10-Q

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

(Mark One)

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the quarterly period ended June 30, 2018

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: 001-36385

BIOLASE, INC.

(Exact name of registrant as specified in its charter)

Delaware	87-0442441
(State or other jurisdiction of incorporation or organization)	(I.R.S. Employer Identification No.)

4 Cromwell

Irvine, California 92618

(Address of principal executive offices) (Zip code)

(949) 361-1200

(Registrant’s telephone number, including area code)

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  ☒    No  ☐

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted 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 and post such files).    Yes  ☒    No  ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, 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	☐  (Do not check if a smaller reporting company)	Smaller reporting company	☒
		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 whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act.):    Yes  ☐    No  ☒

As of August 6, 2018, the registrant had 20,596,901 shares of common stock, $0.001 par value per share, outstanding.  

BIOLASE, INC.

INDEX

		Page
PART I.	FINANCIAL INFORMATION
Item 1.	Financial Statements (Unaudited):	3
	Consolidated Balance Sheets as of June 30, 2018 and December 31, 2017	3
	Consolidated Statements of Operations and Comprehensive Loss for the three and six months ended June 30, 2018 and June 30, 2017	4
	Consolidated Statements of Cash Flows for the six months ended June 30, 2018 and 2017	5
	Notes to Consolidated Financial Statements	6
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations	24
Item 3.	Quantitative and Qualitative Disclosures About Market Risk	36
Item 4.	Controls and Procedures	36
PART II	OTHER INFORMATION	36
Item 1.	Legal Proceedings	36
Item 1A.	Risk Factors	36
Item 6.	Exhibits	37
Signatures		39

2

PART I. FINANCIAL INFORMATION

ITEM  1. FINANCIAL STATEMENTS

BIOLASE, INC.

CONSOLIDATED BALANCE SHEETS (Unaudited)

(in thousands, except share and per share data)

	June 30,			December 31,
	2018			2017
ASSETS
Current assets:
Cash and cash equivalents	$	2,895		$	11,645
Restricted cash equivalent		251			251
Accounts receivable, less allowance of $1,004 in 2018 and    $802 in 2017		10,399			10,124
Inventory, net		14,008			12,298
Prepaid expenses and other current assets		1,602			1,732
Total current assets		29,155			36,050
Property, plant, and equipment, net		3,164			3,674
Goodwill		2,926			2,926
Other assets		404			334
Total assets	$	35,649		$	42,984
LIABILITIES AND STOCKHOLDERS' EQUITY
Current liabilities:
Accounts payable	$	6,932		$	5,109
Accrued liabilities		5,575			5,609
Customer deposits		15			27
Deferred revenue, current portion		2,212			2,625
Total current liabilities		14,734			13,370
Deferred income taxes, net		106			104
Deferred revenue, long-term		6			11
Loan payable, long-term		80			—
Warranty accrual, long-term		221			70
Other liabilities, long-term		112			169
Total liabilities		15,259			13,724
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, par value $0.001 per share; 1,000,000    shares authorized; 0 shares issued and outstanding    as of June 30, 2018 and December 31, 2017, respectively		—			—
Common stock, par value $0.001 per share; 40,000,000   shares authorized, 20,596,901 and 20,467,936 shares   issued and outstanding as of June 30, 2018 and   December 31, 2017, respectively		20			20
Additional paid-in-capital		226,089			224,992
Accumulated other comprehensive loss		(610	)		(576	)
Accumulated deficit		(205,109	)		(195,176	)
Total stockholders' equity		20,390			29,260
Total liabilities and stockholders' equity	$	35,649		$	42,984

See accompanying notes to unaudited consolidated financial statements.

3

BIOLASE, INC.

CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (Unaudited)

(in thousands, except per share data)

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Products and services revenue	$	12,151		$	12,580		$	22,168		$	23,422
License fees and royalty revenue		3			32			6			64
Net revenue		12,154			12,612			22,174			23,486
Cost of revenue		7,846			7,908			14,833			14,829
Gross profit		4,308			4,704			7,341			8,657
Operating expenses:
Sales and marketing		4,657			4,534			8,548			8,718
General and administrative		2,969			2,840			6,006			5,256
Engineering and development		1,361			1,810			2,650			3,239
Total operating expenses		8,987			9,184			17,204			17,213
Loss from operations		(4,679	)		(4,480	)		(9,863	)		(8,556	)
Gain (loss) on foreign currency transactions		(187	)		217			20			216
Interest expense (income), net		(35	)		10			(47	)		19
Non-operating income (loss), net		(222	)		227			(27	)		235
Loss before income tax provision		(4,901	)		(4,253	)		(9,890	)		(8,321	)
Income tax provision		10			36			42			76
Net loss		(4,911	)		(4,289	)		(9,932	)		(8,397	)
Other comprehensive income item:
Foreign currency translation adjustment		(118	)		157			(34	)		187
Comprehensive loss	$	(5,029	)	$	(4,132	)	$	(9,966	)	$	(8,210	)
Net loss	$	(4,911	)	$	(4,289	)	$	(9,932	)	$	(8,397	)
Deemed dividend on convertible preferred stock		—			(3,978	)		—			(3,978	)
Net loss attributable to common stockholders	$	(4,911	)	$	(8,267	)	$	(9,932	)	$	(12,375	)
Net loss per share:
Basic	$	(0.24	)	$	(0.61	)	$	(0.48	)	$	(0.91	)
Diluted	$	(0.24	)	$	(0.61	)	$	(0.48	)	$	(0.91	)
Shares used in the calculation of net loss per share:
Basic		20,538			13,561			20,504			13,539
Diluted		20,538			13,561			20,504			13,539

See accompanying notes to unaudited consolidated financial statements.

4

BIOLASE, INC.

CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited)

(in thousands)

	Six Months Ended
	June 30,
	2018			2017
Cash Flows from Operating Activities:
Net loss	$	(9,932	)	$	(8,397	)
Adjustments to reconcile net loss to net cash and    cash equivalents used in operating activities:
Depreciation and amortization		509			577
Provision for bad debts, net		230			55
Provision for inventory excess and obsolescence		59			225
Amortization of discounts on lines of credit		17			—
Amortization of debt issuance costs		25			—
Stock-based compensation		1,258			1,140
Deferred income taxes		2			30
Earned interest income, net		(1	)		(19	)
Changes in operating assets and liabilities:
Accounts receivable		(504	)		(55	)
Inventory		(1,769	)		(1,894	)
Prepaid expenses and other current assets		105			433
Customer deposits		(12	)		24
Accounts payable and accrued liabilities		2,086			(2,673	)
Deferred revenue		(418	)		(353	)
Net cash and cash equivalents used in operating activities		(8,345	)		(10,907	)
Cash Flows from Investing Activities:
Purchases of property, plant, and equipment		(110	)		(637	)
Net cash and cash equivalents used in investing activities		(110	)		(637	)
Cash Flows from Financing Activities:
Principal payments under capital lease obligation		(46	)		(86	)
Borrowings under lines of credit		1,823			—
Payments under lines of credit		(1,823	)		—
Payments of debt issuance costs		(87	)		—
Proceeds from equity offering, net of expenses		—			10,457
Payments of equity offering costs		(138	)		—
Proceeds from exercise of stock options		2			3
Net cash and cash equivalents (used in) provided by financing activities		(269	)		10,374
Effect of exchange rate changes		(26	)		162
Decrease in cash, cash equivalents and restricted cash		(8,750	)		(1,008	)
Cash, cash equivalents and restricted cash, beginning of period		11,896			9,175
Cash, cash equivalents and restricted cash, end of period	$	3,146		$	8,167
Supplemental cash flow disclosure - Cash Paid:
Interest paid	$	—		$	1
Income taxes paid	$	15		$	137
Supplemental cash flow disclosure - Non-cash:
Accrued capital expenditures and tenant improvement allowance	$	—		$	158

See accompanying notes to unaudited consolidated financial statements.

5

NOTES TO CONSOLIDATED FINANCIAL STATEMENTS (UNAUDITED)

NOTE 1—DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

The Company

BIOLASE, Inc. (“BIOLASE” and, together with its consolidated subsidiaries, the “Company”), incorporated in Delaware in 1987, is a medical device company that develops, manufactures, markets, and sells laser systems in dentistry and medicine and also markets, sells, and distributes dental imaging equipment, including three-dimensional CAD/CAM intra-oral scanners and digital dentistry software.

Basis of Presentation

The unaudited consolidated financial statements include the accounts of BIOLASE and its wholly-owned subsidiaries and have been prepared on a basis consistent with the December 31, 2017 audited consolidated financial statements and include all material adjustments, consisting of normal recurring adjustments and the elimination of all material intercompany transactions and balances, necessary to fairly present the information set forth therein. These unaudited, interim, consolidated financial statements do not include all the footnotes, presentations, and disclosures normally required by accounting principles generally accepted in the United States of America (“GAAP”) for complete consolidated financial statements. Certain amounts have been reclassified to conform to current period presentations.

The consolidated results of operations for the three and six months ended June 30, 2018 are not necessarily indicative of the results for the full year. The accompanying consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2017, included in BIOLASE’s Annual Report on Form 10-K for the year ended December 31, 2017 filed with the Securities and Exchange Commission (the “SEC”) on March 14, 2018 (the “2017 Form 10-K”).

Liquidity and Management’s Plans

The Company incurred a loss from operations and a net loss, and used cash in operating activities for the three and six months ended June 30, 2018. The Company’s recurring losses, level of cash used in operations, and potential need for additional capital, along with uncertainties surrounding the Company’s ability to raise additional capital, raise substantial doubt about the Company’s ability to continue as a going concern. The financial statements do not include any adjustments that might be necessary if the Company is unable to continue as a going concern.

On March 6, 2018, BIOLASE and two of its wholly-owned subsidiaries entered into a Business Financing Agreement (the “Business Financing Agreement”) with Western Alliance Bank (“Western Alliance”), which provides for borrowings of up to $6.0 million. The Company had no borrowings outstanding under these lines of credit as of June 30, 2018. See Note 9 – Lines of Credit for additional information.

As of June 30, 2018, the Company had working capital of approximately $14.4 million. The Company’s principal sources of liquidity as of June 30, 2018 consisted of approximately $3.1 million in cash and cash equivalents and restricted cash, $10.4 million of accounts receivable and $3.9 million available under the Business Financing Agreement. 

In order for the Company to continue operations beyond the next 12 months and be able to discharge its liabilities and commitments in the normal course of business, the Company must increase sales of its products directly to end-users and through distributors, establish profitable operations through the combination of increased sales and decreased expenses, generate cash from operations or obtain additional funds when needed. The Company intends to improve its financial condition and ultimately improve its financial results by increasing revenues through expansion of its product offerings, continuing to expand and develop its field sales force and distributor relationships, both domestically and internationally, forming strategic arrangements within the dental and medical industries, educating dental and medical patients as to the benefits of its advanced medical technologies, and reducing expenses.

6

Additional capital requirements may depend on many factors, including, among other things, continued losses, the rate at which the Company’s business grows, demands for working capital, manufacturing capacity, and any acquisitions that the Company may pursue. From time to time, the Company could be required, or may otherwise attempt, to raise capital, through either equity or debt offerings, or enter into an additional line of credit facility. As discussed in Note 9, on March 6, 2018, BIOLASE entered into the Business Financing Agreement, providing for a secured line of credit. The Company cannot provide assurance that it will be able to successfully consummate any equity or debt financings or enter into any other line of credit facility in the future. The Company also cannot provide assurance that the required capital would be available on acceptable terms, if at all, or that any such financing activity would not be dilutive to the Company’s stockholders.

Reverse Stock Split

Except as the context otherwise requires, all share numbers and share price amounts (including exercise prices and closing market prices) contained in the unaudited financial statements and notes thereto reflect the reverse stock split effectuated by the Company on May 10, 2018. See Note 4 – Stockholders’ Equity for additional information.

NOTE 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Use of Estimates

The preparation of these consolidated financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect amounts reported in the consolidated financial statements and the accompanying notes. Significant estimates in these consolidated financial statements include allowances on accounts receivable, inventory, and deferred taxes, as well as estimates for accrued warranty expenses, the ability of goodwill to be realized, revenue deferrals, effects of stock-based compensation and warrants, contingent liabilities, and the provision or benefit for income taxes. Due to the inherent uncertainty involved in making estimates, actual results reported in future periods may differ materially from those estimates.

Critical Accounting Policies

Information with respect to the Company’s critical accounting policies, which management believes could have the most significant effect on the Company’s reported results and require subjective or complex judgments by management is contained in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” of the 2017 Form 10-K. Management believes that there have been no significant changes during the six months ended June 30, 2018 in the Company’s critical accounting policies from those disclosed in Item 7 of the 2017 Form 10-K.

Fair Value of Financial Instruments

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants in the principal market (or, if none exists, the most advantageous market) for the specific asset or liability at the measurement date (referred to as the “exit price”). The fair value is based on assumptions that market participants would use, including a consideration of nonperformance risk. Under the accounting guidance for fair value hierarchy there are three levels of measurement inputs. Level 1 inputs are quoted prices in active markets for identical assets or liabilities. Level 2 inputs reflect input other than quoted prices included in Level 1 that are observable, either directly or through collaboration with observable market data, other than Level 1. Level 3 inputs are unobservable due to little or no corroborating market data.

The Company’s financial instruments, consisting of cash, cash equivalents and restricted cash, accounts receivable, accounts payable, and accrued liabilities, approximate fair value because of the short maturity of these items.

Recent Accounting Pronouncements

Changes to GAAP are established by the Financial Accounting Standards Board (“FASB”) in the form of accounting standards updates (“ASUs”) to the FASB’s Accounting Standards Codification.

7

The Company considers the applicability and impact of all ASUs. ASUs not listed below were assessed and determined not to be applicable or are expected to have minimal impact on the Company’s consolidated financial position and results of operations.

Adopted Accounting Pronouncements

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”). The core principle of ASU 2014-09 is to recognize revenues when promised goods or services are transferred to customers in an amount that reflects the consideration to which an entity expects to be entitled for those goods or services. The standard is effective for annual periods beginning after December 15, 2017, and interim periods therein.

