S. and global economies and created uncertainty regarding potential impacts on the Company’s operations. The pandemic has impacted and could further impact the Company’s operations and the operations of its customers as a result of quarantines, facility closures, and travel and logistics restrictions. While the disruption caused by the pandemic is currently expected to be temporary, there is uncertainty regarding its duration. Therefore, while the COVID-19 outbreak is expected to impact the Company’s results of operations, financial position, and liquidity, the duration and intensity of the impact of the COVID-19 outbreak and resulting disruption to the Company’s operations is uncertain. The Company will continue to monitor the situation closely and assess the impact on its operations and financial results for the remainder of the year.

Subsequent to year end, the Company financed two Cobalt-60 reload commitments, as discussed in Note 12 – Commitments and Contingencies, totaling approximately $1,180,000. The Cobalt-60 reloads were performed at existing Gamma Knife customer sites.

F- 33

EX-21.1

Exhibit 21.1

The subsidiaries of American Shared Hospital Services are:

MedLeader.com, Inc.

A California corporation

OR21, Inc.

A California corporation

OR21, LLC

A Washington limited liability company

Long Beach Equipment, LLC

A Delaware limited liability company

American Shared Radiosurgery Services

A California corporation

PBRT Orlando LLC

A Delaware limited liability company

Subsidiaries of American Shared Radiosurgery Services

GK Financing, LLC

A California limited liability company

Subsidiaries of GK Financing, LLC

Albuquerque GK Equipment, LLC

A Delaware limited liability company

Jacksonville GK Equipment, LLC

A Delaware limited liability company

Instituto de Gamma Knife del Pacifico S.A.C.

A Peruvian company

EX-23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the Registration Statements (Form S-3 No. 333-204593, and Form S-8 No. 333-170650, No. 333-139446, No. 333-81138, No. 333-73172, No. 333-12879,and No. 333-08009) of our report dated April 3, 2020, relating to the consolidated financial statements appearing in the Annual Report on Form 10-K of American Shared Hospital Services for the year ended December 31, 2019.

/s/ Moss Adams LLP

San Francisco, California

April 3, 2020

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Ernest A. Bates, M.D., as chief executive officer of American Shared Hospital Services, certify that:

1. I have reviewed this annual report on Form 10-K for the period ended December 31, 2018 of American Shared Hospital Services;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any changes in the registrant’s internal control over financial reporting that occurred during registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting.

April 3, 2020

/s/ Ernest A. Bates, M.D.

Ernest A. Bates, M.D.

Chief Executive Officer

EX-31.2

Exhibit 31.2

CERTIFICATION

I, Craig K. Tagawa, as chief financial officer of American Shared Hospital Services, certify that:

1. I have reviewed this annual report on Form 10-K for the period ended December 31, 2019 of American Shared Hospital Services;

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report;

3. Based on my knowledge, the financial statements, and other financial information included in this report, fairly present in all material respects the financial condition, results of operations and cash flows of the registrant as of, and for, the periods presented in this report;

4. The registrant's other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f)) for the registrant and have:

a) Designed such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is made known to us by others within those entities, particularly during the period in which this report is being prepared;

b) Designed such internal control over financial reporting, or caused such internal control over financial reporting to be designed under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with generally accepted accounting principles;

c) Evaluated the effectiveness of the registrant’s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and

d) Disclosed in this report any changes in the registrant’s internal control over financial reporting that occurred during registrant’s most recent fiscal quarter (the registrant’s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant’s internal control over financial reporting; and

5. The registrant's other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant's auditors and the audit committee of the registrant's board of directors (or persons performing the equivalent functions):

a) All significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting which are reasonably likely to adversely affect the registrant's ability to record, process, summarize and report financial information; and

b) Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant's internal control over financial reporting

April 3, 2020

/s/ Craig K. Tagawa

Craig K. Tagawa

Chief Financial Officer

EX-32.1

Exhibit 32.1

April 3, 2020

Securities and Exchange Commission

450 Fifth Street, N.W

Washington, D.C. 20549

Ladies and Gentlemen:

The certification set forth below is being submitted to the Securities and Exchange Commission solely for the purpose of complying with Rule 13a-14(b) and Rule 15d-14(b) of the Securities Exchange Act of 1934 (the “Exchange Act”) and Section 1350 of Chapter 63 of Title 18 of the United States Code. This certification is not to be deemed filed pursuant to the Exchange Act and does not constitute a part of the Annual Report on Form 10-K (the “Report”) accompanying this letter.

Ernest A. Bates, M.D., the Chief Executive Officer and Craig K. Tagawa, the Chief Financial Officer of American Shared Hospital Services, each certifies that, to the best of his knowledge:

1.the Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934; and

2.the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of American Shared Hospital Services.

/s/ Ernest A. Bates, M.D.

Ernest A. Bates, M.D.

Chief Executive Officer

/s/ Craig K. Tagawa

Craig K. Tagawa
Chief Financial Officer

XML

SHAREHOLDERS' EQUITY (Details Textual) - USD ($)		12 Months Ended
	Jan. 04, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jun. 30, 2010	Dec. 31, 2001
Class of Stock [Line Items]
Outstanding (in shares)		450,000	613,000	615,000
Unrecognized compensation cost		$ 434,000
Allocated Share-based Compensation Expense	$ 108,000	$ 141,000	$ 109,000	$ 144,000
Grant date weighted-average fair value, granted (in dollars per share)		$ 1.54	$ 1.45	$ 1.50
Options exercised in period (in shares)		16,000	0	4,000
Proceeds from stock options exercised		$ 42,000	$ 0	$ 6,000
Number of shares authorized to be repurchased (in shares)						1,000,000
Remaining number of shares authorized to be repurchased (in shares)		72,000
Restricted Stock
Class of Stock [Line Items]
Shares vested in period (in shares)		309,000
Performance Share Award Agreement
Class of Stock [Line Items]
Amount of nonvested options (in shares)		129,000
Share-based Compensation Award, Tranche One
Class of Stock [Line Items]
Options exercised in period (in shares)		16,000		2,000
Non Vested Shares
Class of Stock [Line Items]
Period for recognition		2 years
Unrecognized compensation cost related to non-vested shares			$ 24,000
Employee
Class of Stock [Line Items]
Shares issued for services (in shares)		10,000
Incentive Compensation Plan
Class of Stock [Line Items]
Shares reserved for future issuance (in shares)					1,630,000
Remaining shares available for grant (in shares)		411,000
Provision for reduction of reserved shares (in shares)					1.59
Shares purchased for award (in shares)		2,000
Number of shares available for grant (in shares)		312,000
Outstanding (in shares)		83,000
Award vesting period		5 years
Employee benefits and share-based compensation		$ 10,000
Offsetting tax benefit		2,000
Unrecognized compensation cost		$ 5,000
Period for recognition		6 months
Restricted stock units (in shares)		4,000	4,000	4,000
Fair value of options vested in period		$ 11,000	$ 11,000	$ 15,000
Incentive Compensation Plan | Restricted Stock
Class of Stock [Line Items]
Options granted in period (in shares)	161,766
Incentive Compensation Plan | Non Employee Directors
Class of Stock [Line Items]
Number of shares available for grant (in shares)		500
Incentive Compensation Plan | Non Employee Directors and Corporate Secretary
Class of Stock [Line Items]
Number of shares available for grant (in shares)		41,000
Retainer Fees
Class of Stock [Line Items]
Employee benefits and share-based compensation		$ 80,000
Retainer Fees | Incentive Compensation Plan | Non Employee Directors
Class of Stock [Line Items]
Number of shares available for grant (in shares)		261,000

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SHAREHOLDERS' EQUITY - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stockholders' Equity Note [Abstract]
Expected life (years)	7 years	7 years	7 years
Expected forfeiture rate	0.00%	0.00%	0.00%
Expected volatility	50.00%	50.00%	53.00%
Dividend yield	0.00%	0.00%	0.00%
Risk-free interest rate	1.90%	2.90%	2.00%

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OPERATING LEASES

12 Months Ended

Dec. 31, 2019

Leases, Operating [Abstract]

OPERATING LEASES

OPERATING LEASES

The Company leases office space and equipment under operating leases expiring at various dates through 2020 and 2024. On August 13, 2016, the Company entered into a 7 year operating lease for an office space located in San Francisco, CA. The Company has a satellite office in Fairfield, CA with a lease expiration date in April 2020. The Company also owns and operates a stand-alone Gamma Knife facility in Lima, Peru where it leases approximately 1,600 for approximately $5,000 per month with a lease expiration date in January 2024.

Future minimum payments under non-cancelable operating leases, net of expected sublease income, having initial terms of more than one year consisted of the following:

Year ending December 31,
2020	$	319,000
2021	312,000
2022	319,000
2023	225,000
2024	5,000
	$	1,180,000

Payments for repair and maintenance agreements incorporated in operating lease agreements are not included in the future minimum operating lease payments shown above.

Net rent expense was $380,000, $298,000, and $308,000 for the years ended December 31, 2019, 2018 and 2017, respectively, and includes the above operating leases as well as month-to-month rental and certain executory costs.

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PROPERTY AND EQUIPMENT

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

PROPERTY AND EQUIPMENT

PROPERTY AND EQUIPMENT

Property and equipment consists of the following:

	DECEMBER 31,
	2019		2018
Medical equipment and facilities	$	92,132,000	$	94,031,000
Office equipment	594,000		589,000
Deposits and construction in progress	1,965,000		3,832,000
Deposits towards purchase of proton beam systems	2,250,000		2,250,000
	96,941,000		100,702,000
Accumulated depreciation	(55,461,000)		(54,008,000)
Net property and equipment	$	41,480,000	$	46,694,000

The Company has equipment that is secured under finance leases, which is included in Medical equipment and facilities, with a total cost of $46,642,000 and associated accumulated depreciation of $23,782,000 as of December 31, 2019 and a total cost of $46,559,000 and associated accumulated depreciation of $20,292,000 as of December 31, 2018. As of December 31, 2019, the Company has two idle Gamma Knife units with a cumulative net book value of $943,000. There are currently no commitments to place into service or trade in these units during 2020.

As of December 31, 2019, the Company has $1,965,000 in construction in progress. The construction in progress consists of deposits payments made for two Cobalt-60 reloads, capitalized and imputed interest, and other costs associated with on-going projects of the Company.

As of December 31, 2019, the Company has $2,250,000 in deposits toward the purchase of two MEVION S250i PBRT systems from Mevion. The Company has a commitment for the remaining balance for each system. The Company’s first MEVION S250 treated its first patient in April 2016. The Company has entered into a partnership agreement (LBE) with a radiation oncology physician group, which has contributed $400,000 towards the deposits on the third machine. The Company currently does not have customer contracts for the second and third units. The Company reviews the carrying value of these deposits for impairment on a quarterly basis, or as events or circumstances might indicate that the carrying value may not be recoverable. The Company has reviewed the deposits, in light of available information, as of December 31, 2019 and has not identified any impairment. See Note 12 - Commitments and Contingencies for additional discussion on purchase commitments.

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LEASES

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

LEASES

LEASES

The Company determines if a contract is a lease at inception. Under ASC 842, the Company is a lessor of equipment to various customers. Leases that commenced prior to ASC 842 adoption date were classified as operating leases under historical guidance. As the Company has elected the package of practical expedients allowing to not reassess lease classification, these leases are classified as operating leases under ASC 842 as well. All of the Company’s lessor arrangements entered into after ASC 842 adoption are also classified as operating leases. Some of these lease terms have an option to extend the lease after the initial term, but do not contain the option to terminate early or purchase the asset at the end of the term.

The Company’s Gamma Knife, PBRT, and IGRT contracts with hospitals are classified as operating leases under ASC 842. The related equipment is included in medical equipment and facilities on the Company’s consolidated balance sheets (see further discussion at Note 2). As all income from the Company’s lessor arrangements is solely based on procedure volume, all income is considered variable payments not dependent on an index or a rate. As such, the Company does not measure future operating lease receivable.

The Company’s lessee operating leases are accounted for as right-of-use (“ROU”) assets, other current liabilities, and lease liabilities on the consolidated balance sheets. Operating lease ROU assets and liabilities are recognized based on the present value of the future minimum lease payments over the lease term at commencement date. The Company’s operating lease contracts do not provide an implicit rate for calculating the present value of future lease payments, so the Company determined its incremental borrowing rate of approximately 6.0% by using available market rates and expected lease terms. The operating lease ROU assets and liabilities also include any lease payments made and excludes lease incentives and initial direct costs incurred. Lease expense for minimum lease payments is recognized on a straight-line basis over the lease term. The Company’s lessee operating lease agreements are for administrative office space and related equipment, and the agreement to lease clinic space for its stand-alone facility in Lima, Peru. These leases have remaining lease terms between 3 and 5 years, some of which include options to renew or extend the lease. As of December 31, 2019, operating ROU assets and liabilities were $1,106,000.

The following table summarizes maturities of lessee operating lease ROU assets and liabilities as of December 31, 2019:

Year ending December 31,	Operating Leases
2020	339,000
2021	347,000
2022	332,000
2023	214,000
Thereafter	5,000
Total lease payments	1,237,000
Less imputed interest	(131,000)
Total	$	1,106,000

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PROPERTY AND EQUIPMENT (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 96,941	$ 100,702
Accumulated depreciation	(55,461)	(54,008)
Net property and equipment	41,480	46,694
Medical equipment and facilities
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	92,132	94,031
Office equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	594	589
Deposits and construction in progress
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	1,965	3,832
Deposits towards purchase of proton beam systems
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 2,250	$ 2,250

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ACCOUNTING POLICIES - Schedule of Fair Value (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
ASSETS
Cash, cash equivalents, restricted cash, Carrying Value	$ 1,429	$ 1,442
TOTAL ASSETS	53,783	57,502
Assets, Fair Value Disclosure [Abstract]
Cash, cash equivalents, restricted cash	1,779	1,792	$ 2,502	$ 3,121
Total, Fair Value	1,779	1,792
Liabilities, Fair Value Disclosure [Abstract]
Debt obligations, Fair Value	3,075	5,431
Total, Fair Value	3,075	5,431
Carrying Value
ASSETS
Cash, cash equivalents, restricted cash, Carrying Value	1,779	1,792
TOTAL ASSETS	1,779	1,792
LIABILITIES AND SHAREHOLDERS’ EQUITY
Debt obligations, Carrying Value	3,480	5,451
Total Liabilities	3,480	5,451
Fair Value, Inputs, Level 1
Assets, Fair Value Disclosure [Abstract]
Cash, cash equivalents, restricted cash	1,779	1,792
Total, Fair Value	1,779	1,792
Liabilities, Fair Value Disclosure [Abstract]
Debt obligations, Fair Value	0	0
Total, Fair Value	0	0
Fair Value, Inputs, Level 2
Assets, Fair Value Disclosure [Abstract]
Cash, cash equivalents, restricted cash	0	0
Total, Fair Value	0	0
Liabilities, Fair Value Disclosure [Abstract]
Debt obligations, Fair Value	0	0
Total, Fair Value	0	0
Fair Value, Inputs, Level 3
Assets, Fair Value Disclosure [Abstract]
Cash, cash equivalents, restricted cash	0	0
Total, Fair Value	0	0
Liabilities, Fair Value Disclosure [Abstract]
Debt obligations, Fair Value	3,075	5,431
Total, Fair Value	$ 3,075	$ 5,431

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SUBSEQUENT EVENTS

12 Months Ended

Dec. 31, 2019

Subsequent Events [Abstract]

SUBSEQUENT EVENTS

SUBSEQUENT EVENTS

The recent outbreak of the novel coronavirus COVID-19, which was declared a pandemic by the World Health Organization on March 11, 2020, has led to adverse impacts on the U.S. and global economies and created uncertainty regarding potential impacts on the Company’s operations. The pandemic has impacted and could further impact the Company’s operations and the operations of its customers as a result of quarantines, facility closures, and travel and logistics restrictions. While the disruption caused by the pandemic is currently expected to be temporary, there is uncertainty regarding its duration. Therefore, while the COVID-19 outbreak is expected to impact the Company’s results of operations, financial position, and liquidity, the duration and intensity of the impact of the COVID-19 outbreak and resulting disruption to the Company’s operations is uncertain. The Company will continue to monitor the situation closely and assess the impact on its operations and financial results for the remainder of the year.