ASU 2014-09 supersedes existing guidance on revenue recognition with a five-step model for recognizing and measuring revenue from contracts with customers. The objective of the new standard is to provide a single, comprehensive revenue recognition model for all contracts with customers to improve comparability within industries, across industries, and across capital markets. The underlying principle is that an entity will recognize revenue to depict the transfer of goods or services to customers at an amount that the entity expects to be entitled to in exchange for those goods or services. The guidance also requires a number of disclosures regarding the nature, amount, timing, and uncertainty of revenue and the related cash flows. The guidance can be applied retrospectively to each prior reporting period presented (full retrospective method) or retrospectively with a cumulative effect adjustment to retained earnings for initial application of the guidance at the date of initial adoption (modified retrospective method). The Company adopted the new standard effective January 1, 2018 using the modified retrospective method applied to those contracts that were not completed or substantially completed as of January 1, 2018. The timing and measurement of revenue recognition under the new standard is not materially different than under the old standard. The adoption of the new standard did not have an impact on the Company’s consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows (Topic 230) (“ASU 2016-15”). The updated standard addresses eight specific cash flow issues with the objective of reducing diversity in practice. ASU 2016-15 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. Early adoption is permitted.  The Company adopted ASU 2016-15 as of January 1, 2018. The adoption of ASU 2016-15 did not have an impact on the Company’s consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows (Topic 230) (“ASU 2016-18”). The updated standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. ASU 2016-18 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. The Company adopted ASU 2016-18 as of January 1, 2018. The adoption of ASU 2016-18 did not have a material effect on the Company’s consolidated financial statements.

In May 2017, the FASB issued ASU 2017-09, Compensation – Stock Compensation (Topic 718) (“ASU 2017-09”). The updated standard clarifies when an entity must apply modification accounting to changes in the terms or conditions of a share-based payment award. ASU 2017-09 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. Early adoption is permitted.  The Company adopted ASU 2017-09 as of January 1, 2018. The adoption of ASU 2017-09 did not have a material effect on the Company’s consolidated financial statements.

8

Recently Issued Accounting Standards

In February 2016, FASB issued ASU 2016-02, Leases (“ASU 2016-02”). The new standard establishes a right-of-use (“ROU”) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. The Company is currently evaluating the impact of its pending adoption of ASU 2016-02 on its consolidated financial statements.

In July 2017, FASB issued ASU 2017-11 (Part I) Accounting for Certain Financial Instruments with Down Round Features, (Part II) Replacement of the Indefinite Deferral for Mandatorily Redeemable Financial Instruments of Certain Nonpublic Entities and Certain Mandatorily Redeemable Noncontrolling Interests with a Scope Exception (“ASU 2017-11”). The new standard simplifies the accounting for certain financial instruments with down round features. Part I of ASU 2017-11 changes the classification analysis of certain equity-linked financial instruments, such as warrants and embedded conversion features, such that a down round feature is disregarded when assessing whether the instrument is indexed to an entity’s own stock under Subtopic 815-40, Contracts in Entity’s Own Equity. As a result, a down round feature, by itself, no longer requires an instrument to be remeasured at fair value through earnings each period, although all other aspects of the indexation guidance under Subtopic 815-40 continue to apply. Part II of ASU 2017-11 recharacterizes the indefinite deferral of certain provisions of Topic 480, Distinguishing Liabilities from Equity, (currently presented as pending content in the Codification) as a scope exception. No change in the Company’s practice is expected as a result of these amendments. The new standard is effective for fiscal years beginning after December 15, 2018, Early adoption is permitted. The amendments in Part II have no accounting impact and therefore do not have an associated effective date. The Company is currently evaluating the impact of its pending adoption of ASU 2017-11 on its consolidated financial statements.

NOTE 3 – REVENUE RECOGNITION

Contracts with Customers

Revenue for sales of products and services is derived from contracts with customers. The products and services promised in contracts include delivery of laser systems, imaging systems, and consumables as well as certain ancillary services such as training and extended warranties. Contracts with each customer generally state the terms of the sale, including the description, quantity and price of each product or services. Payment terms are stated in the contract and vary according to the arrangement. Because the customer typically agrees to a stated rate and price in the contract that does not vary over the life of the contract, the Company’s contracts do not contain variable consideration.  The Company establishes a provision for estimated warranty reserves. For further information on warranty, see Note 8 – Accrued Liabilities.

Performance Obligations

At contract inception, the Company assesses the products and services promised in its contracts with customers. The Company then identifies performance obligations to transfer distinct products or services to the customers. In order to identify performance obligations, the Company considers all of the products or services promised in contracts regardless of whether they are explicitly stated or are implied by customary business practices.

Revenue from products and services transferred to customers at a single point in time accounted for 87% and 85% of net revenue for the three and six months ended June 30, 2018, respectively. The majority of the Company’s revenue recognized at a point in time is for the sale laser systems, imaging systems, and consumables. Revenue from these contracts is recognized when the customer is able to direct the use of and obtain substantially all of the benefits from the product which generally coincides with title transfer during the shipping process.

Revenue from services transferred to customers over time accounted for 13% and 15% of net revenue for the three and six months ended June 30, 2018, respectively. The majority of the Company’s revenue that is recognized over time relates to training and extended warranties.

9

Transaction Price Allocation

The transaction price for a contract is allocated to each distinct performance obligation and recognized as revenue when, or as, each performance obligation is satisfied. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using the best estimate of the standalone selling price of each distinct good or service in a contract. The primary method used to estimate standalone selling price is the observable price when the good or service is sold separately in similar circumstances and to similar customers.

Significant Judgments

Revenue is recorded for extended warranty over time as the customer benefits from the warranty coverage. This revenue will be recognized equally throughout the contract period as the customer receives benefits from the Company's promise to provide such services. Revenue is recorded for training as the customer attends a training program or upon the expiration of the obligation.

The Company also has contracts that include both the product sales and training as performance obligations. In those cases, the Company records revenue for product at the point in time when the product has been shipped. The customer obtains control of the product when it is shipped, as all shipments are made FOB shipping point, and after the customer selects its shipping method and pays all shipping costs and insurance. The Company has concluded that control is transferred to the customer upon shipment.

Accounts Receivable

Accounts receivable are stated at estimated net realizable value. The allowance for doubtful accounts is based on an analysis of customer accounts and the Company’s historical experience with accounts receivable write-offs.

Contract Liabilities

The Company performs its obligations under a contract with a customer by transferring products and/or services in exchange for consideration from the customer. The Company typically invoices its customers as soon as control of an asset is transferred and a receivable for the Company is established. The Company, however, recognizes a contract liability when a customer prepays for goods and/or services and the Company has not transferred control of the goods and/or services. The opening and closing balances of the Company’s contract liabilities are as follows (in thousands):

	June 30,		December 31,
	2018		2017
Undelivered elements (training and product and support     services; installation for 2017)	$	624	$	980
Extended warranty contracts		1,577		1,634
Deferred royalties		17		22
Total deferred revenue		2,218		2,636
Less long-term amounts:
Deferred royalties		6		11
Total deferred revenue - long-term		6		11
Total deferred revenue - current	$	2,212	$	2,625

The balance of contract assets was immaterial as the Company did not have a significant amount of uninvoiced receivables in the periods ended June 30, 2018 and December 31, 2017.

The amount of revenue recognized during the period that was included in the opening contract liability balance related to undelivered elements was $0.6 million, related to extended warranty contracts was $0.7 million and deferred royalties was $6,000.

10

Disaggregation of Revenue

The Company disaggregates revenue from contracts with customers into geographical regions and by the timing of when goods and services are transferred. The Company determined that disaggregating revenue into these categories depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by regional economic factors.

The Company’s revenues related to the following geographic areas were as follows for the periods indicated (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
United States	$	7,164	$	8,194	$	12,857	$	15,037
International		4,990		4,418		9,317		8,449
	$	12,154	$	12,612	$	22,174	$	23,486

Information regarding revenues disaggregated by the timing of when goods and services are transferred is as follows (in thousands):

	Three Months Ended	Six Months Ended
	June 30, 2018	June 30, 2018
Revenue recognized over time	$                             1,557	$                                 3,254
Revenue recognized at a point in time	10,597	18,920
Total	$                            12,154	$                                22,174

The Company’s sales by end market were as follows for the periods indicated (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
End-customer	$	7,675	$	8,651	$	13,712	$	15,796
Distributors		4,479		3,961		8,462		7,690
	$	12,154	$	12,612	$	22,174	$	23,486

The Company acts as the principal in all its imaging equipment distribution sales. The Company takes possession and control of the equipment before they are sold and transferred to the customer. The Company provides the equipment and any related services directly to the customer. The Company has inventory risk before the equipment is transferred to a customer. The Company purchases and obtains the goods before obtaining a contract with a customer. The Company also has discretion in establishing the price sold to the customer for the equipment.

11

The percentages of the Company’s sales by product line were as follows for the periods indicated:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Waterlase (laser systems)		42.9	%		42.4	%		39.2	%		41.3	%
Diodes (laser systems)		22.3	%		20.7	%		22.2	%		21.3	%
Imaging systems		3.1	%		7.5	%		4.3	%		6.7	%
Consumables and other		18.9	%		16.3	%		19.6	%		15.9	%
Services		12.8	%		12.8	%		14.7	%		14.5	%
License fees and royalties		—	%		0.3	%		—	%		0.3	%
		100.0	%		100.0	%		100.0	%		100.0	%

Shipping and Freight Costs

Shipping and freight costs are treated as fulfillment costs. For shipments to end-customers, the customer bears the shipping and freight costs and has control of the product upon shipment. For shipments to distributors, the distributor bears the shipping and freight costs, including insurance, tariffs and other import/export costs.

Practical Expedients

For the period ended June 30, 2018, the Company elected the following practical expedients:

In accordance with Subtopic 340-40 "Other Assets and Deferred Costs - Contracts with Customers,” the Company elected to expense the incremental costs of obtaining a contract when the amortization period for such contracts would have been one year or less.

The Company has made an accounting policy election to exclude all taxes by governmental authorities from the measurement of the transaction price.

NOTE 4—STOCKHOLDERS’ EQUITY

Reverse Stock Split

At BIOLASE’s annual meeting of stockholders on May 9, 2018 (the “Annual Meeting”), BIOLASE stockholders approved an amendment to BIOLASE’s Restated Certificate of Incorporation, as amended, to effect a reverse stock split of BIOLASE common stock, at a ratio ranging from one-for-five (1:5) to one-for-fifteen (1:15), with the final ratio to be determined by the BIOLASE board of directors (the “Board”). Immediately after the Annual Meeting, the Board approved a one-for-five (1:5) reverse stock split of the outstanding shares of BIOLASE common stock (the “Reverse Stock Split”). On May 10, 2018, the Company filed an amendment (the “Amendment”) to its Restated Certificate of Incorporation, as amended, with the Secretary of State of the State of Delaware to effect the Reverse Stock Split, effective as of 11:59 p.m. on May 10, 2018. The Amendment also reduced the authorized shares of common stock from 200,000,000 shares to 40,000,000 shares.     

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Stock-Based Compensation

2002 Stock Incentive Plan

The 2002 Stock Incentive Plan (as amended effective as of May 26, 2004, November 15, 2005, May 16, 2007, May 5, 2011, June 6, 2013, October 30, 2014, April 27, 2015, and May 6, 2016) (the “2002 Plan”), which was replaced by the 2018 Plan (as defined below) with respect to future equity awards. Persons eligible to receive awards under the 2002 Plan included officers, employees, and directors of the Company, as well as consultants. As of June 30, 2018, a total of 3.1 million shares of BIOLASE common stock have been authorized for issuance under the 2002 Plan, of which 0.9 million shares of BIOLASE common stock have been issued pursuant to options that were exercised and restricted stock units (“RSUs”) that were settled in common stock and 1.9 million shares of BIOLASE common stock have been reserved for outstanding options and unvested RSUs.

2018 Stock Incentive Plan

At the Annual Meeting, BIOLASE stockholders approved the BIOLASE, Inc. 2018 Long-Term Incentive Plan (the “2018 Plan”). The purposes of the 2018 Plan are (i) to align the interests of the Company’s stockholders and recipients of awards under the 2018 Plan by increasing the proprietary interest of such recipients in the Company’s growth and success; (ii) to advance the interests of the Company by attracting and retaining non-employee directors, officers, other employees, consultants, independent contractors and agents; and (iii) to motivate such persons to act in the long-term best interests of the Company and its stockholders.

Subject to the terms and conditions of the 2018 Plan, the number of shares authorized for grants under the 2018 Plan is 2,035,287, which is equal to 2,120,547, reduced by 85,260 shares, which is the number of shares subject to awards granted under the 2002 Plan on or after March 1, 2018, as adjusted for the Reverse Stock Split. As of June 30, 2018, a total of 2.0 million shares of BIOLASE common stock have been authorized for issuance under the 2018 Plan, of which 1.6 million shares of BIOLASE common stock have been reserved for outstanding options and unvested RSUs, and 0.4 million shares of BIOLASE common stock remain available for future grants.

The Company recognized stock-based compensation expense of $0.6 million and $0.8 million, for the three months ended June 30, 2018 and 2017, respectively, and $1.3 million and $1.1 million, for the six months ended June 30, 2018 and 2017, respectively, based on the grant-date fair value. Stock-based compensation expense for the six months ended June 30, 2018 and 2017 includes the reversal of $0.1 million and $0.5 million, respectively, resulting from the reassessment of certain performance-based equity awards. The net impact of stock-based compensation expense to earnings was $(0.03), and $(0.06) per basic and diluted share for the three months ended June 30, 2018 and 2017, respectively, and $(0.06) and $(0.08) per basic and diluted share for the six months ended June 30, 2018 and 2017, respectively. At June 30, 2018, the Company had approximately $3.6 million of total unrecognized compensation expense, net of estimated forfeitures, related to unvested share-based compensation arrangements. The Company expects that expense to be recognized over a weighted-average period of 2.0 years.

The following table summarizes the income statement classification of compensation expense associated with share-based payments (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Cost of revenue	$	105	$	67	$	162	$	107
Sales and marketing		154		93		234		166
General and administrative		207		506		674		699
Engineering and development		91		95		188		168
	$	557	$	761	$	1,258	$	1,140

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The stock option fair values were estimated using the Black-Scholes option-pricing model with the following assumptions:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Expected term	5.7 years			5.4 years			5.9 years			5.6 years
Volatility		81.2	%		77.6	%		81.4	%		78.5	%
Annual dividend per share	$	—		$	—		$	—		$	—
Risk-free interest rate		2.71	%		1.98	%		2.46	%		1.98	%

A summary of option activity for the six months ended June 30, 2018 is as follows (in thousands, except per share data):

						Weighted Average
				Weighted		Remaining		Aggregate
				Average		Contractual		Intrinsic
	Shares			Exercise Price		Term (Years)		Value(1)
Options outstanding, December 31, 2017		1,924		$	8.62		7.21	$	—
Granted at fair market value		402			2.09
Exercised		(1	)		2.10
Forfeited, cancelled, or expired		(322	)		11.12
Options outstanding at June 30, 2018		2,003		$	6.91		6.14	$	—
Options exercisable at June 30, 2018		1,095		$	8.75		4.97	$	—
Vested options expired during the quarter    ended June 30, 2018		191		$	14.29

(1) The intrinsic value calculation does not include negative values. This can occur when the fair market value on the reporting date is less than the exercise price of the grant.

A summary of unvested stock option activity for the six months ended June 30, 2018 is as follows (in thousands, except per share data):

				Weighted
				Average Grant
	Shares			Date Fair Value
Unvested options at December 31, 2017		846		$	3.14
Granted		402		$	1.46
Vested		(240	)	$	3.59
Forfeited or cancelled		(99	)	$	2.55
Unvested options at June 30, 2018		909		$	2.34

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Cash proceeds, along with fair value disclosures related to grants, exercises, and vested options are as follows (in thousands, except per share amounts):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Proceeds from stock options exercised	$	—	$	3	$	2	$	3
Tax benefit related to stock options    exercised (1)	N/A		N/A		N/A		N/A
Intrinsic value of stock options exercised (2)	$	—	$	1	$	—	$	1
Weighted-average fair value of options granted    during period	$	1.27	$	3.94	$	1.46	$	4.60
Total fair value of shares vested during    the period	$	843	$	364	$	245	$	698

(1) Excess tax benefits received related to stock option exercises are presented as financing cash inflows. The Company currently does not receive a tax benefit related to the exercise of stock options due to the Company’s net operating losses.

(2) The intrinsic value of stock options exercised is the amount by which the market price of the stock on the date of exercise exceeded the market price of the stock on the date of grant.

Effective January 25, 2018, the Compensation Committee of the Board awarded 360,000 non-qualified stock options to purchase shares of BIOLASE common stock to certain employees of the Company. These awards were valued at $2.11 per share, the Reverse Stock Split-adjusted closing market price of BIOLASE common stock on the grant date, and expire 10 years from the grant date. The options vest ratably over the 36-month period, commencing on February 25, 2018.

Restricted Stock Units

Under the 2002 Plan, effective January 26, 2018, the Board issued 40,000 RSUs to the Company’s President and Chief Executive Officer. This award was valued at $2.00 per share, the Reverse Stock Split-adjusted closing market price of BIOLASE common stock on the grant date, and will vest upon the achievement of specific annual Company performance criteria.

Under the 2018 Plan, effective May 14, 2018, the Compensation Committee of the Board granted the following:

• 1,193,850 shares to certain Board members, employees and consultants of the Company. These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and vest 40% on December 31, 2018 and 60% on December 31, 2019, subject to continued service through the applicable vesting date.

• 398,275 shares to certain Board members of the Company. These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and fully vest on the first anniversary of the grant date, subject to continued service through the applicable vesting date.

• 10,127 shares to certain employees of the Company. These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and were fully vested on the grant date., subject to continued service through the applicable vesting date.

Under the 2018 Plan, effective June 15, 2018, the Board granted 155,000 RSUs to the new Board members. These awards were valued at $1.25 per share, the closing price of BIOLASE common stock on the grant date, and vest fully on May 9, 2019.

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A summary of unvested RSU activity for the six months ended June 30, 2018 is as follows (in thousands, except per share amounts):

				Weighted
				Average Grant
	Shares			Date Fair Value
Unvested restricted stock units at December 31, 2017		358		$	4.84
Granted		2,456		$	1.44
Vested		(212	)	$	2.38
Forfeited or cancelled		(208	)	$	4.48
Unvested restricted stock units at June 30, 2018		2,394		$	1.51

Warrants

The Company issues warrants to acquire shares of BIOLASE common stock as approved by the Board. A summary of warrant activity for the six months ended June 30, 2018 is as follows (in thousands, except exercise price amounts):

			Weighted
			Average
	Shares		Exercise Price
Warrants outstanding, December 31, 2017		1,225	$	9.63
Granted or Issued		52	$	2.35
Exercised		—	$	—
Forfeited, cancelled, or expired			$	—
Warrants outstanding at June 30, 2018		1,277	$	9.33
Warrants exercisable at June 30, 2018		1,250	$	9.10
Vested warrants expired during the quarter    ended June 30, 2018		—	$	—

On March 6, 2018, in connection with the execution of the Business Financing Agreement, the Company issued to Western Alliance warrants (the “Western Alliance Warrants”) to purchase up that number of shares of BIOLASE common stock equal to $120,000 divided by the applicable exercise price at the time such warrants are exercised. The Western Alliance Warrants are fully vested and exercisable. The Western Alliance Warrants may be exercised with a cash payment from Western Alliance, or, in lieu of a cash payment, Western Alliance may convert the warrants into a number of shares, in whole or in part. The initial exercise price of the warrants was $2.35 per share, which was the Reverse Stock Split-adjusted closing market price of BIOLASE common stock on March 6, 2018.  See Note 9 – Lines of Credit for further discussion.

Net Loss Per Share – Basic and Diluted

Basic net income (loss) per share is computed by dividing income (loss) available to common stockholders by the weighted-average number of shares of BIOLASE common stock outstanding for the period. In computing diluted net income (loss) per share, the weighted average number of shares outstanding is adjusted to reflect the effect of potentially dilutive securities.

Outstanding stock options, RSUs and warrants to purchase approximately 5.1 million shares were not included in the calculation of diluted loss per share for the three and six months ended June 30, 2018, as their effect would have been anti-dilutive. For the same 2017 periods, anti-dilutive outstanding stock options and warrants to purchase 5.4 million shares were not included in the computation of diluted loss per share.

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NOTE 5—INVENTORY

Inventory is valued at the lower of cost or net realizable value and is comprised of the following (in thousands):

	June 30,		December 31,
	2018		2017
Raw materials	$	4,301	$	3,953
Work-in-process		1,776		1,162
Finished goods		7,931		7,183
Inventory, net	$	14,008	$	12,298

Inventory is net of a provision for excess and obsolete inventory totaling $1.8 million and $1.9 million as of June 30, 2018 and December 31, 2017, respectively.

NOTE 6—PROPERTY, PLANT, AND EQUIPMENT

Property, plant, and equipment, net is comprised of the following (in thousands):

	June 30,			December 31,
	2018			2017
Building	$	217		$	220
Leasehold improvements		2,005			2,005
Equipment and computers		6,884			6,883
Furniture and fixtures		634			634
Construction in progress		1,190			1,182
		10,930			10,924
Accumulated depreciation and amortization		(7,935	)		(7,426	)
		2,995			3,498
Land		169			176
Property, plant, and equipment, net	$	3,164		$	3,674

Depreciation and amortization expense related to property, plant, and equipment totaled $0.2 million and $0.5 million for the three and six months ended June 30, 2018, respectively, and $0.3 million and $0.6 million for the three and six months ended June 30, 2017, respectively.

NOTE 7—INTANGIBLE ASSETS AND GOODWILL

The Company conducted its annual impairment test of goodwill as of June 30, 2018 and determined that there was no impairment. The Company also tests its intangible assets and goodwill between the annual impairment tests if events occur or circumstances change that would more likely than not reduce the fair value of the Company or its assets below their carrying amounts. For intangible assets subject to amortization, the Company performs its impairment test when indicators, such as reductions in demand or significant economic slowdowns, are present. No events have occurred since June 30, 2018 through the date of these consolidated financial statements that would trigger further impairment testing of the Company’s intangible assets and goodwill.

As of June 30, 2018 and December 31, 2017, the Company had goodwill (indefinite life) of $2.9 million. As of June 30, 2018 and December 31, 2017, all intangible assets have been fully amortized. There was no amortization expense for the three and six months ended June 30, 2018 or 2017.

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NOTE 8—ACCRUED LIABILITIES

Accrued liabilities are comprised of the following (in thousands):

	June 30,		December 31,
	2018		2017
Payroll and benefits	$	2,301	$	2,115
Warranty accrual, current portion		1,138		1,120
Taxes		487		544
Accrued professional services		1,041		584
Accrued insurance premium		59		870
Other		549		376
Total accrued liabilities	$	5,575	$	5,609

Changes in the initial product warranty accrual and the expenses incurred under the Company’s initial and extended warranties for the three and six months ended June 30, 2018 and 2017 are included within accrued liabilities on the Consolidated Balance Sheets and were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Initial warranty accrual, beginning balance	$	1,214		$	1,460		$	1,190		$	1,706
Provision for estimated warranty cost		378			25			624			2
Warranty expenditures		(233	)		(200	)		(455	)		(423	)
		1,359			1,285			1,359			1,285
Less warranty accrual, long-term		221			296			221			296
Total warranty accrual, current portion	$	1,138		$	989		$	1,138		$	989

The Company’s Waterlase laser systems sold worldwide are covered by a warranty against defects in material and workmanship for a period of up to 16 months from the date of sale by the Company or a distributor to the end-user. The Company’s Diode systems sold worldwide are covered by a warranty against defects in material and workmanship for a period of up to 28 months from the date of sale by the Company or a distributor to the end-user.

NOTE 9—LINES OF CREDIT

On March 6, 2018, BIOLASE and two of its wholly-owned subsidiaries (such subsidiaries, together with BIOLASE, the “Borrower”) entered into the Business Financing Agreement. Pursuant to the terms and conditions of the Business Financing Agreement, Western Alliance has agreed to provide the Borrower a secured revolving line of credit permitting the Borrower to borrow or receive letters of credit up to the lesser of $6.0 million (the “Domestic Revolver”) (subject to a $6.0 million credit limit relating to domestic eligible accounts receivable (the “domestic credit limit”) and a $3.0 million credit limit relating to export-related (the “EXIM Revolver”) eligible accounts receivable (the “EXIM credit limit”)) and the borrowing base, which is defined as the sum of the domestic borrowing base (up to 75% of the Borrower’s eligible domestic accounts receivable less such reserves as Western Alliance may deem proper and necessary) and the export-related borrowing base (up to 85% of the Borrower’s eligible export-related accounts receivable less such reserves as Western Alliance may deem proper and necessary). The Business Financing Agreement expires on March 6, 2020, and the Borrower’s obligations thereunder are secured by a security interest in all of the Borrower’s assets.

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As of June 30, 2018, the Company had no outstanding borrowings under the Domestic Revolver or the EXIM Revolver. There were no restricted cash balances required by the Domestic Revolver or the EXIM Revolveras of June 30, 2018. The Company’s obligations are generally secured by substantially all of the Company’s assets. The total amount available under the Business Financing Agreement as of June 30, 2018 was $3.9 million. The Company received a notice of non-compliance with certain non-financial covenants, and on August 13, 2018, the Company entered into a waiver agreement (the “Waiver Agreement”) with Western Alliance, which waived the non-compliance with these non-financial covenants, specifically the Company’s failure to transfer bank accounts to Western Alliance and to dissolve certain non-operating subsidiaries. The Company paid fees of $5,000 in connection with the Forbearance Agreement, pursuant to which WAB set the total aggregate available borrowings to $1.5 million.

The Business Financing Agreement requires the Company to maintain compliance with certain financial and non-financial covenants, as defined therein. If a default occurs, Western Alliance may declare the amounts outstanding under the Business Financing Agreement immediately due and payable. As of June 30, 2018, the Company was in compliance with these covenants.

Amounts outstanding under the Business Financing Agreement bear interest at a per annum floating rate equal to the greater of 4.5% or the “Prime Rate” published in the Money Rates section of the Western Edition of The Wall Street Journal (or such other rate of interest publicly announced from time to time by Western Alliance as its “Prime Rate”), plus 1.5% with respect to advances made under the line of credit, plus an additional 5.0% during any period that an event of default has occurred and is continuing. The commitment fee under the Business Financing Agreement is 0.25% of the domestic credit limit and 1.75% of the EXIM credit limit and is payable on March 6, 2018 and each anniversary thereof. As of June 30, 2018, the interest rate on both the Domestic Revolver and EXIM Revolver was 6.5%.

Pursuant to the Business Financing Agreement, the Company paid the first of two annual commitment fees totaling $67,500, being 0.25% of the aggregate $6.0 million commitment for the Domestic Revolver and 1.75% of the aggregate $3.0 million commitment for the EXIM Revolver. The commitment fees and the legal costs associated with acquiring the credit facilities were capitalized and are being amortized on a straight-line basis as interest expense over the term of the Business Financing Agreement.

As additional consideration for the lines of credit, the Company also issued the Western Alliance Warrants. For additional information on the Western Alliance Warrants, see Note 4 – Stockholders’ Equity. The fair value of the Western Alliance Warrants was estimated using the Black-Scholes option-pricing model with the following assumptions: expected term of 10 years; volatility of 91.49%; annual dividend per share of $0.00; and risk-free interest rate of 2.88%; and resulted in an estimated fair value of $0.1 million, which was recorded as a liability and resulted in a discount to the credit facilities at issuance. The discount is being amortized on a straight-line basis to interest expense over the term of the Business Financing Agreement.

NOTE 10—COMMITMENTS AND CONTINGENCIES

Leases

The Company leases its 57,000 square foot corporate headquarters and manufacturing facility located at 4 Cromwell, Irvine, California. In March 2015, the corporate headquarters and manufacturing facility lease was amended to extend the term through April 30, 2020, modify provisions for a tenant improvement allowance of up to $0.4 million, and adjust the basic rent terms. Future minimum rental commitments under operating lease agreements with non-cancelable terms greater than one year for the years ending December 31 are listed below. The Company also leases certain office equipment and automobiles under various operating lease arrangements.