Subsequent to year end, the Company financed two Cobalt-60 reload commitments, as discussed in Note 12 – Commitments and Contingencies, totaling approximately $1,180,000. The Cobalt-60 reloads were performed at existing Gamma Knife customer sites.

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ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis

The estimated fair value of the Company’s assets and liabilities as of December 31, 2019 and 2018 were as follows (in thousands):

	Level 1		Level 2		Level 3		Total		Carrying Value
December 31, 2019
Assets:
Cash, cash equivalents, restricted cash	$	1,779	$	—	$	—	$	1,779	$	1,779
Total	$	1,779	$	—	$	—	$	1,779	$	1,779
Liabilities
Debt obligations	$	—	$	—	$	3,075	$	3,075	$	3,480
Total	$	—	$	—	$	3,075	$	3,075	$	3,480
December 31, 2018
Assets:
Cash, cash equivalents, restricted cash	$	1,792	$	—	$	—	$	1,792	$	1,792
Total	$	1,792	$	—	$	—	$	1,792	$	1,792
Liabilities
Debt obligations	$	—	$	—	$	5,431	$	5,431	$	5,451
Total	$	—	$	—	$	5,431	$	5,431	$	5,451

Schedule of Earnings Per Share, Basic and Diluted

The following table illustrates the computations of basic and diluted earnings per share for the years ended December 31, 2019, 2018 and 2017.

	2019		2018		2017
Numerator for basic and diluted earnings per share	$	659,000	$	1,023,000	$	1,923,000
Denominator:
Denominator for basic and diluted earnings per share – weighted-average shares	5,919,000		5,836,000		5,754,000
Effect of dilutive securities Employee stock options and restricted stock	11,000		17,000		130,000
Denominator for diluted earnings per share – adjusted weighted-average shares	5,930,000		5,853,000		5,884,000
Earnings per common share- basic	$	0.11	$	0.18	$	0.33
Earnings per common share- diluted	$	0.11	$	0.17	$	0.33

Schedule of Domestic and Foreign Break out Percentages

The following table provides a break out of domestic and foreign allocations of revenues and net property and equipment:

	2019		2018		2017
Revenues
Domestic	94	%	96	%	99	%
Foreign	6	%	4	%	1	%
Total	100	%	100	%	100	%

	2019		2018		2017
Property and equipment, net
Domestic	93	%	93	%	93	%
Foreign	7	%	7	%	7	%
Total	100	%	100	%	100	%

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LEASES (Tables)

12 Months Ended

Dec. 31, 2019

Leases [Abstract]

Summary of Maturities of Lessee Operating Lease

The following table summarizes maturities of lessee operating lease ROU assets and liabilities as of December 31, 2019:

Year ending December 31,	Operating Leases
2020	339,000
2021	347,000
2022	332,000
2023	214,000
Thereafter	5,000
Total lease payments	1,237,000
Less imputed interest	(131,000)
Total	$	1,106,000

Future minimum payments under non-cancelable operating leases, net of expected sublease income, having initial terms of more than one year consisted of the following:

Year ending December 31,
2020	$	319,000
2021	312,000
2022	319,000
2023	225,000
2024	5,000
	$	1,180,000

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CONSOLIDATED BALANCE SHEETS [Parenthetical] - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Balance Sheet Parenthetical [Abstract]
Allowance for doubtful accounts (in dollars)	$ 100	$ 100
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	5,817,000	5,714,000
Common stock, shares outstanding	5,817,000	5,714,000

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INCOME TAXES - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Current:
Federal	$ 443	$ 13	$ 55
State	207	389	109
Foreign	130	0	0
Total current	780	402	164
Deferred:
Federal	(311)	259	(1,335)
State	(251)	(210)	68
Foreign	(90)	0	0
Total deferred	(652)	49	(1,267)
Income tax expense (benefit)	$ 128	$ 451	$ (1,103)

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FINANCE LEASES (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Debt Disclosure [Abstract]
2020	$ 4,610
2021	6,312
2022	1,291
2023	846
2024	521
Total finance lease payments	13,580
Less imputed interest	1,694
Gross Minimum Lease Payments	11,886
Less current portion	(3,709)
Net Minimum Lease Payments	$ 8,177

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COMMITMENTS AND CONTINGENCIES (Details Textual) - USD ($)	1 Months Ended		12 Months Ended
	Dec. 20, 2018	Jul. 21, 2017	Dec. 31, 2019	Sep. 06, 2019
Commitments And Contingencies [Line Items]
Commitment period		5 years
Gamma Knife Perfexion System
Commitments And Contingencies [Line Items]
Long-term purchase commitment amount			$ 6,910,000
LINAC system
Commitments And Contingencies [Line Items]
Long-term purchase commitment amount			$ 10,096,000
Commitment period			9 years
Mevion Medical Systems Inc
Commitments And Contingencies [Line Items]
Long-term purchase commitment amount			$ 34,000,000
Deposits for future purchase			$ 2,250,000
Increase in annual service fees	$ 250,000
Purchase agreement annual prepayment				$ 250,000

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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
OPERATING ACTIVITIES
Net income	$ 1,430	$ 1,630	$ 2,940
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	7,411	6,818	6,677
Loss on disposal of assets	0	0	15
Non cash lease expense	256	0	0
Loss on write down investment in equity securities	0	0	579
Amortization of accrued interest on lease financing	0	0	80
Deferred income taxes	(444)	48	(1,266)
Accrued interest on lease financing	29	39	33
Stock-based compensation expense	230	223	323
Interest expense associated with lease liabilities	76	0	0
Changes in operating assets and liabilities:
Receivables	(1,187)	(420)	(860)
Prepaid expenses and other assets	260	(231)	(793)
Accounts payable, accrued liabilities and deferred revenue	28	115	125
Lease liability	(332)	0	0
Income taxes payable	130	0	0
Net insurance proceeds receivable	160	(160)	0
Net cash from operating activities	8,047	8,062	7,853
INVESTING ACTIVITIES
Payment for purchase of property and equipment	(990)	(1,577)	(803)
Proceeds from insurance	0	51	0
Proceeds from sale of equipment	0	0	150
Net cash (used in) investing activities	(990)	(1,526)	(653)
FINANCING ACTIVITIES
Principal payments on long-term debt	(1,980)	(2,467)	(2,314)
Principal payments on finance leases	(4,142)	(4,089)	(4,954)
Distributions to non-controlling interests	(939)	(690)	(666)
Proceeds from warrants and options exercised	42	0	115
Principal payments on short-term financing	(51)	0	0
Net cash (used in) financing activities	(7,070)	(7,246)	(7,819)
Net change in cash and cash equivalents	(13)	(710)	(619)
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, beginning of year	1,792	2,502	3,121
CASH, CASH EQUIVALENTS AND RESTRICTED CASH, end of year	1,779	1,792	2,502
SUPPLEMENTAL CASH FLOW DISCLOSURE
Cash paid for interest	1,318	1,612	1,574
Cash paid for income taxes	397	459	126
SCHEDULE OF NONCASH INVESTING AND FINANCING ACTIVITIES
Acquisition of equipment with lease financing	1,293	1,679	2,153
Acquisition of equipment with long-term debt financing	0	1,853	992
Acquisition of insurance with short-term financing	526	0	0
Interest capitalized to property and equipment	110	115	138
Insurance proceeds receivable and due	0	$ 977	$ 0
Right of use assets and lease liabilities	$ 1,362

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PROPERTY AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property and equipment consists of the following:

	DECEMBER 31,
	2019		2018
Medical equipment and facilities	$	92,132,000	$	94,031,000
Office equipment	594,000		589,000
Deposits and construction in progress	1,965,000		3,832,000
Deposits towards purchase of proton beam systems	2,250,000		2,250,000
	96,941,000		100,702,000
Accumulated depreciation	(55,461,000)		(54,008,000)
Net property and equipment	$	41,480,000	$	46,694,000

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INCOME TAXES (Tables)

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

Schedule of Components of Income Tax Expense (Benefit)

The components of the provision (benefit) for income taxes as of December 31, 2019, 2018 and 2017 consist of the following:

	YEARS ENDED DECEMBER 31,
	2019		2018		2017
Current:
Federal	$	443,000	$	13,000	$	55,000
State	207,000		389,000		109,000
Foreign	130,000		—		—
Total current	780,000		402,000		164,000
Deferred:
Federal	(311,000)		259,000		(1,335,000)
State	(251,000)		(210,000)		68,000
Foreign	(90,000)		—		—
Total deferred	(652,000)		49,000		(1,267,000)
	$	128,000	$	451,000	$	(1,103,000)

Schedule of Deferred Tax Assets and Liabilities

Significant components of the Company’s deferred tax liabilities and assets as of December 31, 2019 and 2018 are as follows:

	DECEMBER 31,
	2019		2018
Deferred tax liabilities:
Property and equipment	$	(3,112,000)	$	(3,566,000)
Total deferred tax liabilities	(3,112,000)		(3,566,000)
Deferred tax assets:
Net operating loss carryforwards	117,000		80,000
Accruals and allowances	248,000		275,000
Tax credits	4,000		194,000
Other – net	229,000		207,000
Capital loss carryover	921,000		948,000
Total deferred tax assets	1,519,000		1,704,000
Valuation allowance	(921,000)		(1,096,000)
Deferred tax assets net of valuation allowance	598,000		608,000
Net deferred tax liabilities	$	(2,514,000)	$	(2,958,000)

Schedule of Amounts Presented in Financial Statements

These amounts are presented in the financial statements as follows:

	DECEMBER 31,
	2019		2018
Deferred income taxes (non-current)	$	(2,514,000)	$	(2,958,000)
	$	(2,514,000)	$	(2,958,000)

Schedule of Effective Income Tax Rate Reconciliation

The (benefit) provision for income taxes differs from the amount computed by applying the U.S. federal statutory tax rate (21% in 2019 and 2018, and 34% in 2017) to income before taxes as follows:

	YEARS ENDED DECEMBER 31,
	2019		2018		2017
Computed expected federal income tax	$	167,000	$	313,000	$	279,000
State income taxes, net of federal benefit	(80,000)		125,000		28,000
Non-deductible expenses	29,000		(12,000)		41,000
Impact of US Tax Reform	—		—		(1,546,000)
Return to Provision True-up	39,000		—		—
Uncertain Tax Positions	80,000		—		—
Change in valuation allowance	(175,000)		34,000		180,000
Other	68,000		(9,000)		(85,000)
	$	128,000	$	451,000	$	(1,103,000)

Schedule of Unrecognized Tax Benefits Roll Forward

A reconciliation of the beginning and ending amount of unrecognized tax benefit is as follows:

	YEARS ENDED DECEMBER 31, 2019
	2019		2018		2017
Balance at beginning of year	$	87,000	$	—	$	—
Additions based on tax positions of prior years	172,000		87,000		—
Balance at end of year	$	259,000	$	87,000	$	—

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CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
CURRENT ASSETS
Cash and cash equivalents	$ 1,429	$ 1,442
Restricted cash	350	350
Trade accounts receivable, net of allowance for doubtful accounts of $100,000 at December 31, 2018 and December 31, 2017	6,894	5,502
Other receivables insurance proceeds	0	1,137
Other receivables	169	239
Prepaid expenses and other current assets	1,900	1,276
Total current assets	10,742	9,946
PROPERTY AND EQUIPMENT, net	41,480	46,694
RIGHT OF USE ASSETS	1,106
OTHER ASSETS	455	862
TOTAL ASSETS	53,783	57,502
CURRENT LIABILITIES
Accounts payable	557	435
Employee compensation and benefits	234	207
Other accrued liabilities	1,304	1,329
Other accrued liabilities insurance payable	0	977
Income taxes payable	130	0
Short term financing	475	0
Current portion of lease liabilities	279
Current portion of long-term debt	1,526	2,119
Current portion of finance leases	3,709	4,407
Total current liabilities	8,214	9,474
LONG-TERM LEASE LIABILITIES, less current portion	827
LONG-TERM DEBT, less current portion	1,954	3,332
LONG-TERM FINANCE LEASES, less current portion	8,177	10,308
DEFERRED REVENUE, less current portion	286	382
DEFERRED INCOME TAXES	2,514	2,958
COMMITMENTS AND CONTINGENCIES (See Note 12)
SHAREHOLDERS’ EQUITY
Common stock, no par value (10,000,000 authorized; Issued and outstanding shares – 5,714,000 at December 31, 2018 and 5,710,000 at December 31, 2017	10,753	10,711
Additional paid-in capital	6,725	6,495
Retained earnings	8,555	7,896
Total equity- American Shared Hospital Services	26,033	25,102
Non-controlling interests in subsidiaries	5,778	5,946
Total shareholders’ equity	31,811	31,048
TOTAL LIABILITIES AND SHAREHOLDERS’ EQUITY	$ 53,783	$ 57,502

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INCOME TAXES (Details Textual) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	$ 128,000	$ 451,000	$ (1,103,000)
Federal statutory income tax rate, percent	21.00%	34.00%
Income tax reconciliation change in net effect in tax rate		$ 1,546,000
Effective income tax rate reconciliation, foreign income tax rate differential, percent	21.00%	21.00%	34.00%
Unrecognized tax benefits	$ 259,000	$ 87,000	$ 0	$ 0
State and local operating loss carryforwards	2,096,000
Valuation allowance, deferred tax asset, increase (decrease)	(175,000)	$ 34,000	$ (303,000)
Amount accrued for income tax penalties and interest accrued	6,000
Peru
Income Tax Disclosure [Line Items]
Income tax expense (benefit)	(104,000)
Domestic Tax Authority
Income Tax Disclosure [Line Items]
International operating loss carryforwards	210,000
Foreign Tax Authority
Income Tax Disclosure [Line Items]
Domestic operating loss carryforwards	3,762,000
State and Local Jurisdiction
Income Tax Disclosure [Line Items]
State and local operating loss carryforwards	$ 199,000

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FINANCE LEASES (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Capital Lease Obligations [Line Items]
Net book value of capital lease obligations	$ 22,860	$ 26,267
Minimum
Capital Lease Obligations [Line Items]
Finance lease obligation interest rate	4.73%
Monthly installments	44 months
Maximum
Capital Lease Obligations [Line Items]
Finance lease obligation interest rate	13.00%
Monthly installments	81 months

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COMMITMENTS AND CONTINGENCIES - Schedule of Long-term Purchase Commitment (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Long-term Purchase Commitment [Line Items]
Total amounts committed	$ 69,688
2020	10,215
2021-2023	54,600
2024	2,595
After 5 years	2,278
Long-term debt (includes interest)
Long-term Purchase Commitment [Line Items]
Total amounts committed	3,922
2020	1,689
2021-2023	1,480
2024	335
After 5 years	418
Finance leases (includes interest)
Long-term Purchase Commitment [Line Items]
Total amounts committed	13,580
2020	4,610
2021-2023	8,449
2024	521
After 5 years	0
Future equipment purchases
Long-term Purchase Commitment [Line Items]
Total amounts committed	40,910
2020	1,750
2021-2023	39,160
2024	0
After 5 years	0
Equipment service contracts
Long-term Purchase Commitment [Line Items]
Total amounts committed	10,096
2020	1,847
2021-2023	4,655
2024	1,734
After 5 years	1,860
Operating leases
Long-term Purchase Commitment [Line Items]
Total amounts committed	1,180
2020	319
2021-2023	856
2024	5
After 5 years	$ 0

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SHAREHOLDERS' EQUITY - Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Restricted Stock Units
Outstanding beginning balance (in shares)	613	615
Outstanding ending balance (in shares)	450	613	615
Grant Date Weighted- Average Fair Value
Grant Date Weighted-Average Fair Value, Granted (in dollars per share)	$ 1.54	$ 1.45	$ 1.50
Restricted Stock Units (RSUs)
Restricted Stock Units
Outstanding beginning balance (in shares)	4	4
Granted (in shares)	36	35
Vested (in shares)	(37)	(35)
Outstanding ending balance (in shares)	3	4	4
Grant Date Weighted- Average Fair Value
Grant Date Weighted-Average Fair Value, Outstanding (in dollars per share)	$ 2.68	$ 3.77
Grant Date Weighted-Average Fair Value, Granted (in dollars per share)	2.50	2.56
Grant Date Weighted-Average Fair Value, Vested (in dollars per share)	2.47	2.69
Grant Date Weighted-Average Fair Value, Outstanding (in dollars per share)	3.03	2.68	$ 3.77
Intrinsic Value
Intrinsic Value, Outstanding (in dollars per share)	0	0
Intrinsic Value, Granted (in dollars per share)	0	0
Intrinsic Value, Vested (in dollars per share)	0	0
Intrinsic Value, Outstanding (in dollars per share)	$ 0	$ 0	$ 0

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RETIREMENT PLAN (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Retirement Benefits [Abstract]
Employer matching contribution, percent of employee gross pay	4.00%
Cost of contribution	$ 38	$ 27	$ 29

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INVESTMENT IN EQUITY SECURITIES

12 Months Ended

Dec. 31, 2019

Investments, All Other Investments [Abstract]

INVESTMENT IN EQUITY SECURITIES

INVESTMENT IN EQUITY SECURITIES

As of December 31, 2019 and 2018 the Company had a $0 investment in the common stock of Mevion. The Company previously accounted for this investment under the cost method. The Company previously carried its investment in Mevion at cost and reviewed it for impairment on a quarterly basis, or as events or circumstances might have indicated that the carrying value of the investment may not be recoverable.

Based on guidance provided in ASC 320 Investments–Debt and Equity Securities (“ASC 320”) and Staff Accounting Bulletins (“SAB”) Topic 5M Other Than Temporary Impairment (“OTTI”) of Certain Investments in Equity Securities (“SAB Topic 5M”), the Company analyzed the related events of Mevion, that occurred in the second and third quarters of 2015 and its impact on the Company’s investment. The Company determined that these circumstances indicated a decline in value of its Mevion investment that was other-than-temporary and concluded that a write-down of the carrying value should be recognized. As of June 30, 2015, the Company adjusted its investment in Mevion to the estimated fair value of $600,000 and recorded a $2,114,000 impairment loss. The $2,114,000 other than temporary impairment of its investment in Mevion is recorded in other income (loss) on the Company’s Consolidated Statement of Operations.

During the period ended December 31, 2015, the Company engaged a third-party expert to review and corroborate its assessment of the fair value of the Mevion investment. Based on the third-party analysis, an additional impairment loss of $26,000 was recognized by the Company during the three months ended December 31, 2015. The fair value of the Company’s investment in Mevion, as of December 31, 2015 was approximately $579,000. The impairment loss for the year ended December 31, 2015 was $2,140,000.

During the year ended December 31, 2017, the Company reviewed its investment in Mevion and determined the fair value of its investment was $0. Based on the Company’s assessment of its investment in Mevion, the Company recognized an impairment loss for the year then ended December 31, 2017 of $579,000. During 2018, Mevion entered into a merger transaction with Mevion Medical Technology Group Limited, and the Company’s common shares in Mevion were cancelled.

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INCOME TAXES

12 Months Ended

Dec. 31, 2019

Income Tax Disclosure [Abstract]

INCOME TAXES

INCOME TAXES

As of December 31, 2019, 2018 and 2017 the Company recorded income tax provision expense of $128,000, $451,000, and an income tax provision benefit of $1,103,000, respectively. The decrease in the Company’s provision for income taxes as of December 31, 2019 is due to a decrease in income from the Company's Gamma Knife operations and the release of a valuation allowance related to the Company's Gamma Knife operations in Peru. The increase in the Company's provision for income taxes as of December 31, 2018 is due to income from the PBRT system and operations of the Company’s subsidiaries. The income tax provision benefit recognized as of December 31, 2017 was due to the Tax Act.

On December 22, 2017, the U.S. government enacted comprehensive tax legislation commonly referred to as the Tax Cuts and Jobs Act (the “Tax Act”). The Tax Act makes broad and complex changes to the U.S. tax code that affect fiscal 2018, including, but not limited to requiring a one-time transition tax on certain unrepatriated earnings of foreign subsidiaries that is payable over eight years. The Tax Act also establishes new tax laws that will affect 2018 and later years, including, but not limited to, a reduction of the U.S. federal corporate tax rate from 34% to 21%, a general elimination of U.S. federal income taxes on dividends from foreign subsidiaries, net operating loss deduction limitations, a base erosion, anti-tax abuse tax and a deduction for foreign-derived intangible income and a new provision designed to tax global intangible low-taxed income. As a result of the Tax Act, the Company revalued its federal and state deferred tax liabilities based on a 21% tax rate as opposed to a 34% tax rate. The net effect of this change on the Company’s income tax provision for the year ended December 31, 2017 was a tax benefit of $1,546,000.

The components of the provision (benefit) for income taxes as of December 31, 2019, 2018 and 2017 consist of the following:

	YEARS ENDED DECEMBER 31,
	2019		2018		2017
Current:
Federal	$	443,000	$	13,000	$	55,000
State	207,000		389,000		109,000
Foreign	130,000		—		—
Total current	780,000		402,000		164,000
Deferred:
Federal	(311,000)		259,000		(1,335,000)
State	(251,000)		(210,000)		68,000
Foreign	(90,000)		—		—
Total deferred	(652,000)		49,000		(1,267,000)
	$	128,000	$	451,000	$	(1,103,000)

Significant components of the Company’s deferred tax liabilities and assets as of December 31, 2019 and 2018 are as follows:

	DECEMBER 31,
	2019		2018
Deferred tax liabilities:
Property and equipment	$	(3,112,000)	$	(3,566,000)
Total deferred tax liabilities	(3,112,000)		(3,566,000)
Deferred tax assets:
Net operating loss carryforwards	117,000		80,000
Accruals and allowances	248,000		275,000
Tax credits	4,000		194,000
Other – net	229,000		207,000
Capital loss carryover	921,000		948,000
Total deferred tax assets	1,519,000		1,704,000
Valuation allowance	(921,000)		(1,096,000)
Deferred tax assets net of valuation allowance	598,000		608,000
Net deferred tax liabilities	$	(2,514,000)	$	(2,958,000)

These amounts are presented in the financial statements as follows:

	DECEMBER 31,
	2019		2018
Deferred income taxes (non-current)	$	(2,514,000)	$	(2,958,000)
	$	(2,514,000)	$	(2,958,000)

The (benefit) provision for income taxes differs from the amount computed by applying the U.S. federal statutory tax rate (21% in 2019 and 2018, and 34% in 2017) to income before taxes as follows:

	YEARS ENDED DECEMBER 31,
	2019		2018		2017
Computed expected federal income tax	$	167,000	$	313,000	$	279,000
State income taxes, net of federal benefit	(80,000)		125,000		28,000
Non-deductible expenses	29,000		(12,000)		41,000
Impact of US Tax Reform	—		—		(1,546,000)
Return to Provision True-up	39,000		—		—
Uncertain Tax Positions	80,000		—		—
Change in valuation allowance	(175,000)		34,000		180,000
Other	68,000		(9,000)		(85,000)
	$	128,000	$	451,000	$	(1,103,000)

On December 22, 2017, the U.S. government enacted the Tax Act. The Tax Act makes broad and complex changes to the U.S. tax code including, but not limited to, requiring a one-time transition tax on certain unrepatriated earnings of foreign subsidiaries that is payable over eight years (the “Transition Tax”), a reduction of the U.S. federal corporate tax rate from 34% to 21%, a general elimination of U.S. federal income taxes on dividends from foreign subsidiaries, net operating loss deduction limitations, a base erosion, anti-tax abuse tax (“BEAT”) and a deduction for foreign-derived intangible income (“FDII”) and a new provision designed to tax global intangible low-taxed income (“GILTI”).

In December 31, 2017, the SEC staff issued SAB No. 118 (“SAB 118”) which provides guidance on accounting for the tax effects of the Tax Act. SAB 118 provides a measurement period that should not extend beyond one year from the Tax Act enactment date for companies to complete the accounting under ASC 740 Income taxes (“ASC 740”). In accordance with SAB 118 a company must reflect the income tax effects of those aspects of the Tax Act for which the accounting under ASC 740 is complete. To the extent that a company’s accounting for certain income tax effects of the Tax Act is incomplete but it is able to determine a reasonable estimate, it must record a provisional estimate in the financial statements. Additional work is necessary for a more detailed analysis of our deferred tax assets and liabilities. Any subsequent adjustment to these amounts would be recorded to current tax expense in the quarter of 2018 when the analysis was complete. We included a provisional estimate in the financial statements for the period ended December 31, 2017, as our accounting for the Tax Act under ASC 740 was not completed. As of December 31, 2018, the Company completed its analysis of the income tax effects of the Tax Act and there was no material impact to the Company’s consolidated financial statements.

Beginning in 2018, the GILTI provisions in the Tax Act require us to include, in our U.S. income tax return, foreign subsidiary earnings in excess of an allowable return on the foreign subsidiary’s tangible assets. Per guidance issued by the FASB, companies can either account for deferred taxes related to GILTI or treat tax arising from GILTI as a period cost. Both are acceptable methods subject to an accounting policy election. On December 31, 2018, we finalized our policy and have elected to use the period cost method for GILTI. In 2019, the Company did not have any material adjustments for GILTI.

The BEAT provisions in the Tax Act eliminate the deduction of certain base-erosion payments made to related foreign corporations, and impose a minimum base erosion anti-abuse tax if greater than regular tax. In 2019, our Company was not subject to BEAT as it did not meet the requirements to be subject to BEAT.

At December 31, 2019, the Company exhausted the remainder of its net operating loss carryforward for federal income tax return purposes. The Company has net operating loss carryforwards for state income tax purposes of approximately $2,096,000 that begin to expire in 2029. The Company has net operating loss carryforwards for its international subsidiaries of approximately $210,000.

Utilization of the net operating loss and credit carryforwards may be subject to an annual limitation due to the ownership change limitations provided by the Internal Revenue Code of 1986, as amended (the “Code”), and similar state provisions. Any annual limitation may result in the expiration of net operating losses and credits before utilization.

At December 31, 2019, the Company has a capital loss carryforward for federal income tax return purposes of approximately $3,762,000 which starts to expire in 2020. The Company has capital loss carryforwards for state income tax purposes of approximately $199,000 which starts to expire in 2020.

Due to uncertainty surrounding the realization of impairment losses, capital losses and foreign operating losses in future years, the Company has placed a valuation allowance against a portion of its net domestic and foreign deferred tax assets. The net valuation allowance decreased by $175,000, increased by $34,000, and decreased by $303,000 for the tax years ended December 31, 2019, 2018, and 2017, respectively.

During the year ended December 31, 2019, the Company released the valuation allowance related to GKPeru deferred tax assets, which resulted in an income tax benefit of $104,000. The Company concluded, based upon the preponderance of positive evidence (i.e. cumulative profit before tax adjusted for permanent items over the previous twelve quarters, a history of taxable income in recent periods, and the current forecast of income before taxes for GKPeru going forward) over negative evidence and the anticipated ability to use the deferred tax assets, that it was more likely than not that the deferred tax assets will be realized. If there are unfavorable changes to actual operating results or to projections of future income, the Company may determine that it is more likely than not such deferred tax assets may not be realizable.

The tax return years 2015 through 2018 remain open to examination by the major domestic taxing jurisdictions to which the Company is subject. In 2019, the Company settled a New York State examination for tax years 2015 through 2017 with no material adjustments. Net operating losses generated on a tax return basis by the Company for calendar years 1999 through 2004, 2009, 2010, 2012, 2014, 2015, 2016, 2017, 2018 and 2019 remain open to examination by the major domestic taxing jurisdictions.

The Company has adopted accounting standards which prescribe a recognition threshold and measurement attribute for the financial statement recognition and measurement of uncertain tax positions taken or expected to be taken in a company's income tax return, and also provides guidance on derecognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition. Additionally, these accounting standards specify that tax positions for which the timing of the ultimate resolution is uncertain should be recognized as long-term liabilities. The Company has made no reclassifications between current taxes payable and long term taxes payable under this guidance.

As of December 31, 2019, the unrecognized tax benefit was $259,000 which, if recognized, will not affect the annual effective tax rate as these unrecognized tax benefits would increase deferred tax assets which would be subject to a full valuation allowance. A reconciliation of the beginning and ending amount of unrecognized tax benefit is as follows:

	YEARS ENDED DECEMBER 31, 2019
	2019		2018		2017
Balance at beginning of year	$	87,000	$	—	$	—
Additions based on tax positions of prior years	172,000		87,000		—
Balance at end of year	$	259,000	$	87,000	$	—

The Company's policy for deducting interest and penalties is to treat interest as interest expense and penalties as taxes. As of December 31, 2019, the Company had $6,000 accrued for the payment of penalties and zero interest related to unrecognized tax benefits. The Company does not expect any material changes to our uncertain tax positions within the next 12 months.

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COMMITMENTS AND CONTINGENCIES

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

COMMITMENTS AND CONTINGENCIES

COMMITMENTS AND CONTINGENCIES

On December 20, 2018, the Company signed Second Amendments to two System Build Agreements (the “Amendments”) for the Company’s second and third Mevion PBRT units. The Company and Mevion have agreed to upgrade the second and third PBRT units for which the Company has purchase commitments. The Company is actively seeking sites for these units but, to date, has not entered into agreements with any party for either placement of a PBRT unit or the related financing. The Company projects that it will be required to commence delivery of the second and third PBRT units no later than 2023. In the event the Company is unable to enter into customer agreements within the requisite time frame or receive an extension from Mevion, the Company could forfeit its deposits, which are described below.

As of December 31, 2019, the Company had commitments, after deposits, to purchase two MEVION S250i PBRT systems for $34,000,000 and the Company had $2,250,000 in non-refundable deposits toward the purchase of these two PBRT systems from Mevion. The non-refundable deposits are recorded in the Consolidated Balance Sheets as deposits and construction in progress.

As of December 31, 2019, the Company had commitments to perform five Cobalt-60 reloads and install five Leksell Gamma Knife Icon Systems ("Icon") at existing customer sites, and purchase one LINAC system, to be placed at a new customer site. The Cobalt-60 reloads, Icon upgrades, and LINAC purchase are scheduled to occur between 2020 and 2022. Total Gamma Knife and LINAC commitments as of December 31, 2019 were $6,910,000. Two of the five Cobalt-60 reloads were completed and financed during the first quarter of 2020. It is the Company’s intent to finance the remaining commitments. There are no significant cash requirements, pending financing, for these commitments in the next 12 months. There can be no assurance that financing will be available for the Company’s current or future projects, or at terms that are acceptable to the Company. 