In February 2015, the Company entered into a 30-month capital lease agreement for information technology equipment. In February 2018, the Company extended the agreement for information technology equipment for an additional lease term of 18 months. In accordance with relevant accounting guidance, the renewal of this lease constituted a new lease and is classified by the Company as an operating lease.

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Future minimum rental commitments under lease agreements, including both operating and capital leases (principle and interest), with non-cancelable terms greater than one year for each of the years ending December 31 are as follows (in thousands):

2018	$	524
2019		899
2020		300
2021		12
Thereafter		—
Total future minimum lease obligations	$	1,735

Employee arrangements and other compensation

Certain members of management are entitled to severance benefits payable upon termination following a change in control, which would approximate $2.1 million, in the aggregate, at June 30, 2018. The Company also has agreements with certain employees to pay bonuses based on targeted performance criteria. As of June 30, 2018, approximately $0.2 million was accrued for performance bonuses, which is included in accrued liabilities in the Consolidated Balance Sheets.

Effective April 10, 2018, Harold C. Flynn, Jr. resigned from the Board and as the Company’s President and Chief Executive Officer. The Company and Mr. Flynn entered into a Separation Agreement, dated as of April 30, 2018 (the “Separation Agreement”). Mr. Flynn is entitled to receive severance in an amount of $365,000, payable through December 28, 2018, along with certain other benefits, including the continued vesting of all of Mr. Flynn’s time-based stock options through April 9, 2020 and an extension of the time to exercise such options through December 31, 2021, subject to immediate vesting upon a change of control, and continued vesting of the time-based RSUs granted to Mr. Flynn on February 6, 2017 through February 6, 2019, subject to immediate vesting upon a change of control. Any unvested stock options following April 9, 2020 will be cancelled and will not vest, and any RSUs that are unvested following February 6, 2019 will be canceled and will not vest. Due to the modification of Mr. Flynn’s equity awards, the Company recognized a net reduction of stock-based compensation expense of approximately $0.3 million, primarily due to the fluctuation in stock prices from the time the awards were granted to when Mr. Flynn resigned and the awards were re-evaluated.

Purchase commitments

The Company generally purchases components and subassemblies for its products from a limited group of third-party suppliers through purchase orders. As of June 30, 2018, the Company had $11.9 million of purchase commitments for which the Company has not received certain goods or services that are expected to be purchased within one year. These purchase commitments were made to secure better pricing and to ensure the Company will have the necessary parts to meet anticipated near-term demand. Although open purchase orders are considered enforceable and legally binding, the Company may be able to cancel, reschedule or adjust requirements prior to supplier fulfillment.

Litigation

The Company discloses material loss contingencies deemed to be reasonably possible and accrues for loss contingencies when, in consultation with its legal advisors, management concludes that a loss is probable and reasonably estimable. The ability to predict the ultimate outcome of such matters involves judgments, estimates, and inherent uncertainties. The actual outcome of such matters could differ materially from management’s estimates.

Intellectual Property Litigation

On April 24, 2012, CAO Group, Inc. (“CAO”) filed a lawsuit against BIOLASE in the District of Utah alleging that BIOLASE’s ezlase dental laser infringes on U.S. Patent No. 7,485,116 (the “116 Patent”). On September 9, 2012, CAO amended its complaint, adding claims for (1) business disparagement/injurious falsehood under common law and (2) unfair competition under 15 U.S.C. Section 1125(a). The additional claims stem from a press release that BIOLASE issued on April 30, 2012, which CAO claims contained false statements that are

20

disparaging to CAO and its diode product. The amended complaint seeks injunctive relief, treble damages, attorneys’ fees, punitive damages, and interest. Until January 24, 2018, this lawsuit was stayed in connection with United States Patent and Trademark Office proceedings relating to the 116 Patent, which proceedings ultimately culminated in a January 27, 2017 decision by the United States Court of Appeals for the Federal Circuit, affirming the findings of the Patent Trial and Appeal Board. On January 25, 2018, CAO moved for leave to file a second amended complaint to add certain claims, which filing the Company did not oppose. The Utah matter has since been transferred to the Central District of California and the two matters have been consolidated with the matter described below.

On January 23, 2018, CAO filed a lawsuit against BIOLASE in the Central District of California alleging that BIOLASE’s diode lasers infringe on U.S. Patent Nos. 8,337,097, 8,834,497, 8,961,040 and 8,967,883. The complaint seeks injunctive relief, treble damages, attorneys’ fees, punitive damages, and interest.

NOTE 11—SEGMENT INFORMATION

The Company currently operates in a single business segment. Management uses one measurement of profitability and does not segregate its business for internal reporting. For the three and six months ended June 30, 2018, sales to customers in the United States accounted for approximately 59% and 58% of net revenue, respectively, and international sales accounted for approximately 41% and 42% of net revenue, respectively. For the three and six months ended June 30, 2017, sales to customers in the United States accounted for approximately 65% and 64% of net revenue, respectively, and international sales accounted for approximately 35% and 36% of net revenue, respectively. No individual country, other than the United States, represented more than 10% of total net revenue during the three and six months ended June 30, 2018 or 2017.

Net revenue by geographic location based on the location of customers was as follows (in thousands):  

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
United States	$	7,164	$	8,194	$	12,857	$	15,037
International		4,990		4,418		9,317		8,449
	$	12,154	$	12,612	$	22,174	$	23,486

Property, plant, and equipment by geographic location was as follows (in thousands):

	June 30,		December 31,
	2018		2017
United States	$	2,849	$	3,347
International		315		327
	$	3,164	$	3,674

NOTE 12—CONCENTRATIONS

Revenue from the Company’s products for the three and six months ended June 30, 2018 and 2017 are as follows (dollars in thousands):

	Three Months Ended								Six Months Ended
	June 30,								June 30,
	2018				2017				2018				2017
Laser systems	$	7,920	65.2	%	$	7,961	63.1	%	$	13,623	61.4	%	$	14,690	62.6	%
Imaging systems		371	3.1	%		954	7.5	%		954	4.3	%		1,580	6.7	%
Consumables and other		2,303	18.9	%		2,051	16.3	%		4,337	19.6	%		3,743	15.9	%
Services		1,557	12.8	%		1,614	12.8	%		3,254	14.7	%		3,409	14.5	%
License fees and royalties		3	0.0	%		32	0.3	%		6	0.0	%		64	0.3	%
Total revenue	$	12,154	100.0	%	$	12,612	100.0	%	$	22,174	100.0	%	$	23,486	100.0	%

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No individual customer represented more than 10% of the Company’s revenue for the three and six months ended June 30, 2018 or 2017.

The Company maintains its cash and cash equivalent accounts with established commercial banks. Such cash deposits periodically exceed the Federal Deposit Insurance Corporation insured limit.

No individual customer represented more than 10% of the Company’s accounts receivable at June 30, 2018 or December 31, 2017.

The Company currently purchases certain key components of its products from single suppliers. Although there are a limited number of manufacturers of these key components, management believes that other suppliers could provide similar key components on comparable terms. A change in suppliers, however, could cause delays in manufacturing and a possible loss of sales, which could adversely affect the Company’s business, results of operations and financial condition.

NOTE 13—INCOME TAXES

The Company accounts for income taxes under the asset and liability method, whereby deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. Management evaluates the need to establish a valuation allowance for deferred tax assets based upon the amount of existing temporary differences, the period in which they are expected to be recovered, and expected levels of taxable income. A valuation allowance to reduce deferred tax assets is established when it is “more likely than not” that some or all of the deferred tax assets will not be realized. Based on the Company’s net losses in prior years, management has determined that a full valuation allowance against the Company’s net deferred tax assets is appropriate.

Accounting for uncertainty in income taxes prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return and provides guidance on de-recognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition. The Company has elected to classify interest and penalties as a component of its income tax provision. With respect to the liability for unrecognized tax benefits, including related estimates of penalties and interest, the Company did not record a liability for unrecognized tax benefits for the three and six months ended June 30, 2018 and 2017. The Company does not expect any changes to its unrecognized tax benefit for the next 12 months that would materially impact its consolidated financial statements.

During the three and six months ended June 30, 2018, the Company recorded an income tax provision of $10,000 and $42,000, respectively, resulting in an effective tax rate of (10.0)% and 0.8%, respectively. During the three and six months ended June 30, 2017, the Company recorded an income tax provision of $36,000 and $76,000 respectively, resulting in an effective tax rate of 0.9% and 0.9%, respectively. The income tax provisions for the three and six months ended June 30, 2018 and 2017 were calculated using the discrete year-to-date method. The effective tax rate differs from the statutory tax rate of 21% for 2018 and 34% for 2017 primarily due to the existence of valuation allowances against net deferred tax assets and current liabilities resulting from the estimated state income tax liabilities and foreign tax liability.

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On December 22, 2017, the U.S. federal government enacted the Tax Cuts and Jobs Act (the “2017 Tax Act”), which enacts a broad range of changes to the Internal Revenue Code of 1986, as amended. Many of the provisions of the 2017 Tax Act take effect for tax years beginning after December 31, 2017, including changes to the U.S. federal corporate tax rate to a flat 21%, significant additional limitations on the deductibility of interest and net operating losses, the allowance for the expensing of certain capital expenditures, and a number of changes impacting operations outside of the United States. The Company’s deferred tax assets and liabilities have been revalued at newly enacted rate in the year of enactment, the impact of which was mostly absorbed by the existing valuation allowance.

The 2017 Tax Act also includes provisions for Global Intangible Low-Taxed Income (“GILTI”) wherein taxes on foreign income are imposed in excess of a deemed return on tangible assets of foreign corporations.  This provision is effective for taxable years beginning after December 31, 2017. Because of the complexity of the new GILTI tax rules, the Company continues to evaluate this provision of the 2017 Tax Act including the associated forecast of GILTI and the application of ASC 740, Income Taxes. Under GAAP, the Company is allowed to make an accounting policy choice of either (1) treating taxes due on future U.S. inclusions in taxable income related to GILTI as a current-period expense when incurred or (2) factoring such amounts into the Company’s measurement of its deferred taxes. The Company’s selection of an accounting policy with respect to the new GILTI tax rules will depend, in part, on analyzing its global income to determine whether the Company expects to have future U.S. inclusions in taxable income related to GILTI and, if so, what the impact is expected to be. Whether the Company expects to have future U.S. inclusions in taxable income related to GILTI depends on not only the Company’s current structure and estimated future results of global operations, but also the Company’s intent and ability to modify its structure.  The Company is not yet able to reasonably estimate the effect of this provision of the 2017 Tax Act. However, due to the Company’s current net operating loss (“NOL”) position and NOL carryforward balance, the Company does not believe this provision will have a material impact on the provision.

NOTE 14—SUBSEQUENT EVENT

Effective August 7, 2018, the Company entered into an employment agreement (the “Employment Agreement”) with Todd Norbe to serve as President and Chief Executive Officer of BIOLASE. Under the terms of the Employment Agreement, Mr. Norbe will receive an annual base salary of $400,000. In addition, Mr. Norbe is eligible to receive an annual performance bonus of up to one hundred percent (100.0%) or Mr. Norbe’s base salary, which is determined by the achievement of certain criteria as established by the Compensation Committee of the Board. For the partial 2018 employment year, Mr. Norbe is eligible to receive a performance bonus of up to $170,000 at target performance and up to $210,000 at “outperform” performance, with a minimum non-discretionary performance bonus of $100,000. Mr. Norbe will be awarded (i) 350,000 stock-settled time-based RSUs, which shall vest as to one-fourth of the number of shares of BIOLASE common stock subject to the time-based RSUs, on the one-year anniversary of the Mr. Norbe’s first date of employment, and as to the remaining three-fourths of the number of shares of BIOLASE common stock subject to the time-based RSUs, in four installments on a semi-annual basis commencing on the 18-month anniversary of Mr. Norbe’s first date of employment, subject to continued employment through each such vesting date, and (ii) 300,000 stock settled performance-based RSUs, which shall vest in one-third annual increments, subject to performance criteria established by the Compensation Committee of the Board and continued employment through each such vesting date. The forgoing RSUs are subject to approval by the Company’s stockholders of an increase in the number of shares available under the 2018 Plan.

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ITEM  2. MANAGEMENT’S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS

The following information should be read in conjunction with the unaudited consolidated financial statements and related notes of BIOLASE, Inc. (“BIOLASE”) and its consolidated subsidiaries (together with BIOLASE, the “Company,” “we,” “our,” or “us”) included elsewhere in this Quarterly Report on Form 10-Q (this “Form 10-Q”) and our audited consolidated financial statements and related notes included in the Annual Report on Form 10-K for the year ended December 31, 2017 filed with the Securities and Exchange Commission (the “SEC”) on March 14, 2018 (the “2017 Form 10-K”).  In addition to historical information, this discussion and analysis contains “forward-looking statements” as defined in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended (the “Exchange Act”). Such forward-looking statements include statements, predictions, or expectations regarding our plans to expand our product line and clinical applications, statements regarding the effects of seasonality on revenue, operating expenses, anticipated cash needs, needs for additional financing, plans to explore potential collaborations, market opportunities, and any other statement that is not historical fact. Forward-looking statements are identified by the use of words such as “may,” “might,” “will,” “intend,” “should,” “could,” “can,” “would,” “continue,” “expect,” “believe,” “anticipate,” “estimate,” “predict,” “outlook,” “potential,” “plan,” “seek,” and similar expressions and variations or the negatives of these terms or other comparable terminology.