On July 21, 2017, the Company entered into a Maintenance and Support Agreement (the “Mevion Service Agreement”) with Mevion, which provides for maintenance and support of the Company’s PBRT unit at Orlando Health. The Mevion Service Agreement began September 5, 2017 and renews annually. The agreement requires an annual prepayment of $1,562,000 which was made on September 6, 2019 for the current contractual period. This payment portion was recorded as a prepaid contract and will be amortized over the one-year service period. The Mevion Service Agreement is for a five (5) year period. On December 20, 2018, the Company signed a Second Amendment to the Mevion Service Agreement, where the Company agreed to increase the annual service payment by $250,000, effective for the second service year, and for each year thereafter. The Company paid the additional $250,000 of the annual service payment owed for the second service year on September 6, 2019.

As of December 31, 2019, the Company had commitments to service and maintain its Gamma Knife and PBRT equipment. The service commitments are carried out via contracts with Mevion, Elekta and Mobius Imaging, LLC. In addition, in April 2019, the Company signed agreements to service the Icon upgrades which will be installed at various dates between 2020 and 2022. The Company’s commitment to purchase a LINAC system also includes a 9-year agreement to service the equipment. Total service commitments as of December 31, 2019 were $10,096,000. The Gamma Knife and certain other service contracts are paid monthly, as service is performed. The Company believes that cash flow from cash on hand and operations will be sufficient to cover these payments.

The Company estimates the following commitments for each of the equipment systems, with expected timing of payments as follows as of December 31, 2019:

	Total amounts committed		2020		2021-2023		2024		After 5 years
Long-term debt (includes interest)	$	3,922,000	$	1,689,000	$	1,480,000	$	335,000	$	418,000
Finance leases (includes interest)	13,580,000		4,610,000		8,449,000		521,000		—
Future equipment purchases	40,910,000		1,750,000		39,160,000		—		—
Equipment service contracts	10,096,000		1,847,000		4,655,000		1,734,000		1,860,000
Operating leases	1,180,000		319,000		856,000		5,000		—
Total Commitments	$	69,688,000	$	10,215,000	$	54,600,000	$	2,595,000	$	2,278,000

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ACCOUNTING POLICIES (Details Textual) - USD ($) $ / shares in Units, shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Jan. 01, 2019
Accounting Policies [Line Items]
Advertising expense	$ 144,000	$ 113,000	$ 140,000
Interest costs capitalized	110,000	115,000	138,000
Original cost of operating lease contracts	92,135,000	94,031,000
Accumulated depreciation	55,148,000	53,716,000
Insurance coverage receivable	0	1,137,000
Revenue recognized, including assessed tax	19,396,000
Revenue recognized, excluding assessed tax	$ 20,605,000	$ 19,714,000	$ 19,556,000
Percentage of tax benefit realized upon settlement	50.00%
Asset retirement obligation liability	$ 0
Antidilutive securities excluded from computation of earnings per share (in shares)	387	519	14
Operating lease, liability	$ 1,106,000
Operating lease, right-of-use asset	1,106,000
Mevion Medical Systems Inc
Accounting Policies [Line Items]
Gain on business interruption insurance recovery	$ 185,000
Medical Services Revenues
Accounting Policies [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%
Customer One | Medical Services Revenues
Accounting Policies [Line Items]
Concentration risk, percentage	30.00%	26.00%	21.00%
Restricted Stock Units (RSUs)
Accounting Policies [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	3	4	4
Accounting Standards Update 2014-09
Accounting Policies [Line Items]
Revenue recognized, excluding assessed tax	$ 1,209,000
Accounting Standards Update 2016-02
Accounting Policies [Line Items]
Operating lease, liability				$ 1,362,000
Operating lease, right-of-use asset				$ 1,362,000
PBRT
Accounting Policies [Line Items]
Property equipment, useful life	20 years
Mevion Medical Systems Inc
Accounting Policies [Line Items]
Cost of repairs	$ 977,000
Mevion Medical Systems Inc | Insurance Settlement Receivable Current
Accounting Policies [Line Items]
Cost of repairs	$ 977,000
Maximum
Accounting Policies [Line Items]
Stock options exercise price (in dollars per share)	$ 3.90	$ 3.90
Maximum | Medical and Office equipment
Accounting Policies [Line Items]
Property equipment, useful life	10 years
Minimum
Accounting Policies [Line Items]
Stock options exercise price (in dollars per share)	$ 2.68	$ 2.82	$ 3.90
Minimum | Customer Three | Accounts Receivable
Accounting Policies [Line Items]
Concentration risk, percentage	10.00%	10.00%
Minimum | Medical and Office equipment
Accounting Policies [Line Items]
Property equipment, useful life	3 years

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BUSINESS AND BASIS OF PRESENTATION (Details Textual)	Dec. 31, 2019
OR21 LLC
Equity method investment, ownership percentage	50.00%
Architectural Design Company
Equity method investment, ownership percentage	50.00%

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BUSINESS AND BASIS OF PRESENTATION

12 Months Ended

Dec. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

BUSINESS AND BASIS OF PRESENTATION

BUSINESS AND BASIS OF PRESENTATION

Business – These consolidated financial statements include the accounts of American Shared Hospital Services (the “Company”) and its subsidiaries as follows: the Company wholly-owns the subsidiaries American Shared Radiosurgery Services (“ASRS”) , PBRT Orlando, LLC (“Orlando”), OR21, Inc., and MedLeader.com, Inc. (“MedLeader”). The Company is also the majority owner of Long Beach Equipment, LLC (“LBE”). ASRS is the majority-owner of GK Financing, LLC (“GKF”) which wholly-owns the subsidiary Instituto de Gamma Knife del Pacifico S.A.C. (“GKPeru”). GKF is also the majority-owner of the subsidiaries Albuquerque GK Equipment, LLC (“AGKE”), and Jacksonville GK Equipment, LLC (“JGKE”).

The Company (through ASRS) and Elekta AG (“Elekta”), the manufacturer of the Gamma Knife (through its wholly-owned United States subsidiary, GKV Investments, Inc.), entered into an operating agreement and formed GKF. During 2019 GKF provided Gamma Knife units to fifteen medical centers in the United States in the states of Arkansas, California, Florida, Illinois, Indiana, Massachusetts, Mississippi, Nebraska, New Mexico, New York, Ohio, Oregon, Tennessee, and Texas. GKF also owns and operates a single-unit Gamma Knife facility in Lima, Peru.

The Company through its wholly-owned subsidiary, Orlando, provided proton beam radiation therapy (“PBRT”) and related equipment to a customer in the United States. The Company also directly provides radiation therapy and related equipment, including Intensity Modulated Radiation Therapy (“IMRT”), Image Guided Radiation Therapy (“IGRT”) and a CT Simulator to the radiation therapy department at an existing Gamma Knife site in Massachusetts.

The Company formed the subsidiaries GKPeru and GK Financing U.K. Limited (“GKUK”) for the purposes of expanding its business internationally; Orlando and LBE to provide proton beam therapy equipment and services in Orlando, Florida and Long Beach, California; and AGKE and JGKE to provide Gamma Knife equipment and services in Albuquerque, New Mexico and Jacksonville, Florida, respectively. AGKE began operations in the second quarter of 2011 and JGKE began operations in the fourth quarter of 2011. Orlando treated its first patient in April 2016. GKPeru treated its first patient in July 2017. LBE is not expected to generate revenue within the next two years. GKUK was dissolved in November 2018.

The Company continues to develop its design and business model for The Operating Room for the 21st Century^SM through its 50% owned OR21, LLC (“OR21”). The remaining 50% of OR21 is owned by an architectural design company. OR21 is not expected to generate significant revenue within the next two years.

MedLeader was formed to provide continuing medical education online and through videos for doctors, nurses, and other healthcare workers. This subsidiary is not operational at this time.

All significant intercompany accounts and transactions have been eliminated in consolidation.

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OPERATING LEASES (Tables)

12 Months Ended

Dec. 31, 2019

Leases, Operating [Abstract]

Schedule of Future Minimum Rental Payments for Operating Leases

The following table summarizes maturities of lessee operating lease ROU assets and liabilities as of December 31, 2019:

Year ending December 31,	Operating Leases
2020	339,000
2021	347,000
2022	332,000
2023	214,000
Thereafter	5,000
Total lease payments	1,237,000
Less imputed interest	(131,000)
Total	$	1,106,000

Future minimum payments under non-cancelable operating leases, net of expected sublease income, having initial terms of more than one year consisted of the following:

Year ending December 31,
2020	$	319,000
2021	312,000
2022	319,000
2023	225,000
2024	5,000
	$	1,180,000

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STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues:
Revenues	$ 20,605	$ 19,714	$ 19,556
Costs of revenue:
Maintenance and supplies	2,618	2,399	1,359
Depreciation and amortization	7,341	6,745	6,601
Other direct operating costs	3,726	3,084	2,933
Costs and expenses	13,685	12,228	10,893
Gross margin	6,920	7,486	8,663
Selling and administrative expense	4,060	3,994	4,323
Interest expense	1,318	1,631	1,927
Operating income	1,542	1,861	2,413
Proceeds received from investment in equity securities	0	22	0
Loss on write down investment in equity securities	0	0	579
Interest and other income	16	198	3
Income before income taxes	1,558	2,081	1,837
Income tax expense (benefit)	128	451	(1,103)
Net income	1,430	1,630	2,940
Less: net income attributable to non-controlling interests	(771)	(607)	(1,017)
Net income attributable to American Shared Hospital Services	$ 659	$ 1,023	$ 1,923
Net income per share attributable to American Shared Hospital Services:
Income per common share- basic (in USD per share)	$ 0.11	$ 0.18	$ 0.33
Income per common share- diluted (in USD per share)	$ 0.11	$ 0.17	$ 0.33
Health Care
Revenues:
Revenues	$ 20,605	$ 19,714	$ 19,556

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ACCOUNTING POLICIES (Policies)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Use of estimates in the preparation of financial statements

Use of estimates in the preparation of financial statements – In preparing the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America, management makes estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the consolidated financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Significant accounting estimates reflected in the Company’s consolidated financial statements include the estimated useful lives of fixed assets and its salvage values, revenues and costs of sales for turn-key and revenue sharing arrangements.  Actual results could differ from those estimates.

Advertising costs

Advertising costs – The Company expenses advertising costs as incurred. Advertising costs were $144,000, $113,000, and $140,000 during the years ended December 31, 2019, 2018 and 2017, respectively. Advertising costs are recorded in other direct operating costs and sales and administrative costs in the consolidated statements of operations.

Cash and cash equivalents

Cash and cash equivalents – The Company considers all liquid investments with original maturities of three months or less at the date of purchase to be cash equivalents. Restricted cash is not considered a cash equivalent for purposes of the consolidated statements of cash flows.

Restricted cash

Restricted cash – Restricted cash represents the minimum cash that must be maintained in GKF to fund operations, per the subsidiary’s operating agreement, and the minimum cash that must be maintained in Orlando per the subsidiary’s financing agreement.

Business and credit risk

Business and credit risk – The Company maintains its cash balances, which exceed federally insured limits, in financial institutions. The Company believes it is not exposed to any significant credit risk on cash, cash equivalents. The Company monitors the financial condition of the financial institutions it uses on a regular basis.

All of the Company’s revenue was provided by seventeen, eighteen, and twenty customers in 2019, 2018, and, 2017, respectively. One customer accounted for approximately 30%, 26%, and 21% of the Company’s total revenue in 2019, 2018, and, 2017, respectively. At December 31, 2019 and 2018, three customers each individually accounted for more than 10% of total accounts receivable, respectively. The Company performs credit evaluations of its customers and generally does not require collateral. The Company has not experienced significant losses related to receivables from individual customers or groups of customers in any particular geographic area.

All of the Company’s radiosurgery devices have been purchased through Elekta, to date. However, there are other manufacturers that also make radiosurgery devices.

Accounts receivable and doubtful accounts

Accounts receivable and doubtful accounts – Accounts receivable are recorded at net realizable value. An allowance for doubtful accounts is estimated based on historical collections plus an allowance for probable losses. Receivables are considered past due based on contractual terms and are charged off in the period that they are deemed uncollectible. Recoveries of receivables previously charged off are offset against bad debt expense when received.

Non-controlling interests

Non-controlling interests - The Company reports its non-controlling interests as a separate component of shareholders’ equity. The Company also presents the consolidated net income and the portion of the consolidated net income allocable to the non-controlling interests and to the shareholders of the Company separately in its consolidated statements of operations.

Property and equipment

Property and equipment – Property and equipment are stated at cost less accumulated depreciation. Depreciation for Gamma Knife, IGRT, and other equipment is determined using the straight-line method over the estimated useful lives of the assets, which for medical and office equipment is generally 3 – 10 years, and after accounting for salvage value on the equipment where indicated. Salvage value is based on the estimated fair value of the equipment at the end of its useful life.

Depreciation for PBRT and related equipment is determined using the modified units of production method, which is a function of both time and usage of the equipment. This depreciation method allocates costs considering the projected volume of usage through the useful life of the PBRT unit, which has been estimated at 20 years. The estimated useful life of the PBRT unit is consistent with the estimated economic life of 20 years.

The Company capitalizes interest incurred on property and equipment that is under construction, for which deposits or progress payments have been made. When a rate is not readily available, imputed interest is calculated using the Company’s incremental borrowing rate. The interest capitalized for property and equipment is the portion of interest cost incurred during the acquisition periods that could have been avoided if expenditures for the equipment had not been made. The Company capitalized interest of $110,000, $115,000, and $138,000 in 2019, 2018, and, 2017, respectively, as costs of medical equipment.

The Company leases Gamma Knife and radiation therapy equipment to its customers under arrangements typically accounted for as operating leases. At December 31, 2019, the Company held equipment under operating lease contracts with customers with an original cost of $92,135,000 and accumulated depreciation of $55,148,000. At December 31, 2018, the Company held equipment under operating lease contracts with customers with an original cost of $94,031,000 and accumulated depreciation of $53,716,000.

In April 2017, an existing customer exercised their option to purchase the Gamma Knife unit at its hospital at the end of the lease term for a predetermined purchase price, pursuant to the lease agreement. The lease terminated in April 2017, at which time, the unit was depreciated to the purchase price of the sale. Based on the guidance provided in Accounting Standards Codification (“ASC”) 360 Property, Plant and Equipment (“ASC 360”), the Company did not classify or measure the asset as held for sale prior to the lease termination, because the Gamma Knife unit was not available for immediate sale.

During the year ended December 31, 2018, the Company recorded a receivable of $1,137,000 for insurance coverage related to damage that was incurred on the Company’s PBRT unit. The Company contracted with Mevion Medical Systems, Inc. (“Mevion”), formerly Still River Systems, to repair the damaged unit and incurred repair costs of approximately $977,000, which is included in the Company’s consolidated balance sheet for the year ended December 31, 2018. The Company recorded $185,000 of income from its business interruption insurance for the period the PBRT unit was down undergoing repair. All insurance proceeds and related costs were received and paid during the year ended December 31, 2019.

Fair value of financial instruments

Fair value of financial instruments – The Company’s disclosures of the fair value of financial instruments is based on a fair value hierarchy which prioritizes the inputs to the valuation techniques used to measure fair value into three levels. Level 1 inputs are unadjusted quoted market prices in active markets for identical assets and liabilities that the Company has the ability to access at the measurement date. Level 2 inputs are inputs other than quoted prices within Level 1 that are observable for the asset or liability, either directly or indirectly. Level 3 inputs are unobservable inputs for assets or liabilities, and reflect the Company’s own assumptions about the assumptions that market participants would use in pricing the asset or liability.