The forward-looking statements contained in this Form 10-Q are based on the expectations, estimates, projections, beliefs, and assumptions of our management based on information available to management as of the date on which this Form 10-Q was filed with the SEC, all of which are subject to change. Forward-looking statements are subject to risks, uncertainties, and other factors that are difficult to predict and could cause actual results to differ materially from those stated or implied by our forward-looking statements. Factors that could cause or contribute to such differences include, but are not limited to:

• global economic uncertainty and volatility in financial markets;

• inability to raise additional capital on terms acceptable to us;

• our relationships with, and the efforts of, third-party distributors;

• failure in our efforts to train dental practitioners or to overcome the hesitation of dentists and patients to adopt laser technologies;

• inconsistencies between future data and our clinical results;

• competition from other companies, including those with greater resources;

• our inability to successfully develop and commercialize enhanced or new products that remain competitive with products or alternative technologies developed by others;

• the inability of our customers to obtain third-party reimbursement for their use of our products;

• limitations on our ability to use net operating loss carryforwards;

• problems in manufacturing our products;

• warranty obligations if our products are defective;

• adverse publicity regarding our technology or products;

• adverse events to our patients during the use of our products, regardless of whether caused by our products;

• issues with our suppliers, including the failure of our suppliers to supply us with a sufficient amount or adequate quality of materials;

• rapidly changing standards and competing technologies;

• our inability to effectively manage and implement our growth strategies;

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• risks associated with operating in international markets, including potential liabilities under the Foreign Corrupt Practices Act;

• breaches of our information technology systems;

• seasonality;

• litigation, including the failure of our insurance policies to cover certain expenses relating to litigation and our inability to reach a final settlement related to certain litigation;

• disruptions to our operations at our primary facility;

• loss of our key management personnel or our inability to attract or retain qualified personnel;

• risks and uncertainties relating to acquisitions, including difficulties integrating acquired businesses successfully into our existing operations and risks of discovering previously undisclosed liabilities;

• failure to comply with the reporting obligations of the Exchange Act and Section 404 of the Sarbanes-Oxley Act of 2002, as amended, or maintain adequate internal control over financial reporting;

• climate change initiatives;

• failure of our intellectual property rights to adequately protect our technologies and potential third-party claims that our products infringe their intellectual property rights;

• changes in government regulation or the inability to obtain or maintain necessary governmental approvals;

• our failure to comply with existing or new laws and regulations, including fraud and abuse and health information privacy and securities laws;

• changes in the Food and Drug Administration’s (“FDA’s”) regulatory requirements applicable to laser products, dental devices, or both;

• recall or other regulatory action concerning our products after receiving FDA clearance or approval; and

• our failure to comply with continued listing requirements of the NASDAQ Capital Market.

Further information about factors that could materially affect the Company, including our results of operations and financial condition, is contained under “Risk Factors” in Item 1A in the 2017 Form 10-K. Except as required by law, we undertake no obligation to revise or update any forward-looking statements to reflect changed assumptions, the occurrence of anticipated or unanticipated events, new information or changes to future results over time or otherwise.

Overview

We are a medical device company that develops, manufactures, markets, and sells laser systems in dentistry and medicine and also markets, sells, and distributes dental imaging equipment, including three-dimensional CAD/CAM intra-oral scanners and digital dentistry software. Our products advance the practice of dentistry and medicine for patients and health care professionals. Our proprietary dental laser systems allow dentists, periodontists, endodontists, oral surgeons, and other dental specialists to perform a broad range of minimally invasive dental procedures, including cosmetic, restorative, and complex surgical applications. Our laser systems are designed to provide clinically superior results for many types of dental procedures compared to those achieved with drills, scalpels, and other conventional instruments. We have clearance from the FDA to market and sell our laser systems in the United States and also have the necessary registration to market and sell our laser systems in Canada, the European Union, and many other countries outside the United States. Additionally, our in-licensed imaging equipment and related products improve diagnoses, applications, and procedures in dentistry and medicine.

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We offer two categories of laser system products: Waterlase (all-tissue) systems and Diode (soft-tissue) systems. Our flagship brand, the Waterlase, uses a patented combination of water and laser energy to perform most procedures currently performed using drills, scalpels, and other traditional dental instruments for cutting soft and hard tissue. We also offer our Diode laser systems to perform soft tissue, pain therapy, and cosmetic procedures, including teeth whitening. We have approximately 244 issued and 74 pending United States and international patents, the majority of which are related to Waterlase technology. From 1998 through June 30, 2018 we sold over 37,600 laser systems in over 90 countries around the world. Contained in this total are approximately 12,700 Waterlase systems, including approximately 8,600 Waterlase MD, MDX, Express and iPlus systems.

Business and Outlook

Our Waterlase systems precisely cut hard tissue, bone, and soft tissue with minimal or no damage to surrounding tissue and dental structures. Our Diode systems, which include the Epic system, are designed to complement our Waterlase systems, and are used only in soft tissue procedures, pain therapy, hygiene, and cosmetic applications, including teeth whitening. The Diode systems, together with our Waterlase systems, offer practitioners a broad product line with a range of features and price points.

We also manufacture and sell consumable products and accessories for our laser systems. Our Waterlase and Diode systems use disposable laser tips of differing sizes and shapes depending on the procedure being performed. We also market flexible fibers and hand pieces that dental practitioners replace at some point after initially purchasing laser systems. For our Epic systems, we sell teeth whitening gel kits.

Due to the limitations associated with traditional and alternative dental instruments, we believe there is a large market opportunity for all-tissue dental laser systems that provide superior clinical outcomes, reduce the need to use anesthesia, help reduce trauma, pain, and discomfort associated with dental procedures, and increase patient acceptance for treatment protocols. We also believe there is a large market opportunity for digital radiography systems and CAD/CAM intra-oral scanners that improve practice efficiency and accuracy of diagnosis, leading to superior treatment planning, increased practice revenue, and healthier outcomes for patients.

Our strategy is to increase awareness and demand for (i) our products among dental practitioners by educating dental practitioners and patients about the clinical benefits of our product suite and (ii) our laser systems among patients by educating patients about the clinical benefits of the Waterlase and Diode systems. An important goal of ours is to increase consumables revenue by selling more single-use accessories used by dental practitioners when performing procedures using our dental laser systems. In the short term, we are striving for operating excellence through lean enterprise initiatives, with a specific focus on our sales strategy and cash flow management, coupled with optimizing our engineering capabilities to develop innovative new products.

We also seek to create value through innovation and leveraging existing technologies into adjacent medical applications. We plan to expand our product line and clinical applications by developing enhancements and transformational innovations, including new clinical solutions for dental applications and for other adjacent medical applications. In particular, we believe that our existing technologies can provide significant improvements over existing standards of care in fields including ophthalmology, otolaryngology, orthopedics, podiatry, pain management, aesthetics/dermatology, veterinary, and consumer products. We plan to continue to explore potential collaborations to apply our proprietary laser technologies with expanded FDA-cleared indications to other medical applications in the future.

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Recent Developments

New Leadership Additions

Effective June 15, 2018, the BIOLASE board of directors (the “Board”) elected Todd A. Norbe and Jess Roper to the Board. Mr. Norbe has more than 25 years of experience as a senior executive with companies within the dental industry.  Mr. Roper has more than 25 years of experience as a senior executive with companies in the medical industry and has held financial management positions with publicly traded and venture funded companies.

Effective April 4, 2018, the Board elected Garrett Sato to the Board. Mr. Sato has more than 30 years of experience as a successful consultant and senior executive with companies in the dental industry and has served as a senior advisor and executive partner with private equity and investment banking firms.

Also consistent with our goal to focus our energies on worldwide competitiveness, strengthening our leadership, and increasing the amount of attention we pay to our professional customers and their patients, we have made strategic personnel additions to our senior management team.

Effective April 10, 2018 and with the resignation of Harold C. Flynn, Jr. as our President and Chief Executive Officer and as a director, the Board appointed John R. Beaver as our Interim Chief Executive Officer to focus on business performance improvement and continuing operational efficiencies.

Effective August 7, 2018, the Board appointed Mr. Norbe as our President and Chief Executive Officer and Mr. Beaver, who was serving as our Interim Chief Executive Officer, was promoted to Executive Vice President and Chief Financial Officer.

Southern California Model Market

During the first half of 2018, we bolstered efforts in Southern California to significantly enhance the region’s oral health and dental care by increasing awareness and education in laser dentistry. We added local specialists to our staff to offer dentists more support in maximizing the use of their lasers. In addition, we began to offer more educational courses, informational events and community activities to help ensure that dentists and their patients are provided with the latest information in laser dentistry. In April 2018, we formed a Southern California Dental Advisory Board, which is comprised of local dentistry veterans whose collective expertise serves as excellent resources to help propel the local market forward.

Reverse Stock Split

Effective May 10, 2018, BIOLASE effectuated a one-to-five reverse stock split. In connection with the reverse stock split, the number of authorized shares of BIOLASE common stock was reduced from 200,000,000 shares to 40,000,000 shares.  See Part I, Item I, Note 4 – Stockholders’ Equity for additional information.

Critical Accounting Policies

The unaudited consolidated financial statements have been prepared in accordance with accounting principles generally accepted in the United States of America (“GAAP”) which require us to make estimates and assumptions that affect the reported amounts of assets and liabilities at the date of the consolidated financial statements and revenues and expenses reported during the period. Information with respect to our critical accounting policies that we believe could have the most significant effect on our reported results and require subjective or complex judgments by management is contained in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” of the 2017 Form 10-K. There have been no significant changes during the six months ended June 30, 2018 in our critical accounting policies from those disclosed in Item 7 of the 2017 Form 10-K.

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Results of Operations

The following table sets forth certain data from our unaudited consolidated statements of operations expressed as percentages of net revenue:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Products and services revenue		100.0	%		99.7	%		100.0	%		99.7	%
License fees and royalty revenue		—	%		0.3	%		—	%		0.3	%
Net revenue		100.0	%		100.0	%		100.0	%		100.0	%
Cost of revenue		64.6	%		62.7	%		66.9	%		63.1	%
Gross profit		35.4	%		37.3	%		33.1	%		36.9	%
Operating expenses:
Sales and marketing		38.3	%		35.9	%		38.5	%		37.1	%
General and administrative		24.4	%		22.5	%		27.1	%		22.4	%
Engineering and development		11.2	%		14.4	%		12.0	%		13.8	%
Total operating expenses		73.9	%		72.8	%		77.6	%		73.3	%
Loss from operations		(38.5	%)		(35.5	%)		(44.5	%)		(36.4	%)
Non-operating loss, net		(1.8	%)		1.8	%		(0.1	%)		1.0	%
Loss before income tax provision		(40.3	%)		(33.7	%)		(44.6	%)		(35.4	%)
Income tax provision		0.1	%		0.3	%		0.2	%		0.3	%
Net loss		(40.4	%)		(34.0	%)		(44.8	%)		(35.7	%)

Non-GAAP Disclosure

In addition to the financial information prepared in conformity with GAAP, we provide certain historical non-GAAP financial information. Management believes that these non-GAAP financial measures assist investors in making comparisons of period-to-period operating results and that, in some respects, these non-GAAP financial measures are more indicative of the Company’s ongoing core operating performance than their GAAP equivalents.

Management believes that the presentation of this non-GAAP financial information provides investors with greater transparency and facilitates comparison of operating results across a broad spectrum of companies with varying capital structures, compensation strategies, derivative instruments, and amortization methods, which provides a more complete understanding of our financial performance, competitive position, and prospects for the future. However, the non-GAAP financial measures presented in this Form 10-Q have certain limitations in that they do not reflect all of the costs associated with the operations of our business as determined in accordance with GAAP. Therefore, investors should consider non-GAAP financial measures in addition to, and not as a substitute for, or as superior to, measures of financial performance prepared in accordance with GAAP. Further, the non-GAAP financial measures presented by the Company may be different from similarly named non-GAAP financial measures used by other companies.

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Non-GAAP Net Loss

Management uses non-GAAP net loss (defined as net loss before interest, taxes, depreciation and amortization and stock-based compensation) in its evaluation of the Company’s core results of operations and trends between fiscal periods and believes that these measures are important components of its internal performance measurement process. Management believes that this non-GAAP financial information reflects an additional way of viewing aspects of our business that, when viewed with our GAAP results, provides a more complete understanding of factors and trends affecting our business. The following table contains a reconciliation of non-GAAP net loss to GAAP net loss attributable to common stockholders (in thousands).

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
GAAP net loss attributable to common stockholders	$	(4,911	)	$	(8,267	)	$	(9,932	)	$	(12,375	)
Deemed dividend on convertible preferred stock		—			3,978			—			3,978
GAAP net loss	$	(4,911	)	$	(4,289	)	$	(9,932	)	$	(8,397	)
Adjustments:
Interest expense (income), net		35			(10	)		47			(19	)
Income tax provision		10			36			42			76
Depreciation and amortization		246			287			510			577
Stock-based compensation		557			761			1,258			1,140
Non-GAAP net loss	$	(4,063	)	$	(3,215	)	$	(8,075	)	$	(6,623	)

Comparison of Results of Operations

Three months ended June 30, 2018 and 2017

Net Revenue: The following table summarizes our net revenues by category, including each category’s percentage of our total revenue, for the three months ended June 30, 2018 (the “Second Quarter 2018”) and the three months ended June 30, 2017 (the “Second Quarter 2017”), as well as the amount of change and percentage of change in each revenue category (dollars in thousands):

	Three Months Ended				Three Months Ended
	June 30,				June 30,				Amount			Percent
	2018				2017				Change			Change
Laser systems	$	7,920	65.2	%	$	7,961	63.1	%	$	(41	)		(0.5	%)
Imaging systems		371	3.1	%		954	7.5	%		(583	)		(61.1	%)
Consumables and other		2,303	18.9	%		2,051	16.3	%		252			12.3	%
Services		1,557	12.8	%		1,614	12.8	%		(57	)		(3.5	%)
Total products and services		12,151	100.0	%		12,580	99.7	%		(429	)		(3.4	%)
License fees and royalty		3	—	%		32	0.3	%		(29	)		(90.6	%)
Net revenue	$	12,154	100.0	%	$	12,612	100.0	%	$	(458	)		(3.6	%)

Typically, we experience fluctuations in revenue from quarter to quarter due to seasonality. Revenue in the first quarter typically is lower than average, and revenue in the fourth quarter typically is stronger than average, due to the buying patterns of dental practitioners. We believe that this trend exists because a significant number of dentists purchase their capital equipment towards the end of the calendar year in order to maximize their practice earnings while seeking to minimize their taxes. They often use certain tax incentives, such as accelerated depreciation methods for purchasing capital equipment, as part of their year-end tax planning. In addition, revenue in the third quarter may be affected by vacation patterns which can cause revenue to be flat or lower than in the second quarter of the year. Our historical seasonal fluctuations may also be impacted by sales promotions used by large dental distributors that encourage end-of-quarter and end-of-year buying in our industry.

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Total revenue by geographic location based on the location of customers for the Second Quarter 2018 and Second Quarter 2017, as well as the amount of change and percentage of change in each geographic revenue category, were as follows (dollars in thousands):

	Three Months Ended				Three Months Ended
	June 30,				June 30,				Amount			Percent
	2018				2017				Change			Change
United States	$	7,164	58.9	%	$	8,194	65.0	%	$	(1,030	)		(12.6	%)
International		4,990	41.1	%		4,418	35.0	%		572			12.9	%
Net revenue	$	12,154	100.0	%	$	12,612	100.0	%	$	(458	)		(3.6	%)

The $0.5 million, or 4%, overall decrease in quarter-over-quarter net revenue resulted primarily from imaging systems sales, which decreased by $0.6 million, or 61%, in the Second Quarter 2018 compared to the Second Quarter 2017. Sales of our imaging products decreased by 66% domestically, and there were no sales internationally during the second quarter of 2018. Imaging in the Second Quarter 2017 benefited from a one-time study club purchase. The Company is focusing on its core laser products. Laser systems revenue decreased marginally by 0.5%, in the Second Quarter 2018 compared to the Second Quarter 2017, driven by a decline in domestic sales. Services revenue, which consists of extended warranty service contracts, advanced training programs, and other services, decreased marginally by $0.1 million, or 4%, in the Second Quarter 2018 compared to the Second Quarter 2017.

Partially offsetting decreases in laser systems revenue, imaging systems revenue and services revenue was an increase to consumables and other revenue. Consumables and other revenue, which consists of consumable products such as disposable tips, increased by $0.3 million or 12%, in the Second Quarter 2018 compared to the Second Quarter 2017.

Cost of Revenue and Gross Profit: The following table summarizes our cost of revenue and gross profit for the Second Quarter 2018 and the Second Quarter 2017, as well as the amount of change and percentage of change (dollars in thousands):

	Three Months Ended				Three Months Ended
	June 30,				June 30,				Amount			Percent
	2018				2017				Change			Change
Net revenue	$	12,154	100.0	%	$	12,612	100.0	%	$	(458	)		(3.6	%)
Cost of revenue		7,846	64.6	%		7,908	62.7	%		(62	)		(0.8	%)
Gross profit	$	4,308	35.4	%	$	4,704	37.3	%	$	(396	)		(8.4	%)

Gross profit as a percentage of revenue typically fluctuates with product and regional mix, selling prices, product costs and revenue levels. The 8% decline in gross profit as a percentage of revenue for the Second Quarter 2018, as compared to the Second Quarter 2017, reflected lower revenue resulting in unabsorbed fixed costs.

Operating Expenses: The following table summarizes our operating expenses as a percentage of net revenue for the Second Quarter 2018 and Second Quarter 2017, as well as the amount of change and percentage of change (dollars in thousands):

	Three Months Ended				Three Months Ended
	June 30,				June 30,				Amount			Percent
	2018				2017				Change			Change
Sales and marketing	$	4,657	38.3	%	$	4,534	35.9	%	$	123			2.7	%
General and administrative		2,969	24.4	%		2,840	22.5	%		129			4.5	%
Engineering and development		1,361	11.2	%		1,810	14.4	%		(449	)		(24.8	%)
Total operating expenses	$	8,987	73.9	%	$	9,184	72.8	%	$	(197	)		(2.1	%)

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The quarter-over-quarter total operating expenses are explained in the following expense categories:

Sales and Marketing Expense. Sales and marketing expenses in the Second Quarter 2018 compared to the Second Quarter 2017 increased by $0.1 million, or 3%, primarily due to an increase in payroll and consulting-related expenses of $0.3 million, partially offset by decreased convention-related expenses of $0.1 million. As we continue efforts to transform and drive to revenue growth, we expect sales and marketing expenses to increase as a percentage of revenue as a result of our Southern California Model Market initiatives for the remainder of 2018.

General and Administrative Expense. General and administrative expenses in the Second Quarter 2018 compared to the Second Quarter 2017 increased by $0.1 million, or 5%, primarily due to an increase in legal fees resulting from our efforts to protect our intellectual property. We expect general and administrative expenses to decrease as a percentage of revenue through the remainder of 2018.

Engineering and Development Expense. Engineering and development expenses in the Second Quarter 2018 compared to the Second Quarter 2017 decreased by $0.4 million, or 25%, primarily due to a $0.2 million decrease in operating supplies and a decrease in payroll and consulting-related expenses of $0.1 million. We expect engineering and development expenses to decrease as a percentage of revenue through the remainder of 2018.

Gain (Loss) on Foreign Currency Transactions. We realized a $0.2 million loss on foreign currency transactions during the Second Quarter 2018, compared to a $0.2 million gain on foreign currency transactions during the Second Quarter 2017, due to exchange rate fluctuations between the U.S. dollar and other currencies, primarily the Euro.

Interest Expense (Income), Net.  Interest expense during the Second Quarter 2018 represented interest recognized from the amortization of the warrants issued to Western Alliance Bank (“Western Alliance”) in March 2018. See Part I, Item I, Note 9 – Lines of Credit for additional information. Interest income during the Second Quarter 2017 represented interest recognized from the discounted present value of the settlement in connection with the patent infringement lawsuit against Fotona Proizvodnja Optoelektronskih Naprav D.D. and Fotona LLC (collectively, “Fotona”). We filed the lawsuit in Düsseldorf District Court in April 2012 alleging infringement with respect to the Fotona Fidelis dental laser system.

Income Tax Provision. We use a discrete year-to-date method in calculating quarterly provision for income taxes. Our provision for income taxes was $10,000 for the Second Quarter 2018, compared to a provision of $36,000 for the Second Quarter 2017. For additional information regarding income taxes, see Part I, Item I, Note 13 – Income Taxes.

Net Loss. Our net loss totaled approximately $4.9 million for the Second Quarter 2018 compared to a net loss of $4.3 million for the Second Quarter 2017. The $0.6 million, or 15%, increase in net loss was primarily due to a $0.4 million, negative impact due to a loss in the Second Quarter of 2018 compared to a gain in the Second Quarter of 2017 on foreign currency transactions.

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Six months ended June 30, 2018 and 2017

Net Revenue: The following table summarizes our net revenues by category, including each category’s percentage of our total revenue, for the six months ended June 30, 2018 (“YTD Second Quarter 2018”) and the six months ended June 30, 2017 (“YTD Second Quarter 2017”), as well as the amount of change and percentage of change in each revenue category (dollars in thousands):

	Six Months Ended				Six Months Ended
	June 30,				June 30,				Amount			Percent
	2018				2017				Change			Change
Laser systems	$	13,623	61.4	%	$	14,690	62.6	%	$	(1,067	)		(7.3	%)
Imaging systems		954	4.3	%		1,580	6.7	%		(626	)		(39.6	%)
Consumables and other		4,337	19.6	%		3,743	15.9	%		594			15.9	%
Services		3,254	14.7	%		3,409	14.5	%		(155	)		(4.5	%)
Total products and services		22,168	100.0	%		23,422	99.7	%		(1,254	)		(5.4	%)
License fees and royalty		6	—	%		64	0.3	%		(58	)		(90.6	%)
Net revenue	$	22,174	100.0	%	$	23,486	100.0	%	$	(1,312	)		(5.6	%)

The $1.3 million, or 6%, overall decrease in period-over-period net revenue resulted primarily from laser systems sales, which decreased by $1.1 million, or 7%, in YTD Second Quarter 2018 compared to YTD Second Quarter 2017. The laser systems revenue decrease was driven by a 20% decline in domestic revenue partially offset by a 7% increase in international revenue. Imaging revenue also decreased by $0.6 million or 40%, in YTD Second Quarter 2018 compared to YTD Second Quarter 2017.

Partially offsetting the decreased laser systems revenue and license fees and royalty revenue were increases to consumables and other revenue. Consumables and other revenue, which consists of consumable products such as disposable tips, increased by $0.6 million, or 16%, in YTD Second Quarter 2018 compared to YTD Second Quarter 2017.

Total revenue by geographic location based on the location of customers for YTD Second Quarter 2018 and YTD Second Quarter 2017, as well as the amount of change and percentage of change in each geographic revenue category, were as follows (dollars in thousands):

	Six Months Ended				Six Months Ended
	June 30,				June 30,				Amount			Percent
	2018				2017				Change			Change
United States	$	12,857	58.0	%	$	15,037	64.0	%	$	(2,180	)		(14.5	%)
International		9,317	42.0	%		8,449	36.0	%		868			10.3	%
Net revenue	$	22,174	100.0	%	$	23,486	100.0	%	$	(1,312	)		(5.6	%)

Cost of Revenue and Gross Profit: The following table summarizes our cost of revenue and gross profit for YTD Second Quarter 2018 and YTD Second Quarter 2017, as well as the amount of change and percentage of change (dollars in thousands):

	Six Months Ended				Six Months Ended
	June 30,				June 30,				Amount			Percent
	2018				2017				Change			Change
Net revenue	$	22,174	100.0	%	$	23,486	100.0	%	$	(1,312	)		(5.6	%)
Cost of revenue		14,833	66.9	%		14,829	63.1	%		4			—	%
Gross profit	$	7,341	33.1	%	$	8,657	36.9	%	$	(1,316	)		(15.2	%)

32

Gross profit as a percentage of revenue typically fluctuates with product and regional mix, selling prices, product costs and revenue levels. The 15% decline in gross profit as a percentage of revenue for YTD Second Quarter 2018, as compared to YTD Second Quarter 2017, reflected lower revenue resulting in unabsorbed fixed costs.

Operating Expenses: The following table summarizes our operating expenses as a percentage of net revenue for YTD Second Quarter 2018 and YTD Second Quarter 2017, as well as the amount of change and percentage change (dollars in thousands):

	Six Months Ended				Six Months Ended
	June 30,				June 30,				Amount			Percent
	2018				2017				Change			Change
Sales and marketing	$	8,548	38.5	%	$	8,718	37.1	%	$	(170	)		(1.9	%)
General and administrative		6,006	27.1	%		5,256	22.4	%		750			14.3	%
Engineering and development		2,650	12.0	%		3,239	13.8	%		(589	)		(18.2	%)
Total operating expenses	$	17,204	77.6	%	$	17,213	73.3	%	$	(9	)		(0.1	%)

The period-over-period total operating expenses are explained in the following expense categories.

Sales and Marketing Expense. Sales and marketing expenses in YTD Second Quarter 2018 compared to YTD Second Quarter 2017 decreased by $0.2 million, or 2%, primarily due to decreases in convention-related expenses of $0.4 million, and decreases in media, advertising, and printing expenses of $0.1 million, partially offset by an increase in payroll and consulting-related expenses of $0.4 million. In the first quarter of 2017, we participated in the International Dental Show in Cologne, Germany, which led to higher convention-related expenses and travel expenditures. As we continue efforts to transform and drive to revenue growth, we expect sales and marketing expenses to increase as a percentage of revenue as a result of our Southern California Model Market initiatives for the remainder of 2018.

General and Administrative Expense. General and administrative expenses in YTD Second Quarter 2018 compared to YTD Second Quarter 2017 increased by $0.8 million or 14%, primarily due to an increase of $0.3 million in payroll and consulting-related expenses and an increase of $0.1 million in patent and legal fees resulting from our efforts to protect our intellectual property, and a $0.2 million increase in provision for doubtful accounts. The increase in payroll and consulting-related expenses is primarily due to an increase in consulting fees of $0.1 million. We expect general and administrative expenses to decrease as a percentage of revenue through the remainder of 2018.

Engineering and Development Expense. Engineering and development expenses in YTD Second Quarter 2018 compared to YTD Second Quarter 2017 decreased by $0.6 million, or 18%, primarily due to a $0.3 million decrease in operating supplies and a $0.1 million decrease in payroll and consulting-related expenses. The decrease in payroll and consulting-related expenses was driven by a decrease in wages of $0.1 million. We expect engineering and development expenses to decrease as a percentage of revenue through the remainder of 2018.

Gain (Loss) on Foreign Currency Transactions. We realized a gain of $20,000 on foreign currency transactions during YTD Second Quarter 2018, compared to a $216,000 gain on foreign currency transactions during YTD Second Quarter 2017, due to exchange rate fluctuations between the U.S. dollar and other currencies, primarily the Euro.

Interest Expense (Income), Net. Interest expense during YTD Second Quarter 2018 represented interest recognized from the amortization of the warrants issued to Western Alliance in March 2018. See Part I, Item I, Note 9 – Lines of Credit for additional information. Interest income during YTD Second Quarter 2017 represented interest recognized from the discounted present value of the settlement in connection with the Fotona patent infringement lawsuit described above.

33

Income Tax Provision. Our provision for income taxes was $42,000 for YTD Second Quarter 2018, compared to a provision of $76,000 for YTD Second Quarter 2017. For additional information regarding income taxes, see Part I, Item I, Note 11 – Income Taxes.

Net Loss. Our net loss totaled approximately $9.9 million for YTD Second Quarter 2018 compared to a net loss of $8.4 million for YTD Second Quarter 2017. The $1.5 million or 18%, increase in net loss was due to a $1.3 million, or 15%, reduction in gross profit and a $0.2 million decrease in gains on foreign currency transactions.

Liquidity and Capital Resources

At June 30, 2018, the Company had approximately $3.1 million in cash, cash equivalents and restricted cash. Management defines cash and cash equivalents as highly liquid deposits with original maturities of 90 days or less when purchased. The decrease in our cash, cash equivalents and restricted cash of $8.8 million at June 30, 2018 as compared to December 31, 2017, was primarily due to net cash used in operating activities of $8.4 million. The $8.4 million of net cash used in operating activities was primarily driven by the Company’s net loss of $9.9 million for the six months ended June 30, 2018.

The following table summarizes our change in cash, cash equivalents and restricted cash (in thousands):

	Six Months Ended
	June 30,
	2018			2017
Net cash flows used in operating activities	$	(8,358	)	$	(10,907	)
Net cash flows used in investing activities		(110	)		(637	)
Net cash flows (used in) provided by financing activities		(256	)		10,374
Effect of exchange rate changes		(26	)		162
Net change in cash, cash equivalents and restricted cash	$	(8,750	)	$	(1,008	)

Operating Activities

Net cash used in operating activities consists of our net loss, adjusted for our non-cash charges, plus or minus working capital changes. Cash used in operating activities for the six months ended June 30, 2018 totaled $8.3 million and was primarily comprised of our net loss of $9.9 million, partially offset by non-cash adjustments for depreciation and amortization expenses of $0.5 million, provision for bad debts of $0.2 million and stock-based compensation expenses of $1.3 million. The $0.5 million net decrease in our operating assets and liabilities was primarily due to an increase in inventory of $1.8 million, resulting from lower than projected sales, an increase in accounts receivable of $0.5 million related to the timing of our collections, and a decrease in deferred revenue of $0.4 million, resulting from the impact of implementing the new revenue recognition standard which provided for less deferred installation and deferred diode online training revenue, partially offset by an increase in accounts payable and accrued liabilities of $2.1 million related to the timing of our payments.