Revenue recognition

Revenue recognition - The Company recognizes revenues under ASC 842 Leases (“ASC 842”) and ASC 606 Revenue from Contracts with Customers (“ASC 606”).

Rental income from medical services – The Company recognizes revenues under ASC 842 when services have been rendered and collectability is reasonably assured, on either a fee per use or revenue sharing basis. The terms of the contracts do not contain any guaranteed minimum payments. The Company’s contracts are typically for a ten-year term and are classified as either fee per use or retail. Retail arrangements are further classified as either turn-key or revenue sharing. Revenues from fee per use contracts is determined by each hospital’s contracted rate. Revenues are recognized at the time the procedures are performed, based on each hospital’s contracted rate and the number of procedures performed. Under revenue sharing arrangements, the Company receives a contracted percentage of the reimbursement received by the hospital. The amount the Company expects to receive is recorded as revenue and estimated based on historical experience. Revenue estimates are reviewed periodically and adjusted as necessary. Under turn-key arrangements, the Company receives payment from the hospital in the amount of the hospital’s reimbursement from third party payors, and the Company is responsible for paying all the operating costs of the equipment. Operating costs are determined primarily based on historical treatment protocols and cost schedules with the hospital. The Company records an estimate of operating costs which are reviewed on a regular basis and adjusted as necessary to more accurately reflect the actual operating costs. For turn-key sites, the Company also shares a percentage of net operating profit. The Company records an estimate of net operating profit based on estimated revenues, less estimated operating costs. The operating costs and estimated net operating profit are recorded as other direct operating costs in the consolidated statement of operations. For the year ended December 31, 2019, the Company recognized revenues of approximately $19,396,000 under ASC 842.

Patient income – The Company has a stand-alone facility in Lima, Peru, where a contract exists between GKPeru and the individual patient treated at the facility. Under ASC 606, the Company acts as the principal in this transaction and provides, at a point in time, a single performance obligation, in the form of a Gamma Knife treatment. Revenue related to a Gamma Knife treatment is recognized on a gross basis at the time when the patient receives treatment. There is no variable consideration present in the Company’s performance obligation and the transaction price is agreed upon per the stated contractual rate. Payment terms are typically prepaid for self-pay patients and insurance provider payments are paid net 30 days. The Company did not capitalize any incremental costs related to the fulfillment of its customer contracts. Accounts receivable earned by GKPeru were not significant for the year ended December 31, 2019. For the year ended December 31, 2019, the Company recognized revenues of approximately $1,209,000 under ASC 606.

Stock-based compensation

Stock-based compensation – The Company measures all stock-based compensation awards at fair value and records such expense in its consolidated financial statements over the requisite service period of the related award. See Note 9 for additional information on the Company’s stock-based compensation programs.

Costs of revenue

Costs of revenue – The Company's costs of revenue consist primarily of maintenance and supplies, depreciation and amortization, and other operating expenses (such as insurance, property taxes, sales taxes, marketing costs and operating costs from the Company’s retail sites). Costs of revenues are recognized as incurred.

Sales and Marketing

Sales and Marketing – The Company markets its services through its preferred provider status with Elekta and a direct sales effort led by its Vice President of Sales and Business Development and its Chief Operating Officer. The Company’s current business is the outsourcing of stereotactic radiosurgery services and radiation therapy services.

The Company typically provides the equipment, as well as planning, installation, reimbursement and marketing support services.

Income taxes

Income taxes – The Company accounts for income taxes using the asset and liability method. Under this method, deferred tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities and are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse.

The Company accounts for uncertainty in income taxes as required by the provisions of ASC 740 Income taxes (“ASC 740”), which clarifies the accounting for uncertainty in income taxes recognized in an enterprise’s financial statements. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to estimate and measure the tax benefit as the largest amount that is more than 50% likely of being realized upon ultimate settlement. It is inherently difficult and subjective to estimate such amounts, as this requires the Company to determine the probability of various possible outcomes. The Company considers many factors when evaluating and estimating the Company’s tax positions and tax benefits, which may require periodic adjustments and may not accurately anticipate actual outcomes.

See Note 8 for further discussion on income taxes.

Functional currency

Functional currency – Based on guidance provided in accordance with ASC 830, Foreign Currency Matters (“ASC 830”), the Company analyzes its operations outside the United States to determine the functional currency of each operation. Management has determined that these operations are initially accounted for in U.S. dollars since the primary transactions incurred are in U.S. dollars and the Company provides significant funding towards the startup of the operation. When Management determines that an operation has become predominantly self-sufficient, the Company will change its accounting for the operation to the local currency from the U.S. dollar. The Company analyzed it’s Gamma Knife site in Peru under ASC 830 as of December 31, 2019 and concluded the functional currency was the U.S. dollar. As facts and circumstances change, the Company will revisit this conclusion.

Asset Retirement Obligations

Asset Retirement Obligations – Based on the guidance provided in ASC 410 Asset Retirement Obligations (“ASC 410”), the Company analyzed its existing lease agreements and determined an asset retirement obligation (“ARO”) exists to remove the respective units at the end of the lease terms. The fair value of the ARO liability is not reasonable to estimate at this time, due to uncertainties about timing, cost and, outcome of the ARO, therefore no liability has been recorded as of December 31, 2019. The Company will re-evaluate this position on a periodic basis when facts and circumstances change that could affect this conclusion.

Earnings per share

Earnings per share – Basic earnings per share excludes dilution and is computed by dividing income available to common shareholders by the weighted average number of common shares outstanding for the year. The fully vested restricted stock units not issued and outstanding, are also included therein. Diluted earnings per share reflect the potential dilution that could occur if common shares were issued pursuant to the exercise of options or warrants.

Business segment information

Business segment information - Based on the guidance provided in accordance with ASC 280 Segment Reporting (“ASC 280”), the Company has analyzed its subsidiaries which are all in the business of leasing radiosurgery and radiation therapy equipment to healthcare providers, and concluded there is one reportable segment. The Company provides Gamma Knife, PBRT, and IGRT equipment to sixteen hospitals in the United States and owns and operates a single-unit facility in Lima, Peru as of December 31, 2019. These seventeen locations operate under different subsidiaries of the Company, but offer the same service, radiosurgery and radiation therapy. The operating results of the subsidiaries are reviewed by the Company’s Chief Executive Officer and Chief Financial Officer, who are also deemed the Company’s Chief Operating Decision Makers (“CODMs”) and this is done in conjunction with all of the subsidiaries and locations.

Long lived asset impairment

Long lived asset impairment – The Company assesses the recoverability of its long-lived assets when events or changes in circumstances indicate their carrying value may not be recoverable. Such events or changes in circumstances may include: a significant adverse change in the extent or manner in which a long-lived asset is being used, significant adverse change in legal factors or in the business climate that could affect the value of a long-lived asset, an accumulation of costs significantly in excess of the amount originally expected for the acquisition or development of a long-lived asset, current or future operating or cash flow losses that demonstrate continuing losses associated with the use of a long-lived asset, or a current expectation that, more likely than not, a long-lived asset will be sold or otherwise disposed of significantly before the end of its previously estimated useful life. The Company performs impairment testing at the asset group level that represents the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. The Company assesses recoverability of a long-lived asset by determining whether the carrying value of the asset group can be recovered through projected undiscounted cash flows over their remaining lives. If the carrying value of the asset group exceeds the forecasted undiscounted cash flows, an impairment loss is recognized, measured as the amount by which the carrying amount exceeds estimated fair value. An impairment loss is charged to the consolidated statement of operations in the period in which management determines such impairment. No such impairment has been noted as of December 31, 2019 and 2018.

Accounting pronouncement issued and net yet adopted

Accounting pronouncement issued and adopted – In February 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02 Leases (“ASU 2016-02”) which requires lessees to recognize, for all leases, at the commencement date, a lease liability, and a right-of-use asset. Under the new guidance, lessor classification criteria for direct financing and sales-type leases is modified. In July 2018, the FASB issued ASU No. 2018-10 Leases (Topic 842) Codification Improvements to Topic 842, and ASU No. 2018-11 Leases (Topic 842) Targeted Improvements (“ASU 2018-11”), in December 2018 the FASB issued ASU No. 2018-20 Leases (Topic 842) Narrow-Scope Improvements, and in February 2019 the FASB issued ASU No. 2019-01 Leases (Topic 842) Codification Improvements. ASU 2018-11 provides a new transition method in which an entity can initially apply the new lease standards at the adoption date and recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. This standard is effective for annual periods beginning after December 15, 2018. The Company performed an analysis to determine if its revenue agreements with customers fall under the scope of ASU 2016-02 or ASU 2014-09, Revenue from Contracts with Customers (Topic 606) and concluded that, other than with respect to the Company’s stand-alone facility in Lima, Peru, ASU 2016-02 applied. The Company adopted ASU 2016-02 and related ASUs as of January 1, 2019 using the modified retrospective transition method. The Company elected to initially apply ASU 2016-02 and related ASUs beginning January 1, 2019 and elected to use the package of practical expedients upon adoption. The provisions of the package of practical expedients allowed the Company to not reassess whether any expired or existing contracts are or contain leases, the lease classification for expired or existing contracts, and the Company need not reassess the initial direct costs for any existing leases. The Company also used the hindsight expedient upon adoption which allowed the Company to examine its history when assessing lease term and whether it will exercise renewal options for certain contracts. The Company recognized lease liabilities and right-of-use assets of approximately $1,362,000 for its operating leases at January 1, 2019, with no initial material impact to its consolidated statements of operations.

In July 2019, the FASB issued ASU 2019-07 Codification Updates to SEC Sections: Amendments to SEC Paragraphs Pursuant to SEC Final Rule Releases No. 33-10532, Disclosure Update and Simplification, and Nos. 33-10231 and 33-10442, Investment Company Reporting Modernization, and Miscellaneous Updates which clarifies or improves the disclosure and presentation requirements of a variety of codification topics by aligning with the SEC's regulations, thereby eliminating redundancies and making the codification easier to apply. The new guidance was effective immediately upon issuance and did not have a material impact on the Company's financial statements and related disclosures.

Accounting pronouncement issued and not yet adopted – In February 2018, the FASB issued ASU No. 2018-03 Recognition and Measurement of Financial Assets and Financial Liabilities (“ASU 2018-03”), which clarifies certain aspects of ASU 2016-1. These are: equity securities without a readily determinable fair value – discontinuation, equity securities without a readily determinable fair value – adjustments, forward contracts and purchased options, presentation requirements for certain fair value option liabilities, fair value option liabilities denominated in a foreign currency, and transition guidance for equity securities without a readily determinable fair value. In August 2018, the FASB issued ASU No. 2018-13 Fair Value Measurement (Topic 820): Disclosure Framework – Changes to the Disclosure Requirements to Fair Value Measurement (“ASU 2018-13”), which amended the effective date and other certain measurement aspects of ASU 2018-03. The new guidance is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019. The Company does not expect ASU 2018-03 or ASU 2018-13 to have a significant impact on its consolidated financial statements and related disclosures.

In December 2019, the FASB issued ASU 2019-12 Income taxes (Topic 740): Simplifying the Accounting for Income Taxes (“ASU 2019-12”) which removes specific exceptions to the general principles in Topic 740 and eliminates the need for an organization to analyze whether the following apply in a given period: exception to the incremental approach for intraperiod tax allocation; exceptions to accounting for basis differences when there are ownership changes in foreign investments; exception in interim period income tax accounting for year-to-date losses that exceed anticipated losses. The new guidance is effective for fiscal years and interim periods beginning after December 15, 2020. The Company is currently evaluating ASU 2019-12 to determine the impact it may have on its consolidated financial statements.

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FINANCE LEASES (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Future Minimum Lease Payments for Finance Leases

Future minimum lease payments, together with the present value of the net minimum lease payments under finance leases at December 31, 2019, are summarized as follows:

	Net Present Value of Minimum Lease Payments
Year ending December 31,
2020	$	4,610,000
2021	6,312,000
2022	1,291,000
2023	846,000
2024	521,000
Total finance lease payments	13,580,000
Less imputed interest	1,694,000
	11,886,000
Less current portion	3,709,000
	$	8,177,000

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LEASES (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Operating Leased Assets [Line Items]
Lessee, discount rate	6.00%
Operating lease, right-of-use asset	$ 1,106
Operating lease, liability	$ 1,106
Minimum
Operating Leased Assets [Line Items]
Operating​ lease ​remaining ​lease ​term	3 years
Maximum
Operating Leased Assets [Line Items]
Operating​ lease ​remaining ​lease ​term	5 years

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LONG-TERM DEBT (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($) note
Debt Instrument [Line Items]
Accounts receivable	$ 4,600
Number of debt instruments | note	7
Long-term debt	$ 3,480
Gamma Knife Units
Debt Instrument [Line Items]
Aggregate net book value	13,130
Accounts receivable	1,848
Long-term debt	$ 13,016
Minimum
Debt Instrument [Line Items]
Monthly installments	36 months
Long-term debt percentage rate	5.25%
Maximum
Debt Instrument [Line Items]
Monthly installments	84 months
Long-term debt percentage rate	6.90%

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INCOME TAXES - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Deferred tax liabilities:
Property and equipment	$ (3,112)	$ (3,566)
Total deferred tax liabilities	(3,112)	(3,566)
Deferred tax assets:
Net operating loss carryforwards	117	80
Accruals and allowances	248	275
Tax credits	4	194
Other – net	229	207
Capital loss carryover	921	948
Total deferred tax assets	1,519	1,704
Valuation allowance	(921)	(1,096)
Deferred tax assets net of valuation allowance	598	608
Net deferred tax liabilities	$ (2,514)	$ (2,958)

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OPERATING LEASES (Details Textual) $ in Thousands		12 Months Ended
	Aug. 13, 2016	Dec. 31, 2019 USD ($) ft²	Dec. 31, 2018 USD ($)	Dec. 31, 2017 USD ($)
Leases, Operating [Abstract]
Lease expiration period	7 years
Area of facility | ft²		1,600
Monthly lease expense		$ 5
Rent expense		$ 380
Rent expense			$ 298	$ 308

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INCOME TAXES - Schedule of Unrecognized Tax Benefits Roll Forward (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of year	$ 87	$ 0	$ 0
Additions based on tax positions of prior years	172	87	0
Balance at end of year	$ 259	$ 87	$ 0

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SHAREHOLDERS' EQUITY - Schedule of Nonvested Share Activity (Details) - $ / shares shares in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Number of Options
Granted (in shares)	18	16
Weighted Average Grant-Date Fair Value
Grant Date Weighted-Average Fair Value, Granted (in dollars per share)	$ 1.54	$ 1.45	$ 1.50
Non Vested Shares
Number of Options
Outstanding beginning balance (in shares)	125	220
Granted (in shares)	18	16
Vested (in shares)	(118)	(111)
Outstanding ending balance (in shares)	25	125	220
Weighted Average Grant-Date Fair Value
Grant Date Weighted-Average Fair Value, Outstanding (in dollars per share)	$ 1.20	$ 1.20
Grant Date Weighted-Average Fair Value, Granted (in dollars per share)	1.54	1.45
Weighted Average Grant-Date Fair Value, Nonvested, Vested (in dollars per share)	1.22	1.22
Grant Date Weighted-Average Fair Value, Outstanding (in dollars per share)	$ 1.40	$ 1.20	$ 1.20

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ACCOUNTING POLICIES - Schedule of EPS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accounting Policies [Abstract]
Numerator for basic and diluted earnings per share	$ 659	$ 1,023	$ 1,923
Denominator:
Denominator for basic and diluted earnings per share – weighted-average shares (in shares)	5,919	5,836	5,754
Effect of dilutive securities
Effect of dilutive securities Employee stock options and restricted stock (in shares)	11	17	130
Denominator for diluted earnings per share – adjusted weighted-average shares (in shares)	5,930	5,853	5,884
Earnings per common share- basic (in USD per share)	$ 0.11	$ 0.18	$ 0.33
Earnings per common share- diluted (in USD per share)	$ 0.11	$ 0.17	$ 0.33

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COMMITMENTS AND CONTINGENCIES (Tables)

12 Months Ended

Dec. 31, 2019

Commitments and Contingencies Disclosure [Abstract]

Schedule of Long-term Purchase Commitment

The Company estimates the following commitments for each of the equipment systems, with expected timing of payments as follows as of December 31, 2019:

	Total amounts committed		2020		2021-2023		2024		After 5 years
Long-term debt (includes interest)	$	3,922,000	$	1,689,000	$	1,480,000	$	335,000	$	418,000
Finance leases (includes interest)	13,580,000		4,610,000		8,449,000		521,000		—
Future equipment purchases	40,910,000		1,750,000		39,160,000		—		—
Equipment service contracts	10,096,000		1,847,000		4,655,000		1,734,000		1,860,000
Operating leases	1,180,000		319,000		856,000		5,000		—
Total Commitments	$	69,688,000	$	10,215,000	$	54,600,000	$	2,595,000	$	2,278,000

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PROPERTY AND EQUIPMENT (Details Textual) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Net property and equipment	$ 41,480	$ 46,694
Construction in progress	1,965
Medical Equipment and Facilities
Property, Plant and Equipment [Line Items]
Cost of capital leased assets	46,642	46,559
Associated accumulated depreciation of capital leased assets	23,782	$ 20,292
Gamma Knife Units
Property, Plant and Equipment [Line Items]
Net property and equipment	943
Three Mevion S250 Proton Beam Radiation Therapy
Property, Plant and Equipment [Line Items]
Long term purchase commitment deposits for assets	2,250
Radiation Oncology Physician Group
Property, Plant and Equipment [Line Items]
Long term purchase commitment deposits for assets	$ 400

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FINANCE LEASES

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

FINANCE LEASES

FINANCE LEASES

The Company has ten finance lease obligations with three financing companies, collateralized by Gamma Knife and PBRT equipment having an aggregate net book value of $22,860,000, the individual customer contracts and related accounts receivable of $4,600,000 at December 31, 2019. These obligations have imputed interest rates ranging between 4.73% and 13.00%, are payable in 44 to 81 monthly installments, and mature between May 2020 and September 2024.

As of December 31, 2018, the Company had eleven finance lease obligations with three financing companies, collateralized by Gamma Knife and PBRT equipment, the individual customer contracts and related accounts receivable, having an aggregate net book value of $26,267,000.

At the end of each lease term, the Company has a bargain purchase option to purchase the equipment.

Future minimum lease payments, together with the present value of the net minimum lease payments under finance leases at December 31, 2019, are summarized as follows:

	Net Present Value of Minimum Lease Payments
Year ending December 31,
2020	$	4,610,000
2021	6,312,000
2022	1,291,000
2023	846,000
2024	521,000
Total finance lease payments	13,580,000
Less imputed interest	1,694,000
	11,886,000
Less current portion	3,709,000
	$	8,177,000

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RETIREMENT PLAN	12 Months Ended
	Dec. 31, 2019
Retirement Benefits [Abstract]
RETIREMENT PLAN	RETIREMENT PLANThe Company has a defined-contribution retirement plan (the “Retirement Plan”) that allows for a matching safe harbor contribution. For 2019, the Board of Directors elected to match participant deferred salary contributions up to a maximum of 4% of the participant’s annual compensation. Discretionary profit sharing contributions are allowed under the Retirement Plan in years that the Board does not elect a safe harbor match. The Company has accrued approximately $38,000 for the estimated safe harbor matching contribution for the year ended December 31, 2019. The Company contributed $27,000 and $29,000 to the Retirement Plan for the safe harbor match for the years ended December 31, 2018 and December 31, 2017.

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INCOME TAXES - Schedule of Effective Income Tax Rate Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Computed expected federal income tax	$ 167	$ 313	$ 279
State income taxes, net of federal benefit	(80)	125	28
Non-deductible expenses	29	(12)	41
Impact of US Tax Reform	0	0	(1,546)
Return to Provision True-up	39	0	0
Uncertain Tax Positions	80	0	0
Change in valuation allowance	(175)	34	180
Other	68	(9)	(85)
Income tax expense (benefit)	$ 128	$ 451	$ (1,103)

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SHAREHOLDERS' EQUITY - Share-based Compensation, Stock Options, Activity (Details) - USD ($)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Number of Options
Outstanding beginning balance (in shares)	450,000	613,000	615,000	450,000	613,000	615,000
Granted (in shares)	18,000	16,000
Exercised (in shares)	(16,000)	0	(4,000)
Forfeited (in shares)	(165,000)	(18,000)
Outstanding ending balance (in shares)	450,000	613,000	615,000
Number of Options, Exercisable (in shares)				425,000	488,000
Weighted Average Exercise Price
Weighted Average Exercise Price, Beginning balance (in dollars per share)	$ 2.85	$ 2.87
Weighted Average Exercise Price, Granted (in dollars per share)	2.87	2.68
Weighted Average Exercise Price, Exercised (in dollars per share)	2.59
Weighted Average Exercise Price, Forfeited (in dollars per share)	3.07	3.15
Weighted Average Exercise Price, Ending balance (in dollars per share)	$ 2.78	$ 2.85	$ 2.87
Weighted Average Exercise Price, Exercisable (in dollars per share)				$ 2.79	$ 2.87
Weighted Average Remaining Contractual Term (Years)
Weighted Average Remaining Contractual Term (Years)	2 years 5 months 8 days	3 years 1 month 20 days	3 years 5 months 23 days
Weighted Average Remaining Contractual Term (Years) Granted	7 years	6 years 5 months 15 days
Weighted Average Remaining Contractual Term (Years), Exercisable	2 years 3 months	2 years 6 months 18 days
Aggregate Intrinsic Value
Aggregate Intrinsic Value, Balance				$ 27,000	$ 0	$ 22,000
Aggregate Intrinsic Value, Exercisable				$ 0	$ 0

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OPERATING LEASES (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Leases, Operating [Abstract]
2020	$ 319
2021	312
2022	319
2023	225
2024	5
Total Future Minimum Payments Due	$ 1,180

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INVESTMENT IN EQUITY SECURITIES (Details Textual) - USD ($)	1 Months Ended	12 Months Ended
	Jun. 30, 2015	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2015
Schedule of Investments [Line Items]
Cost method investment		$ 0
Fair value of investment				$ 0
Loss on write down investment in equity securities		$ 0	$ 0	579,000
Additional impairment loss					$ 26,000
Mevion Medical Systems Inc
Schedule of Investments [Line Items]
Fair value of investment	$ 600,000				579,000
Loss on write down investment in equity securities	$ 2,114,000			$ 579,000	$ 2,140,000

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ACCOUNTING POLICIES - Schedule of Domestic and Foreign Break out Percentages (Details)	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Medical Services Revenues
Accounting Policies [Line Items]
Break out, percentage	100.00%	100.00%	100.00%
Property, Plant and Equipment
Accounting Policies [Line Items]
Break out, percentage	100.00%	100.00%	100.00%
Domestic | Medical Services Revenues
Accounting Policies [Line Items]
Break out, percentage	94.00%	96.00%	99.00%
Domestic | Property, Plant and Equipment
Accounting Policies [Line Items]
Break out, percentage	93.00%	93.00%	93.00%
Foreign | Medical Services Revenues
Accounting Policies [Line Items]
Break out, percentage	6.00%	4.00%	1.00%
Foreign | Property, Plant and Equipment
Accounting Policies [Line Items]
Break out, percentage	7.00%	7.00%	7.00%

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SUBSEQUENT EVENTS (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Subsequent Event [Line Items]
Financing commitments		$ 69,688
Operating leases
Subsequent Event [Line Items]
Financing commitments		$ 1,180
Operating leases | Subsequent Event [Member]
Subsequent Event [Line Items]
Financing commitments	$ 1,180

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LONG-TERM DEBT

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

LONG-TERM DEBT

LONG TERM DEBT

Long-term debt consists primarily of six notes with two financing companies collateralized by the Gamma Knife equipment having an aggregate net book value of $13,130,000, the individual customer contracts and related accounts receivable of $1,848,000 at December 31, 2019. These notes are payable in 36 to 84 fully amortizing monthly installments, mature between April 2020 and March 2026, and are collateralized by the respective Gamma Knife units. The notes accrue interest at fixed annual rates between 5.25% and 6.90%.

As of December 31, 2018, the Company had seven notes with three financing companies collateralized by the Gamma Knife equipment, the individual customer contracts and related accounts receivable, having an aggregate net book value of $13,016,000.

The following are contractual maturities of long-term debt by year at December 31, 2019:

Year ending December 31,	Principal		Interest
2020	$	1,526,000	$	163,000
2021	711,000		101,000
2022	263,000		71,000
2023	280,000		54,000
2024	299,000		36,000
Thereafter	401,000		17,000
	$	3,480,000	$	442,000

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SHAREHOLDERS' EQUITY

12 Months Ended

Dec. 31, 2019

Stockholders' Equity Note [Abstract]

SHAREHOLDERS' EQUITY

SHAREHOLDERS’ EQUITY

Incentive Compensation Plan

In June 2010 shareholders approved an amendment and restatement of the Company’s stock incentive plan, renaming it the Incentive Compensation Plan (the “Plan”), and among other things, increasing the number of shares of the Company’s common stock reserved for issuance under the Plan to 1,630,000. The Plan provides that the shares reserved under the Plan are available for issuance to officers of the Company, other key employees, non- employee directors, and advisors. The Plan is a successor to the Company’s previous plans, and any shares awarded and outstanding under those plans were transferred to the Plan. No further grants or share issuances will be made under the previous plans. On June 21, 2019, the Company’s shareholders approved an amendment and restatement of the Plan in order to extend the term of the Plan by two years to February 22, 2022. As of December 31, 2019, approximately 411,000 shares remain available for grant under the Plan.

The Plan provides for nonqualified stock options, qualified (or incentive) stock options and stock grants (the “awards”). The Plan has a provision to reduce the number of shares reserved for award and issuance under the Plan by a ratio of 1.59 shares of common stock for each share of common stock that is issued pursuant to a Full Value Award (stock grant). The Plan also provides for an Incentive Bonus Program with incentive bonus opportunities through performance unit awards and special cash incentive programs tied to the attainment of pre-established performance milestones.

Provisions of the Plan include an automatic annual grant to each non-employee director of options to purchase up to 2,000 shares on the date of the Company’s Annual Shareholder Meeting, at an exercise price equal to the market price of the Company’s common shares on that date, an automatic annual grant of 500 restricted stock units of the Company’s common shares and an annual cash retainer fee for Board or Board Committee service, which may be converted to restricted stock unit awards (“restricted stock units” or “RSUs”). Options and restricted stock units awarded under the automatic annual grant program for non-employee directors vest after one year. Restricted stock units awarded in lieu of retainer fees vest quarterly, over a one year period. These awards become outstanding upon the conclusion of the individual Board members service on the Company’s Board of Directors. During the year ended December 31, 2019, 83,000 awards issued in lieu of retainer fees became outstanding. Other options may vest fully and immediately, or over periods of time as determined by the Plan Administrator, but no longer than seven years from the grant date. Discretionary options currently awarded under the Plan vest over a period of 5 years.

Under the Plan, a total of 312,000 restricted stock units have been granted, consisting of 41,000 of annual automatic grants to non-employee directors and the corporate secretary, 261,000 of deferred retainer fees to non-employee members of the Board, and 10,000 grants issued in lieu of commission, to one employee of the Company. Of the total restricted stock units granted under the Plan 309,000 of them are fully vested but not yet deemed issued and outstanding as of December 31, 2019.

Changes in restricted stock units, consisting primarily of annual automatic grants and deferred compensation to non-employee directors, under the Incentive Compensation Plans during 2019 and 2018 are as follows:

	Restricted Stock Units	Grant Date Weighted- Average Fair Value		Intrinsic Value
Outstanding at January 1, 2018	4,000	$	3.77	$	—
Granted	35,000	$	2.56	$	—
Vested	(35,000)	$	2.69	$	—
Outstanding at December 31, 2018	4,000	$	2.68	$	—
Outstanding at January 1, 2019	4,000	$	2.68	$	—
Granted	36,000	$	2.50	$	—
Vested	(37,000)	$	2.47	$	—
Outstanding at December 31, 2019	3,000	$	3.03	$	—

For the year ended December 31, 2019, total compensation expense recorded in the consolidated statements of operations related to restricted stock units in lieu of retainer fees was $80,000. For the year ended December 31, 2019, total compensation expense recorded in the consolidated statements of income for annual restricted stock units awarded was $10,000, with an offsetting tax benefit of $2,000, as this expense is deductible for income tax purposes. As of December 31, 2019, there was $5,000 of total unrecognized compensation cost related to annual restricted stock units which is expected to be recognized over a period of 0.5 years. During 2019, 2018, and 2017 shares of restricted stock units totaling 4,000 each, respectively, with a fair value of approximately $11,000, $11,000 and $15,000, respectively, vested and became unrestricted.

On January 4, 2017, the Company entered into a Performance Share Award Agreement with three executive officers of the Company (the “Award Agreements”) for 161,766 restricted stock awards which vest upon the achievement of certain performance metrics. The Award Agreements expire on March 31, 2020. Based on the guidance in ASC 718 Stock Compensation (“ASC 718”), the Company concluded these were performance-based awards with vesting criteria tied to performance metrics. As of December 31, 2017, the Company achieved one of the certain performance metrics under the Award Agreements and recognized stock compensation expense of approximately $108,000 related to these awards. As of December 31, 2019 it is not probable that any of the remaining required metrics for vesting will be achieved. The unrecognized stock-based compensation expense for these awards was approximately $434,000 and unvested restricted stock awards were approximately 129,000 as of December 31, 2019. If and when the Company determines that the remaining performance metrics’ achievement becomes probable, the Company will record a cumulative catch-up stock-based compensation amount and the remaining unrecognized amount will be recorded over the remaining requisite service period of the awards.

Changes in stock options outstanding under the Incentive Compensation Plans during 2019 and 2018 are as follows:

Options	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Balance at December 31, 2017	615,000	$	2.87	3.48	$	22,000
Granted	16,000	$	2.68	6.46	$	—
Forfeited	(18,000)	$	3.15	—	$	—
Balance at December 31, 2018	613,000	$	2.85	3.14	$	—
Granted	18,000	$	2.87	7.00	$	—
Exercised	(16,000)	$	2.59	—	$	—
Forfeited	(165,000)	$	3.07	—	$	—
Balance at December 31, 2019	450,000	$	2.78	2.44	$	27,000
Exercisable at December 31, 2018	488,000	$	2.87	2.55	$	—
Exercisable at December 31, 2019	425,000	$	2.79	2.25	$	—

The weighted average grant-date fair value of the options granted during the years 2019, 2018 and 2017 was $1.54, $1.45, and $1.50, respectively. There were 16,000 options exercised during the year ended December 31, 2019. There were no options exercised and accordingly, no total intrinsic value of options exercised during the year ended December 31, 2018. There were 4,000 options exercised during the year ended December 31, 2017. Total stock-based compensation expense recognized for stock options for the years ended December 2019, 2018, and 2017 was $141,000, $109,000, and $144,000, respectively.

The Company received approximately $42,000 from the exercise of 16,000 options under the share-based arrangements for the year ended December 31, 2019. There was no cash received from options exercised under any share-based payment arrangements for the years ended December 31, 2018, and as a result, there was no actual tax benefit realized for tax deductions from option exercises in that year. The Company received approximately $6,000 from the exercise of 2,000 options under share-based payment arrangements for the year ended December 31, 2017.