Investing Activities

Cash used in investing activities for the six months ended June 30, 2018 consisted of $0.1 million of capital expenditures. The period-over-period decrease was primarily due to the timing of our capital expenditures.

Financing Activities

Net cash used financing activities for the six months ended June 30, 2018 of $0.3 million resulted primarily from payments of equity offering costs from 2017 of $0.1 million and payments of debt issuance costs of $0.1 million.

Effect of Exchange Rate

The effect of exchange rate on cash for the six months ended June 30, 2018 was minimal.

34

Future Liquidity Needs

As of June 30, 2018, the Company had working capital of approximately $14.4 million. Our principal sources of liquidity as of June 30, 2018 consisted of approximately $3.1 million in cash, cash equivalents and restricted cash and $10.4 million of net accounts receivable.

On March 6, 2018, BIOLASE and two of its wholly-owned subsidiaries entered into a Business Financing Agreement with Western Alliance, which provides for borrowings of up to $6.0 million. The Company had no borrowings outstanding under these lines of credit as of June 30, 2018. See Part I, Item I, Note 9 – Lines of Credit for additional information.

In order for us to continue operations beyond the next 12 months and be able to discharge our liabilities and commitments in the normal course of business, we must increase sales of our products directly to end-users and through distributors, establish profitable operations through the combination of increased sales and decreased expenses, generate cash from operations or obtain additional funds when needed. We intend to improve our financial condition and ultimately improve our financial results by increasing revenues through expansion of our product offerings, continuing to expand and develop our fields sales force and distribution relationships both domestically and internationally, forming strategic arrangements within the dental and medical industries, educating dental and medical patients as to the benefits of our advanced medical technologies, and reducing expenses. Additional capital requirements may depend on many factors, including, among other things, continued losses, the rate at which our business grows, demands for working capital, manufacturing capacity, and any acquisitions that we may pursue. From time to time, we could be required, or may otherwise attempt, to raise capital, through either equity or debt offerings, or enter into another line of credit facility. As discussed above, on March 6, 2018, BIOLASE and two of its wholly-owned subsidiaries entered into a Business Financing Agreement with Western Alliance, which provides for borrowings of up to $6.0 million. We cannot provide assurance that we will be able to successfully consummate any equity or debt financings or enter into any other line of credit facility in the future or that the required capital would be available on acceptable terms, if at all, or that any such financing activity would not be dilutive to our stockholders.

Recent Accounting Pronouncements

For a description of recently issued and adopted accounting pronouncements, including the respective dates of adoption and expected effects on our results of operations and financial condition, please refer to Part I, Item 1, Note 2 – Summary of Significant Accounting Policies, which is incorporated herein by this reference.

Additional Information

BIOLASE^®, ZipTip^®, ezlase^®, eztips^®, ComfortPulse^®, Waterlase^®, Waterlase Dentistry^®, Waterlase Express^®, iLase^®, iPlus^®, Epic^®,  Epic Pro^®,  WCLI^®, World Clinical Laser Institute^®, Waterlase MD^®, Waterlase Dentistry^®, and EZLase^® are registered trademarks of BIOLASE, and Pedolase™ is a trademark of BIOLASE. All other product and company names are registered trademarks or trademarks of their respective owners.

35

ITEM 3. QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK

None.

ITEM 4. CONTROLS AND PROCEDURES

Disclosure Controls and Procedures

Under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, we conducted an evaluation of the effectiveness of the design and operation of our disclosure controls and procedures, as defined in Rules 13a-15(e) and 15d-15(e) under the Exchange Act, as of the end of the period covered by this report (the “Evaluation Date”). Based on this evaluation, our principal executive officer and principal financial officer concluded as of the Evaluation Date that our disclosure controls and procedures were effective such that the information relating to the Company, including our consolidated subsidiaries, required to be disclosed in our SEC reports (i) is recorded, processed, summarized and reported within the time periods specified in SEC rules and forms and (ii) is accumulated and communicated to the Company’s management, including our principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosure.

Under the supervision and with the participation of our management, including our principal executive officer and principal financial officer, we conducted an evaluation of any changes in our internal control over financial reporting (as such term is defined in Rules 13a-15(f) and 15d-15(f) under the Exchange Act) that occurred during our most recently completed fiscal quarter. Based on that evaluation, our principal executive officer and principal financial officer concluded that there has not been any change in our internal control over financial reporting during the quarter that has materially affected, or is reasonably likely to materially affect, our internal control over financial reporting.

PART II. OTHER INFORMATION

ITEM  1. LEGAL PROCEEDINGS

The disclosure contained in the first and second paragraphs of Part I, Item 1, Note 10 – Commitments and Contingencies—Litigation—Intellectual Property Litigation is hereby incorporated herein by reference.

ITEM  1A. RISK FACTORS

There have been no material changes to the risk factors as disclosed in Part I, Item 1A “Risk Factors” in the 2017 Form 10-K.

36

ITEM 6. EXHIBITS

			Incorporated by Reference
Exhibit	Description	Filed Herewith	Form	Period Ending/Date of Report	Exhibit	Filing Date
3.1.1	Restated Certificate of Incorporation, including, (i) Certificate of Designations, Preferences and Rights of 6% Redeemable Cumulative Convertible Preferred Stock of the Registrant; (ii) Certificate of Designations, Preferences and Rights of Series A 6% Redeemable Cumulative Convertible Preferred Stock of the Registrant; (iii) Certificate of Correction Filed to Correct a Certain Error in the Certificate of Designation of the Registrant; and (iv) Certificate of Designations of Series B Junior Participating Cumulative Preferred Stock of the Registrant.		S-1, Amendment No. 1	12/23/2005	3.1	12/23/2005
3.1.2	Amendment to Restated Certificate of Incorporation		8-K	05/10/2012	3.1	05/16/2012
3.1.3	Second Amendment to Restated Certificate of Incorporation		8-A/A	11/04/2014	3.1.3	11/04/2014
3.1.4	Certificate of Elimination of Series B Junior Participating Cumulative Preferred Stock		8-K	11/10/2015	3.1	11/12/2015
3.1.5	Certificate of Designations, Preferences and Rights of Series C Participating Convertible Preferred Stock of the Registrant		8-K	08/08/2016	3.1	08/08/2016
3.1.6	Certificate of Elimination of Series C Participating Convertible Preferred Stock of the Registrant		8-K	04/18/2017	3.1	04/20/2017
3.1.7	Certificate of Designations, Preferences and Rights of Series D Participating Convertible Preferred Stock of the Registrant		8-K	04/18/2017	3.2	04/20/2017
3.1.8	Third Amendment to Restated Certificate of Incorporation		S-3	07/21/2017	3.4	07/21/2017
3.1.9	Fourth Amendment to Restated Certificate of Incorporation		8-K	05/10/2018	3.1	05/11/2018
3.2	Sixth Amended and Restated Bylaws of the Registrant, adopted on June 26, 2014		8-K	06/26/2014	3.1	06/30/2014
4.1	Form of Warrant issued on March 6, 2018		10-K	12/31/2017	4.4	03/14/2018

37

			Incorporated by Reference
Exhibit	Description	Filed Herewith	Form	Period Ending/Date of Report	Exhibit	Filing Date
10.1*	Separation Agreement with General Release of All Claims, dated as of April 30, 2018, by and between Harold C. Flynn, Jr. and the Registrant		8-K/A	04/30/2018	10.1	05/03/2018
10.2	BIOLASE, Inc. 2018 Long-Term Incentive Plan (incorporated by reference to Exhibit A to the Company’s Definitive Proxy Statement filed on April 5, 2018)		DEF 14A		A	04/05/2018
10.3	Employment Agreement, dated August 7, 2018, by and between Todd Norbe and the Registrant		8-K	08/07/2018		08/08/2018
31.1	Certification of Chief Executive Officer pursuant to Rule 13a-14 and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended	X
31.2	Certification of Chief Financial Officer pursuant to Rule 13a-14 and Rule 15d-14(a) of the Securities Exchange Act of 1934, as amended	X
32.1	Certification of Chief Executive Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	**
32.2	Certification of Chief Financial Officer pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002	**
101	The following unaudited financial information from the Company’s Quarterly Report on Form 10-Q, for the period ended June 30, 2018, formatted in XBRL (Extensible Business Reporting Language): (i) Consolidated Balance Sheets, (ii) Consolidated Statements of Operations and Comprehensive Loss, (iii) Consolidated Statements of Cash Flows, (iv) Notes to Consolidated Financial Statements	X

* Compensatory contract or arrangement.

** Furnished herewith.

38

SIGNATURES

Pursuant to the requirements 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.

		BIOLASE, INC.
		(Registrant)
August 13, 2018	By:	/s/ Todd A. Norbe
Date		Todd A. Norbe
		President and Chief Executive Officer
				(Principal Executive Officer)
August 13, 2018	By:	/s/ JOHN R. BEAVER
Date		John R. Beaver
		Executive Vice President and Chief Financial Officer
			(Principal Financial Officer and
			Principal Accounting Officer)

39

EX-31.1

Exhibit 31.1

CERTIFICATION

I, Todd A. Norbe, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the period ended June 30, 2018 of BIOLASE, Inc.;

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 change in the registrant’s internal control over financial reporting that occurred during the 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. I have disclosed, based on my 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.

Date: August 13, 2018	By:	/s/ Todd a. Norbe
		Todd A. Norbe
		President and Chief Executive Officer (Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION

I, John R. Beaver, certify that:

1. I have reviewed this quarterly report on Form 10-Q for the period ended June 30, 2018 of BIOLASE, Inc.;

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 change in the registrant’s internal control over financial reporting that occurred during the 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. I have disclosed, based on my 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.

Date: August 13, 2018	By:	/s/ JOHN R. BEAVER
		John R. Beaver
		Executive Vice President and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION OF THE CHIEF EXECUTIVE OFFICER

PURSUANT TO 18 U.S.C. § 1350

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of BIOLASE, Inc. (the “Company”) on Form 10-Q for the quarter ended June 30, 2018 (the “Report”), I, Todd A. Norbe, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

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

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 13, 2018	By:	/s/ TODD A. NORBE
		Todd A. Norbe
		President and Chief Executive Officer (Principal Executive Officer)

EX-32.2

Exhibit 32.2

CERTIFICATION OF THE CHIEF financial OFFICER

PURSUANT TO 18 U.S.C. § 1350

AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report of BIOLASE, Inc. (the “Company”) on Form 10-Q for the quarter ended June 30, 2018 (the “Report”), I, John R. Beaver, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my knowledge:

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

(ii) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company.

Date: August 13, 2018	By:	/s/ JOHN R. BEAVER
		John R. Beaver
		Executive Vice President and Chief Financial Officer (Principal Financial Officer and Principal Accounting Officer)

XML

Document and Entity Information - shares	6 Months Ended
	Jun. 30, 2018	Aug. 06, 2018
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jun. 30, 2018
Document Fiscal Year Focus	2018
Document Fiscal Period Focus	Q2
Trading Symbol	BIOL
Entity Registrant Name	BIOLASE, INC
Entity Central Index Key	0000811240
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		20,596,901

XML

Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 2,895	$ 11,645
Restricted cash equivalent	251	251
Accounts receivable, less allowance of $1,004 in 2018 and $802 in 2017	10,399	10,124
Inventory, net	14,008	12,298
Prepaid expenses and other current assets	1,602	1,732
Total current assets	29,155	36,050
Property, plant, and equipment, net	3,164	3,674
Goodwill	2,926	2,926
Other assets	404	334
Total assets	35,649	42,984
Current liabilities:
Accounts payable	6,932	5,109
Accrued liabilities	5,575	5,609
Customer deposits	15	27
Deferred revenue, current portion	2,212	2,625
Total current liabilities	14,734	13,370
Deferred income taxes, net	106	104
Deferred revenue, long-term	6	11
Loan payable, long-term	80
Warranty accrual, long-term	221	70
Other liabilities, long-term	112	169
Total liabilities	15,259	13,724
Commitments and contingencies (Note 10)
Stockholders' equity:
Preferred stock, par value $0.001 per share; 1,000,000 shares authorized; 0 shares issued and outstanding as of June 30, 2018 and December 31, 2017, respectively
Common stock, par value $0.001 per share; 40,000,000 shares authorized, 20,596,901 and 20,467,936 shares issued and outstanding as of June 30, 2018 and December 31, 2017, respectively	20	20
Additional paid-in-capital	226,089	224,992
Accumulated other comprehensive loss	(610)	(576)
Accumulated deficit	(205,109)	(195,176)
Total stockholders' equity	20,390	29,260
Total liabilities and stockholders' equity	$ 35,649	$ 42,984

XML

Consolidated Balance Sheets (Unaudited) (Parenthetical) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Statement Of Financial Position [Abstract]
Allowance for accounts receivable	$ 1,004	$ 802
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	40,000,000	40,000,000
Common stock, shares issued	20,596,901	20,467,936
Common stock, shares outstanding	20,596,901	20,467,936