A summary of the status of the Company’s non-vested stock options as of December 31, 2019 and 2018, and changes during the years ended December 31, 2019 and 2018 is presented below:

Nonvested Options	Number of Options	Weighted Average Grant-Date Fair Value
Nonvested at December 31, 2017	220,000	$	1.20
Granted	16,000	$	1.45
Vested	(111,000)	$	1.22
Nonvested at December 31, 2018	125,000	$	1.20
Granted	18,000	$	1.54
Vested	(118,000)	$	1.22
Nonvested at December 31, 2019	25,000	$	1.40

At December 31, 2019, there was approximately $24,000 of unrecognized compensation cost related to non-vested share-based compensation arrangements granted under the Plan. This cost is expected to be recognized over a period of approximately two years.

The Company’s stock-based awards to employees are calculated using the Black-Scholes options valuation model. The Black-Scholes model was developed for use in estimating the fair value of traded options which have no vesting restrictions and are fully transferable. In addition, the Black-Scholes model requires the input of highly subjective assumptions including the expected stock price volatility. The Company’s stock-based awards have characteristics significantly different from those of traded options, and changes in the subjective input assumptions can materially affect the present value estimates. For these reasons, management believes that the existing models do not necessarily provide a reliable single measure of the fair value of its stock-based awards to employees.

The fair value of the Company’s option grants issued during 2019, 2018 and 2017 were estimated using assumptions for expected life, volatility, dividend yield, forfeiture rate, and risk-free interest rate which are specific to each award as summarized in the following table. The estimated fair value of the Company’s options is amortized over the period during which the optionee is required to provide service in exchange for the award, usually the vesting period.

The fair value of the Company’s option grants under the Plan in 2019, 2018 and 2017 was estimated using the following assumptions:

	2019		2018		2017
Expected life (years)	7.0		7.0		7.0
Expected forfeiture rate	0.0	%	0.0	%	0.0	%
Expected volatility	50	%	50	%	53	%
Dividend yield	0	%	0	%	0	%
Risk-free interest rate	1.9	%	2.9	%	2.0	%

Repurchase of Common Stock, Common Stock Warrants and Stock Options

In 1999 and 2001, the Board of Directors approved resolutions authorizing the Company to repurchase up to a total of 1,000,000 shares of its own stock on the open market, which the Board reaffirmed in 2008. There were no shares of the Company repurchased during 2019, 2018 or 2017. There are approximately 72,000 shares remaining under this repurchase authorization.

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CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Sub-Total ASHS	Non-controlling Interests in Subsidiaries
Balance at beginning at Dec. 31, 2016	$ 27,173	$ 10,596	$ 5,949	$ 4,950	$ 21,495	$ 5,678
Balance at beginning (in shares) at Dec. 31, 2016		5,468,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	323		323		323
Stock-based compensation expense (in shares)		4,000
Restricted stock awards (in shares)		162,000
Warrants and options exercised	115	$ 115			115
Warrants and options exercised (in shares)		76,000
Cash distributions to non-controlling interests	(666)					(666)
Net income	$ 2,940			1,923	1,923	1,017
Options exercised (in shares)	4,000
Balance at end at Dec. 31, 2017	$ 29,885	$ 10,711	6,272	6,873	23,856	6,029
Balance at end (in shares) at Dec. 31, 2017		5,710,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	223		223		223
Stock-based compensation expense (in shares)		4,000
Cash distributions to non-controlling interests	(690)					(690)
Net income	$ 1,630			1,023	1,023	607
Options exercised (in shares)	0
Balance at end at Dec. 31, 2018	$ 31,048	$ 10,711	6,495	7,896	25,102	5,946
Balance at end (in shares) at Dec. 31, 2018		5,714,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock-based compensation expense	230		230		230
Stock-based compensation expense (in shares)		4,000
Cash distributions to non-controlling interests	(939)					(939)
Net income	1,430			659	659	771
Options exercised	$ 42	$ 42			42
Options exercised (in shares)	16,000	16,000
Issurance of deferred restricted stock units (in shares)		83,000
Balance at end at Dec. 31, 2019	$ 31,811	$ 10,753	$ 6,725	$ 8,555	$ 26,033	$ 5,778
Balance at end (in shares) at Dec. 31, 2019		5,817,000

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RELATED PARTY TRANSACTIONS

12 Months Ended

Dec. 31, 2019

Related Party Transactions [Abstract]

RELATED PARTY TRANSACTIONS

RELATED PARTY TRANSACTIONS

The Company’s Gamma Knife business is operated through its 81% indirect interest in its GKF subsidiary. The remaining 19% of GKF is owned by a wholly owned U.S. subsidiary of Elekta, which is the manufacturer of the Gamma Knife. Since the Company purchases its Gamma Knife units from Elekta, there are significant related party transactions with Elekta such as equipment purchases, commitments to purchase equipment, deposits for such equipment purchases, and costs to maintain the equipment. The Company believes that all its transactions with Elekta are arm’s-length transactions. At December 31, 2019, the Company had commitments to purchase five Cobalt-60 reloads, install five Icon upgrades and service the related equipment, as discussed in Note 12 – Commitments and Contingencies.

The Company purchased one MEVION S250 PBRT machine from Mevion, and has $2,250,000 in non-refundable deposits towards the purchase of two additional MEVION S250i machines. The Company also contracted with Mevion to repair the damaged PBRT unit and incurred repair costs of approximately $977,000, which is included in the Company’s consolidated balance sheet for the year ended December 31, 2018. The Company believes all of its transactions with Mevion were arm’s-length transactions. See Note 4 – Investment in Equity Securities for additional information.

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LONG-TERM DEBT (Tables)

12 Months Ended

Dec. 31, 2019

Debt Disclosure [Abstract]

Schedule of Maturities of Long-term Debt

The following are contractual maturities of long-term debt by year at December 31, 2019:

Year ending December 31,	Principal		Interest
2020	$	1,526,000	$	163,000
2021	711,000		101,000
2022	263,000		71,000
2023	280,000		54,000
2024	299,000		36,000
Thereafter	401,000		17,000
	$	3,480,000	$	442,000

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Document and Entity Information - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Mar. 20, 2020	Jun. 30, 2019
Document and Entity Information [Abstract]
Document Type	10-K
Entity Registrant Name	American Shared Hospital Services
Entity Well-known Seasoned Issuer	Yes
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Public Float			$ 12,757
Entity Common Stock, Shares Outstanding		5,817
Amendment Flag	false
Document Period End Date	Dec. 31, 2019
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	FY
Entity Central Index Key	0000744825
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Trading Symbol	AMS
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Small Business	true

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ACCOUNTING POLICIES

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

ACCOUNTING POLICIES

ACCOUNTING POLICIES

Use of estimates in the preparation of financial statements – In preparing the consolidated financial statements in conformity with accounting principles generally accepted in the United States of America, management makes estimates and assumptions that affect the reported amounts of assets and liabilities and disclosures of contingent assets and liabilities at the date of the consolidated financial statements, as well as the reported amounts of revenues and expenses during the reporting period. Significant accounting estimates reflected in the Company’s consolidated financial statements include the estimated useful lives of fixed assets and its salvage values, revenues and costs of sales for turn-key and revenue sharing arrangements.  Actual results could differ from those estimates.

Advertising costs – The Company expenses advertising costs as incurred. Advertising costs were $144,000, $113,000, and $140,000 during the years ended December 31, 2019, 2018 and 2017, respectively. Advertising costs are recorded in other direct operating costs and sales and administrative costs in the consolidated statements of operations.

Cash and cash equivalents – The Company considers all liquid investments with original maturities of three months or less at the date of purchase to be cash equivalents. Restricted cash is not considered a cash equivalent for purposes of the consolidated statements of cash flows.

Restricted cash – Restricted cash represents the minimum cash that must be maintained in GKF to fund operations, per the subsidiary’s operating agreement, and the minimum cash that must be maintained in Orlando per the subsidiary’s financing agreement.

Business and credit risk – The Company maintains its cash balances, which exceed federally insured limits, in financial institutions. The Company believes it is not exposed to any significant credit risk on cash, cash equivalents. The Company monitors the financial condition of the financial institutions it uses on a regular basis.

All of the Company’s revenue was provided by seventeen, eighteen, and twenty customers in 2019, 2018, and, 2017, respectively. One customer accounted for approximately 30%, 26%, and 21% of the Company’s total revenue in 2019, 2018, and, 2017, respectively. At December 31, 2019 and 2018, three customers each individually accounted for more than 10% of total accounts receivable, respectively. The Company performs credit evaluations of its customers and generally does not require collateral. The Company has not experienced significant losses related to receivables from individual customers or groups of customers in any particular geographic area.

All of the Company’s radiosurgery devices have been purchased through Elekta, to date. However, there are other manufacturers that also make radiosurgery devices.

Accounts receivable and doubtful accounts – Accounts receivable are recorded at net realizable value. An allowance for doubtful accounts is estimated based on historical collections plus an allowance for probable losses. Receivables are considered past due based on contractual terms and are charged off in the period that they are deemed uncollectible. Recoveries of receivables previously charged off are offset against bad debt expense when received.

Non-controlling interests - The Company reports its non-controlling interests as a separate component of shareholders’ equity. The Company also presents the consolidated net income and the portion of the consolidated net income allocable to the non-controlling interests and to the shareholders of the Company separately in its consolidated statements of operations.

Property and equipment – Property and equipment are stated at cost less accumulated depreciation. Depreciation for Gamma Knife, IGRT, and other equipment is determined using the straight-line method over the estimated useful lives of the assets, which for medical and office equipment is generally 3 – 10 years, and after accounting for salvage value on the equipment where indicated. Salvage value is based on the estimated fair value of the equipment at the end of its useful life.

Depreciation for PBRT and related equipment is determined using the modified units of production method, which is a function of both time and usage of the equipment. This depreciation method allocates costs considering the projected volume of usage through the useful life of the PBRT unit, which has been estimated at 20 years. The estimated useful life of the PBRT unit is consistent with the estimated economic life of 20 years.

The Company capitalizes interest incurred on property and equipment that is under construction, for which deposits or progress payments have been made. When a rate is not readily available, imputed interest is calculated using the Company’s incremental borrowing rate. The interest capitalized for property and equipment is the portion of interest cost incurred during the acquisition periods that could have been avoided if expenditures for the equipment had not been made. The Company capitalized interest of $110,000, $115,000, and $138,000 in 2019, 2018, and, 2017, respectively, as costs of medical equipment.

The Company leases Gamma Knife and radiation therapy equipment to its customers under arrangements typically accounted for as operating leases. At December 31, 2019, the Company held equipment under operating lease contracts with customers with an original cost of $92,135,000 and accumulated depreciation of $55,148,000. At December 31, 2018, the Company held equipment under operating lease contracts with customers with an original cost of $94,031,000 and accumulated depreciation of $53,716,000.

In April 2017, an existing customer exercised their option to purchase the Gamma Knife unit at its hospital at the end of the lease term for a predetermined purchase price, pursuant to the lease agreement. The lease terminated in April 2017, at which time, the unit was depreciated to the purchase price of the sale. Based on the guidance provided in Accounting Standards Codification (“ASC”) 360 Property, Plant and Equipment (“ASC 360”), the Company did not classify or measure the asset as held for sale prior to the lease termination, because the Gamma Knife unit was not available for immediate sale.

During the year ended December 31, 2018, the Company recorded a receivable of $1,137,000 for insurance coverage related to damage that was incurred on the Company’s PBRT unit. The Company contracted with Mevion Medical Systems, Inc. (“Mevion”), formerly Still River Systems, to repair the damaged unit and incurred repair costs of approximately $977,000, which is included in the Company’s consolidated balance sheet for the year ended December 31, 2018. The Company recorded $185,000 of income from its business interruption insurance for the period the PBRT unit was down undergoing repair. All insurance proceeds and related costs were received and paid during the year ended December 31, 2019.

Fair value of financial instruments – The Company’s disclosures of the fair value of financial instruments is based on a fair value hierarchy which prioritizes the inputs to the valuation techniques used to measure fair value into three levels. Level 1 inputs are unadjusted quoted market prices in active markets for identical assets and liabilities that the Company has the ability to access at the measurement date. Level 2 inputs are inputs other than quoted prices within Level 1 that are observable for the asset or liability, either directly or indirectly. Level 3 inputs are unobservable inputs for assets or liabilities, and reflect the Company’s own assumptions about the assumptions that market participants would use in pricing the asset or liability.

The estimated fair value of the Company’s assets and liabilities as of December 31, 2019 and 2018 were as follows (in thousands):

	Level 1		Level 2		Level 3		Total		Carrying Value
December 31, 2019
Assets:
Cash, cash equivalents, restricted cash	$	1,779	$	—	$	—	$	1,779	$	1,779
Total	$	1,779	$	—	$	—	$	1,779	$	1,779
Liabilities
Debt obligations	$	—	$	—	$	3,075	$	3,075	$	3,480
Total	$	—	$	—	$	3,075	$	3,075	$	3,480
December 31, 2018
Assets:
Cash, cash equivalents, restricted cash	$	1,792	$	—	$	—	$	1,792	$	1,792
Total	$	1,792	$	—	$	—	$	1,792	$	1,792
Liabilities
Debt obligations	$	—	$	—	$	5,431	$	5,431	$	5,451
Total	$	—	$	—	$	5,431	$	5,431	$	5,451

Revenue recognition - The Company recognizes revenues under ASC 842 Leases (“ASC 842”) and ASC 606 Revenue from Contracts with Customers (“ASC 606”).

Rental income from medical services – The Company recognizes revenues under ASC 842 when services have been rendered and collectability is reasonably assured, on either a fee per use or revenue sharing basis. The terms of the contracts do not contain any guaranteed minimum payments. The Company’s contracts are typically for a ten-year term and are classified as either fee per use or retail. Retail arrangements are further classified as either turn-key or revenue sharing. Revenues from fee per use contracts is determined by each hospital’s contracted rate. Revenues are recognized at the time the procedures are performed, based on each hospital’s contracted rate and the number of procedures performed. Under revenue sharing arrangements, the Company receives a contracted percentage of the reimbursement received by the hospital. The amount the Company expects to receive is recorded as revenue and estimated based on historical experience. Revenue estimates are reviewed periodically and adjusted as necessary. Under turn-key arrangements, the Company receives payment from the hospital in the amount of the hospital’s reimbursement from third party payors, and the Company is responsible for paying all the operating costs of the equipment. Operating costs are determined primarily based on historical treatment protocols and cost schedules with the hospital. The Company records an estimate of operating costs which are reviewed on a regular basis and adjusted as necessary to more accurately reflect the actual operating costs. For turn-key sites, the Company also shares a percentage of net operating profit. The Company records an estimate of net operating profit based on estimated revenues, less estimated operating costs. The operating costs and estimated net operating profit are recorded as other direct operating costs in the consolidated statement of operations. For the year ended December 31, 2019, the Company recognized revenues of approximately $19,396,000 under ASC 842.

Patient income – The Company has a stand-alone facility in Lima, Peru, where a contract exists between GKPeru and the individual patient treated at the facility. Under ASC 606, the Company acts as the principal in this transaction and provides, at a point in time, a single performance obligation, in the form of a Gamma Knife treatment. Revenue related to a Gamma Knife treatment is recognized on a gross basis at the time when the patient receives treatment. There is no variable consideration present in the Company’s performance obligation and the transaction price is agreed upon per the stated contractual rate. Payment terms are typically prepaid for self-pay patients and insurance provider payments are paid net 30 days. The Company did not capitalize any incremental costs related to the fulfillment of its customer contracts. Accounts receivable earned by GKPeru were not significant for the year ended December 31, 2019. For the year ended December 31, 2019, the Company recognized revenues of approximately $1,209,000 under ASC 606.

Stock-based compensation – The Company measures all stock-based compensation awards at fair value and records such expense in its consolidated financial statements over the requisite service period of the related award. See Note 9 for additional information on the Company’s stock-based compensation programs.

Costs of revenue – The Company's costs of revenue consist primarily of maintenance and supplies, depreciation and amortization, and other operating expenses (such as insurance, property taxes, sales taxes, marketing costs and operating costs from the Company’s retail sites). Costs of revenues are recognized as incurred.

Sales and Marketing – The Company markets its services through its preferred provider status with Elekta and a direct sales effort led by its Vice President of Sales and Business Development and its Chief Operating Officer. The Company’s current business is the outsourcing of stereotactic radiosurgery services and radiation therapy services.

The Company typically provides the equipment, as well as planning, installation, reimbursement and marketing support services.

Income taxes – The Company accounts for income taxes using the asset and liability method. Under this method, deferred tax assets and liabilities are determined based on differences between the financial reporting and tax bases of assets and liabilities and are measured using the enacted tax rates and laws that will be in effect when the differences are expected to reverse.

The Company accounts for uncertainty in income taxes as required by the provisions of ASC 740 Income taxes (“ASC 740”), which clarifies the accounting for uncertainty in income taxes recognized in an enterprise’s financial statements. The first step is to evaluate the tax position for recognition by determining if the weight of available evidence indicates that it is more likely than not that the position will be sustained on audit, including resolution of related appeals or litigation processes, if any. The second step is to estimate and measure the tax benefit as the largest amount that is more than 50% likely of being realized upon ultimate settlement. It is inherently difficult and subjective to estimate such amounts, as this requires the Company to determine the probability of various possible outcomes. The Company considers many factors when evaluating and estimating the Company’s tax positions and tax benefits, which may require periodic adjustments and may not accurately anticipate actual outcomes.

See Note 8 for further discussion on income taxes.

Functional currency – Based on guidance provided in accordance with ASC 830, Foreign Currency Matters (“ASC 830”), the Company analyzes its operations outside the United States to determine the functional currency of each operation. Management has determined that these operations are initially accounted for in U.S. dollars since the primary transactions incurred are in U.S. dollars and the Company provides significant funding towards the startup of the operation. When Management determines that an operation has become predominantly self-sufficient, the Company will change its accounting for the operation to the local currency from the U.S. dollar. The Company analyzed it’s Gamma Knife site in Peru under ASC 830 as of December 31, 2019 and concluded the functional currency was the U.S. dollar. As facts and circumstances change, the Company will revisit this conclusion.

Asset Retirement Obligations – Based on the guidance provided in ASC 410 Asset Retirement Obligations (“ASC 410”), the Company analyzed its existing lease agreements and determined an asset retirement obligation (“ARO”) exists to remove the respective units at the end of the lease terms. The fair value of the ARO liability is not reasonable to estimate at this time, due to uncertainties about timing, cost and, outcome of the ARO, therefore no liability has been recorded as of December 31, 2019. The Company will re-evaluate this position on a periodic basis when facts and circumstances change that could affect this conclusion.

Earnings per share – Basic earnings per share excludes dilution and is computed by dividing income available to common shareholders by the weighted average number of common shares outstanding for the year. The fully vested restricted stock units not issued and outstanding, are also included therein. Diluted earnings per share reflect the potential dilution that could occur if common shares were issued pursuant to the exercise of options or warrants.

The following table illustrates the computations of basic and diluted earnings per share for the years ended December 31, 2019, 2018 and 2017.

	2019		2018		2017
Numerator for basic and diluted earnings per share	$	659,000	$	1,023,000	$	1,923,000
Denominator:
Denominator for basic and diluted earnings per share – weighted-average shares	5,919,000		5,836,000		5,754,000
Effect of dilutive securities Employee stock options and restricted stock	11,000		17,000		130,000
Denominator for diluted earnings per share – adjusted weighted-average shares	5,930,000		5,853,000		5,884,000
Earnings per common share- basic	$	0.11	$	0.18	$	0.33
Earnings per common share- diluted	$	0.11	$	0.17	$	0.33

In 2019, options outstanding to purchase 387,000 shares of common stock at an exercise price range of $2.68 - $3.90 per share and 3,000 restricted stock units were not included in the calculation of diluted earnings per share because they would be anti-dilutive.

In 2018, options outstanding to purchase 519,000 shares of common stock at an exercise price range of of $2.82 - $3.90 per share and 4,000 restricted stock units were not included in the calculation of diluted earnings per share because they would be anti-dilutive.

In 2017, options outstanding to purchase 14,000 shares of common stock at an exercise price of $3.90 per share and 4,000 restricted stock units were not included in the calculation of diluted earnings per share because they would be anti-dilutive.

Business segment information - Based on the guidance provided in accordance with ASC 280 Segment Reporting (“ASC 280”), the Company has analyzed its subsidiaries which are all in the business of leasing radiosurgery and radiation therapy equipment to healthcare providers, and concluded there is one reportable segment. The Company provides Gamma Knife, PBRT, and IGRT equipment to sixteen hospitals in the United States and owns and operates a single-unit facility in Lima, Peru as of December 31, 2019. These seventeen locations operate under different subsidiaries of the Company, but offer the same service, radiosurgery and radiation therapy. The operating results of the subsidiaries are reviewed by the Company’s Chief Executive Officer and Chief Financial Officer, who are also deemed the Company’s Chief Operating Decision Makers (“CODMs”) and this is done in conjunction with all of the subsidiaries and locations.

Geographical information – The Company’s single-unit facility in Peru treated its first patient in July 2017. The following table provides a break out of domestic and foreign allocations of revenues and net property and equipment:

	2019		2018		2017
Revenues
Domestic	94	%	96	%	99	%
Foreign	6	%	4	%	1	%
Total	100	%	100	%	100	%

	2019		2018		2017
Property and equipment, net
Domestic	93	%	93	%	93	%
Foreign	7	%	7	%	7	%
Total	100	%	100	%	100	%

Long lived asset impairment – The Company assesses the recoverability of its long-lived assets when events or changes in circumstances indicate their carrying value may not be recoverable. Such events or changes in circumstances may include: a significant adverse change in the extent or manner in which a long-lived asset is being used, significant adverse change in legal factors or in the business climate that could affect the value of a long-lived asset, an accumulation of costs significantly in excess of the amount originally expected for the acquisition or development of a long-lived asset, current or future operating or cash flow losses that demonstrate continuing losses associated with the use of a long-lived asset, or a current expectation that, more likely than not, a long-lived asset will be sold or otherwise disposed of significantly before the end of its previously estimated useful life. The Company performs impairment testing at the asset group level that represents the lowest level for which identifiable cash flows are largely independent of the cash flows of other assets and liabilities. The Company assesses recoverability of a long-lived asset by determining whether the carrying value of the asset group can be recovered through projected undiscounted cash flows over their remaining lives. If the carrying value of the asset group exceeds the forecasted undiscounted cash flows, an impairment loss is recognized, measured as the amount by which the carrying amount exceeds estimated fair value. An impairment loss is charged to the consolidated statement of operations in the period in which management determines such impairment. No such impairment has been noted as of December 31, 2019 and 2018.

Accounting pronouncement issued and adopted – In February 2016, the Financial Accounting Standards Board (“FASB”) issued Accounting Standards Update (“ASU”) No. 2016-02 Leases (“ASU 2016-02”) which requires lessees to recognize, for all leases, at the commencement date, a lease liability, and a right-of-use asset. Under the new guidance, lessor classification criteria for direct financing and sales-type leases is modified. In July 2018, the FASB issued ASU No. 2018-10 Leases (Topic 842) Codification Improvements to Topic 842, and ASU No. 2018-11 Leases (Topic 842) Targeted Improvements (“ASU 2018-11”), in December 2018 the FASB issued ASU No. 2018-20 Leases (Topic 842) Narrow-Scope Improvements, and in February 2019 the FASB issued ASU No. 2019-01 Leases (Topic 842) Codification Improvements. ASU 2018-11 provides a new transition method in which an entity can initially apply the new lease standards at the adoption date and recognize a cumulative-effect adjustment to the opening balance of retained earnings in the period of adoption. This standard is effective for annual periods beginning after December 15, 2018. The Company performed an analysis to determine if its revenue agreements with customers fall under the scope of ASU 2016-02 or ASU 2014-09, Revenue from Contracts with Customers (Topic 606) and concluded that, other than with respect to the Company’s stand-alone facility in Lima, Peru, ASU 2016-02 applied. The Company adopted ASU 2016-02 and related ASUs as of January 1, 2019 using the modified retrospective transition method. The Company elected to initially apply ASU 2016-02 and related ASUs beginning January 1, 2019 and elected to use the package of practical expedients upon adoption. The provisions of the package of practical expedients allowed the Company to not reassess whether any expired or existing contracts are or contain leases, the lease classification for expired or existing contracts, and the Company need not reassess the initial direct costs for any existing leases. The Company also used the hindsight expedient upon adoption which allowed the Company to examine its history when assessing lease term and whether it will exercise renewal options for certain contracts. The Company recognized lease liabilities and right-of-use assets of approximately $1,362,000 for its operating leases at January 1, 2019, with no initial material impact to its consolidated statements of operations.

In July 2019, the FASB issued ASU 2019-07 Codification Updates to SEC Sections: Amendments to SEC Paragraphs Pursuant to SEC Final Rule Releases No. 33-10532, Disclosure Update and Simplification, and Nos. 33-10231 and 33-10442, Investment Company Reporting Modernization, and Miscellaneous Updates which clarifies or improves the disclosure and presentation requirements of a variety of codification topics by aligning with the SEC's regulations, thereby eliminating redundancies and making the codification easier to apply. The new guidance was effective immediately upon issuance and did not have a material impact on the Company's financial statements and related disclosures.

Accounting pronouncement issued and not yet adopted – In February 2018, the FASB issued ASU No. 2018-03 Recognition and Measurement of Financial Assets and Financial Liabilities (“ASU 2018-03”), which clarifies certain aspects of ASU 2016-1. These are: equity securities without a readily determinable fair value – discontinuation, equity securities without a readily determinable fair value – adjustments, forward contracts and purchased options, presentation requirements for certain fair value option liabilities, fair value option liabilities denominated in a foreign currency, and transition guidance for equity securities without a readily determinable fair value. In August 2018, the FASB issued ASU No. 2018-13 Fair Value Measurement (Topic 820): Disclosure Framework – Changes to the Disclosure Requirements to Fair Value Measurement (“ASU 2018-13”), which amended the effective date and other certain measurement aspects of ASU 2018-03. The new guidance is effective for fiscal years and interim periods within those fiscal years beginning after December 15, 2019. The Company does not expect ASU 2018-03 or ASU 2018-13 to have a significant impact on its consolidated financial statements and related disclosures.

In December 2019, the FASB issued ASU 2019-12 Income taxes (Topic 740): Simplifying the Accounting for Income Taxes (“ASU 2019-12”) which removes specific exceptions to the general principles in Topic 740 and eliminates the need for an organization to analyze whether the following apply in a given period: exception to the incremental approach for intraperiod tax allocation; exceptions to accounting for basis differences when there are ownership changes in foreign investments; exception in interim period income tax accounting for year-to-date losses that exceed anticipated losses. The new guidance is effective for fiscal years and interim periods beginning after December 15, 2020. The Company is currently evaluating ASU 2019-12 to determine the impact it may have on its consolidated financial statements.

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SHAREHOLDERS' EQUITY (Tables)

12 Months Ended

Dec. 31, 2019

Stockholders' Equity Note [Abstract]

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

Changes in restricted stock units, consisting primarily of annual automatic grants and deferred compensation to non-employee directors, under the Incentive Compensation Plans during 2019 and 2018 are as follows:

	Restricted Stock Units	Grant Date Weighted- Average Fair Value		Intrinsic Value
Outstanding at January 1, 2018	4,000	$	3.77	$	—
Granted	35,000	$	2.56	$	—
Vested	(35,000)	$	2.69	$	—
Outstanding at December 31, 2018	4,000	$	2.68	$	—
Outstanding at January 1, 2019	4,000	$	2.68	$	—
Granted	36,000	$	2.50	$	—
Vested	(37,000)	$	2.47	$	—
Outstanding at December 31, 2019	3,000	$	3.03	$	—

Share-based Compensation, Stock Options, Activity

Changes in stock options outstanding under the Incentive Compensation Plans during 2019 and 2018 are as follows:

Options	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Term (Years)	Aggregate Intrinsic Value
Balance at December 31, 2017	615,000	$	2.87	3.48	$	22,000
Granted	16,000	$	2.68	6.46	$	—
Forfeited	(18,000)	$	3.15	—	$	—
Balance at December 31, 2018	613,000	$	2.85	3.14	$	—
Granted	18,000	$	2.87	7.00	$	—
Exercised	(16,000)	$	2.59	—	$	—
Forfeited	(165,000)	$	3.07	—	$	—
Balance at December 31, 2019	450,000	$	2.78	2.44	$	27,000
Exercisable at December 31, 2018	488,000	$	2.87	2.55	$	—
Exercisable at December 31, 2019	425,000	$	2.79	2.25	$	—

Schedule of Nonvested Share Activity

A summary of the status of the Company’s non-vested stock options as of December 31, 2019 and 2018, and changes during the years ended December 31, 2019 and 2018 is presented below:

Nonvested Options	Number of Options	Weighted Average Grant-Date Fair Value
Nonvested at December 31, 2017	220,000	$	1.20
Granted	16,000	$	1.45
Vested	(111,000)	$	1.22
Nonvested at December 31, 2018	125,000	$	1.20
Granted	18,000	$	1.54
Vested	(118,000)	$	1.22
Nonvested at December 31, 2019	25,000	$	1.40

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions

The fair value of the Company’s option grants under the Plan in 2019, 2018 and 2017 was estimated using the following assumptions:

	2019		2018		2017
Expected life (years)	7.0		7.0		7.0
Expected forfeiture rate	0.0	%	0.0	%	0.0	%
Expected volatility	50	%	50	%	53	%
Dividend yield	0	%	0	%	0	%
Risk-free interest rate	1.9	%	2.9	%	2.0	%

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RELATED PARTY TRANSACTIONS (Details Textual) $ in Thousands	12 Months Ended
	Dec. 31, 2019 USD ($)
Mevion Medical Systems Inc
Related Party Transaction [Line Items]
Non-refundable deposits	$ 2,250
Cost of repairs	$ 977
GKF Subsidiary
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	81.00%
U.S. Subsidiary Of Elekta
Related Party Transaction [Line Items]
Noncontrolling Interest, Ownership Percentage by Parent	19.00%

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INCOME TAXES - Schedule of Amounts Presented in Financial Statements (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Income Tax Disclosure [Abstract]
Deferred income taxes (non-current)	$ (2,514)	$ (2,958)
Net deferred tax liabilities	$ (2,514)	$ (2,958)

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LEASES - Summary of Maturities of Lessee Operating Lease (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Leases [Abstract]
2020	$ 339
2021	347
2022	332
2023	214
Thereafter	5
Total lease payments	1,237
Less imputed interest	(131)
Total	$ 1,106

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LONG-TERM DEBT (Details) $ in Thousands	Dec. 31, 2019 USD ($)
Principal
2020	$ 1,526
2021	711
2022	263
2023	280
2024	299
Thereafter	401
Long-term debt	3,480
Interest
2020	163
2021	101
2022	71
2023	54
2024	36
Thereafter	17
Interest	$ 442