XML

Consolidated Statements Of Operations And Comprehensive Loss (Unaudited) - USD ($) shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Statement [Abstract]
Products and services revenue	$ 12,151,000	$ 12,580,000	$ 22,168,000	$ 23,422,000
License fees and royalty revenue	3,000	32,000	6,000	64,000
Net revenue	12,154,000	12,612,000	22,174,000	23,486,000
Cost of revenue	7,846,000	7,908,000	14,833,000	14,829,000
Gross profit	4,308,000	4,704,000	7,341,000	8,657,000
Operating expenses:
Sales and marketing	4,657,000	4,534,000	8,548,000	8,718,000
General and administrative	2,969,000	2,840,000	6,006,000	5,256,000
Engineering and development	1,361,000	1,810,000	2,650,000	3,239,000
Total operating expenses	8,987,000	9,184,000	17,204,000	17,213,000
Loss from operations	(4,679,000)	(4,480,000)	(9,863,000)	(8,556,000)
Gain (loss) on foreign currency transactions	(187,000)	217,000	20,000	216,000
Interest expense (income), net	(35,000)	10,000	(47,000)	19,000
Non-operating income (loss), net	(222,000)	227,000	(27,000)	235,000
Loss before income tax provision	(4,901,000)	(4,253,000)	(9,890,000)	(8,321,000)
Income tax provision	10,000	36,000	42,000	76,000
Net loss	(4,911,000)	(4,289,000)	(9,932,000)	(8,397,000)
Other comprehensive income item:
Foreign currency translation adjustment	(118,000)	157,000	(34,000)	187,000
Comprehensive loss	(5,029,000)	(4,132,000)	(9,966,000)	(8,210,000)
Net loss	(4,911,000)	(4,289,000)	(9,932,000)	(8,397,000)
Deemed dividend on convertible preferred stock		(3,978,000)		(3,978,000)
Net loss attributable to common stockholders	$ (4,911,000)	$ (8,267,000)	$ (9,932,000)	$ (12,375,000)
Net loss per share:
Basic	$ (0.24)	$ (0.61)	$ (0.48)	$ (0.91)
Diluted	$ (0.24)	$ (0.61)	$ (0.48)	$ (0.91)
Shares used in the calculation of net loss per share:
Basic	20,538	13,561	20,504	13,539
Diluted	20,538	13,561	20,504	13,539

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Consolidated Statements Of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows from Operating Activities:
Net loss	$ (9,932)	$ (8,397)
Adjustments to reconcile net loss to net cash and cash equivalents used in operating activities:
Depreciation and amortization	509	577
Provision for bad debts, net	230	55
Provision for inventory excess and obsolescence	59	225
Amortization of discounts on lines of credit	17
Amortization of debt issuance costs	25
Stock-based compensation	1,258	1,140
Deferred income taxes	2	30
Earned interest income, net	(1)	(19)
Changes in operating assets and liabilities:
Accounts receivable	(504)	(55)
Inventory	(1,769)	(1,894)
Prepaid expenses and other current assets	105	433
Customer deposits	(12)	24
Accounts payable and accrued liabilities	2,086	(2,673)
Deferred revenue	(418)	(353)
Net cash and cash equivalents used in operating activities	(8,345)	(10,907)
Cash Flows from Investing Activities:
Purchases of property, plant, and equipment	(110)	(637)
Net cash and cash equivalents used in investing activities	(110)	(637)
Cash Flows from Financing Activities:
Principal payments under capital lease obligation	(46)	(86)
Borrowings under lines of credit	1,823
Payments under lines of credit	(1,823)
Payments of debt issuance costs	(87)
Proceeds from equity offering, net of expenses		10,457
Payments of equity offering costs	(138)
Proceeds from exercise of stock options	2	3
Net cash and cash equivalents (used in) provided by financing activities	(269)	10,374
Effect of exchange rate changes	(26)	162
Decrease in cash, cash equivalents and restricted cash	(8,750)	(1,008)
Cash, cash equivalents and restricted cash, beginning of period	11,896	9,175
Cash, cash equivalents and restricted cash, end of period	3,146	8,167
Supplemental cash flow disclosure - Cash Paid:
Interest paid		1
Income taxes paid	$ 15	137
Supplemental cash flow disclosure - Non-cash:
Accrued capital expenditures and tenant improvement allowance		$ 158

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Description of Business and Basis of Presentation

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Description of Business and Basis of Presentation

NOTE 1—DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION

The Company

BIOLASE, Inc. (“BIOLASE” and, together with its consolidated subsidiaries, the “Company”), incorporated in Delaware in 1987, is a medical device company that develops, manufactures, markets, and sells laser systems in dentistry and medicine and also markets, sells, and distributes dental imaging equipment, including three-dimensional CAD/CAM intra-oral scanners and digital dentistry software.

Basis of Presentation

The unaudited consolidated financial statements include the accounts of BIOLASE and its wholly-owned subsidiaries and have been prepared on a basis consistent with the December 31, 2017 audited consolidated financial statements and include all material adjustments, consisting of normal recurring adjustments and the elimination of all material intercompany transactions and balances, necessary to fairly present the information set forth therein. These unaudited, interim, consolidated financial statements do not include all the footnotes, presentations, and disclosures normally required by accounting principles generally accepted in the United States of America (“GAAP”) for complete consolidated financial statements. Certain amounts have been reclassified to conform to current period presentations.

The consolidated results of operations for the three and six months ended June 30, 2018 are not necessarily indicative of the results for the full year. The accompanying consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2017, included in BIOLASE’s Annual Report on Form 10-K for the year ended December 31, 2017 filed with the Securities and Exchange Commission (the “SEC”) on March 14, 2018 (the “2017 Form 10-K”).

Liquidity and Management’s Plans

The Company incurred a loss from operations and a net loss, and used cash in operating activities for the three and six months ended June 30, 2018. The Company’s recurring losses, level of cash used in operations, and potential need for additional capital, along with uncertainties surrounding the Company’s ability to raise additional capital, raise substantial doubt about the Company’s ability to continue as a going concern. The financial statements do not include any adjustments that might be necessary if the Company is unable to continue as a going concern.

On March 6, 2018, BIOLASE and two of its wholly-owned subsidiaries entered into a Business Financing Agreement (the “Business Financing Agreement”) with Western Alliance Bank (“Western Alliance”), which provides for borrowings of up to $6.0 million. The Company had no borrowings outstanding under these lines of credit as of June 30, 2018. See Note 9 – Lines of Credit for additional information.

As of June 30, 2018, the Company had working capital of approximately $14.4 million. The Company’s principal sources of liquidity as of June 30, 2018 consisted of approximately $3.1 million in cash and cash equivalents and restricted cash, $10.4 million of accounts receivable and $3.9 million available under the Business Financing Agreement. 

In order for the Company to continue operations beyond the next 12 months and be able to discharge its liabilities and commitments in the normal course of business, the Company must increase sales of its products directly to end-users and through distributors, establish profitable operations through the combination of increased sales and decreased expenses, generate cash from operations or obtain additional funds when needed. The Company intends to improve its financial condition and ultimately improve its financial results by increasing revenues through expansion of its product offerings, continuing to expand and develop its field sales force and distributor relationships, both domestically and internationally, forming strategic arrangements within the dental and medical industries, educating dental and medical patients as to the benefits of its advanced medical technologies, and reducing expenses.

Additional capital requirements may depend on many factors, including, among other things, continued losses, the rate at which the Company’s business grows, demands for working capital, manufacturing capacity, and any acquisitions that the Company may pursue. From time to time, the Company could be required, or may otherwise attempt, to raise capital, through either equity or debt offerings, or enter into an additional line of credit facility. As discussed in Note 9, on March 6, 2018, BIOLASE entered into the Business Financing Agreement, providing for a secured line of credit. The Company cannot provide assurance that it will be able to successfully consummate any equity or debt financings or enter into any other line of credit facility in the future. The Company also cannot provide assurance that the required capital would be available on acceptable terms, if at all, or that any such financing activity would not be dilutive to the Company’s stockholders.

Reverse Stock Split

Except as the context otherwise requires, all share numbers and share price amounts (including exercise prices and closing market prices) contained in the unaudited financial statements and notes thereto reflect the reverse stock split effectuated by the Company on May 10, 2018. See Note 4 – Stockholders’ Equity for additional information.

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Summary of Significant Accounting Policies

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

NOTE 2—SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

Use of Estimates

The preparation of these consolidated financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect amounts reported in the consolidated financial statements and the accompanying notes. Significant estimates in these consolidated financial statements include allowances on accounts receivable, inventory, and deferred taxes, as well as estimates for accrued warranty expenses, the ability of goodwill to be realized, revenue deferrals, effects of stock-based compensation and warrants, contingent liabilities, and the provision or benefit for income taxes. Due to the inherent uncertainty involved in making estimates, actual results reported in future periods may differ materially from those estimates.

Critical Accounting Policies

Information with respect to the Company’s critical accounting policies, which management believes could have the most significant effect on the Company’s reported results and require subjective or complex judgments by management is contained in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” of the 2017 Form 10-K. Management believes that there have been no significant changes during the six months ended June 30, 2018 in the Company’s critical accounting policies from those disclosed in Item 7 of the 2017 Form 10-K.

Fair Value of Financial Instruments

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants in the principal market (or, if none exists, the most advantageous market) for the specific asset or liability at the measurement date (referred to as the “exit price”). The fair value is based on assumptions that market participants would use, including a consideration of nonperformance risk. Under the accounting guidance for fair value hierarchy there are three levels of measurement inputs. Level 1 inputs are quoted prices in active markets for identical assets or liabilities. Level 2 inputs reflect input other than quoted prices included in Level 1 that are observable, either directly or through collaboration with observable market data, other than Level 1. Level 3 inputs are unobservable due to little or no corroborating market data.

The Company’s financial instruments, consisting of cash, cash equivalents and restricted cash, accounts receivable, accounts payable, and accrued liabilities, approximate fair value because of the short maturity of these items.

Recent Accounting Pronouncements

Changes to GAAP are established by the Financial Accounting Standards Board (“FASB”) in the form of accounting standards updates (“ASUs”) to the FASB’s Accounting Standards Codification.

The Company considers the applicability and impact of all ASUs. ASUs not listed below were assessed and determined not to be applicable or are expected to have minimal impact on the Company’s consolidated financial position and results of operations.

Adopted Accounting Pronouncements

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”). The core principle of ASU 2014-09 is to recognize revenues when promised goods or services are transferred to customers in an amount that reflects the consideration to which an entity expects to be entitled for those goods or services. The standard is effective for annual periods beginning after December 15, 2017, and interim periods therein.

ASU 2014-09 supersedes existing guidance on revenue recognition with a five-step model for recognizing and measuring revenue from contracts with customers. The objective of the new standard is to provide a single, comprehensive revenue recognition model for all contracts with customers to improve comparability within industries, across industries, and across capital markets. The underlying principle is that an entity will recognize revenue to depict the transfer of goods or services to customers at an amount that the entity expects to be entitled to in exchange for those goods or services. The guidance also requires a number of disclosures regarding the nature, amount, timing, and uncertainty of revenue and the related cash flows. The guidance can be applied retrospectively to each prior reporting period presented (full retrospective method) or retrospectively with a cumulative effect adjustment to retained earnings for initial application of the guidance at the date of initial adoption (modified retrospective method). The Company adopted the new standard effective January 1, 2018 using the modified retrospective method applied to those contracts that were not completed or substantially completed as of January 1, 2018. The timing and measurement of revenue recognition under the new standard is not materially different than under the old standard. The adoption of the new standard did not have an impact on the Company’s consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows (Topic 230) (“ASU 2016-15”). The updated standard addresses eight specific cash flow issues with the objective of reducing diversity in practice. ASU 2016-15 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. Early adoption is permitted.  The Company adopted ASU 2016-15 as of January 1, 2018. The adoption of ASU 2016-15 did not have an impact on the Company’s consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows (Topic 230) (“ASU 2016-18”). The updated standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. ASU 2016-18 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. The Company adopted ASU 2016-18 as of January 1, 2018. The adoption of ASU 2016-18 did not have a material effect on the Company’s consolidated financial statements.

In May 2017, the FASB issued ASU 2017-09, Compensation – Stock Compensation (Topic 718) (“ASU 2017-09”). The updated standard clarifies when an entity must apply modification accounting to changes in the terms or conditions of a share-based payment award. ASU 2017-09 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. Early adoption is permitted.  The Company adopted ASU 2017-09 as of January 1, 2018. The adoption of ASU 2017-09 did not have a material effect on the Company’s consolidated financial statements.

Recently Issued Accounting Standards

In February 2016, FASB issued ASU 2016-02, Leases (“ASU 2016-02”). The new standard establishes a right-of-use (“ROU”) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. The Company is currently evaluating the impact of its pending adoption of ASU 2016-02 on its consolidated financial statements.

In July 2017, FASB issued ASU 2017-11 (Part I) Accounting for Certain Financial Instruments with Down Round Features, (Part II) Replacement of the Indefinite Deferral for Mandatorily Redeemable Financial Instruments of Certain Nonpublic Entities and Certain Mandatorily Redeemable Noncontrolling Interests with a Scope Exception (“ASU 2017-11”). The new standard simplifies the accounting for certain financial instruments with down round features. Part I of ASU 2017-11 changes the classification analysis of certain equity-linked financial instruments, such as warrants and embedded conversion features, such that a down round feature is disregarded when assessing whether the instrument is indexed to an entity’s own stock under Subtopic 815-40, Contracts in Entity’s Own Equity. As a result, a down round feature, by itself, no longer requires an instrument to be remeasured at fair value through earnings each period, although all other aspects of the indexation guidance under Subtopic 815-40 continue to apply. Part II of ASU 2017-11 recharacterizes the indefinite deferral of certain provisions of Topic 480, Distinguishing Liabilities from Equity, (currently presented as pending content in the Codification) as a scope exception. No change in the Company’s practice is expected as a result of these amendments. The new standard is effective for fiscal years beginning after December 15, 2018, Early adoption is permitted. The amendments in Part II have no accounting impact and therefore do not have an associated effective date. The Company is currently evaluating the impact of its pending adoption of ASU 2017-11 on its consolidated financial statements.

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Revenue Recognition

6 Months Ended

Jun. 30, 2018

Revenue Recognition [Abstract]

Revenue Recognition

NOTE 3 – REVENUE RECOGNITION

Contracts with Customers

Revenue for sales of products and services is derived from contracts with customers. The products and services promised in contracts include delivery of laser systems, imaging systems, and consumables as well as certain ancillary services such as training and extended warranties. Contracts with each customer generally state the terms of the sale, including the description, quantity and price of each product or services. Payment terms are stated in the contract and vary according to the arrangement. Because the customer typically agrees to a stated rate and price in the contract that does not vary over the life of the contract, the Company’s contracts do not contain variable consideration.  The Company establishes a provision for estimated warranty reserves. For further information on warranty, see Note 8 – Accrued Liabilities.

Performance Obligations

At contract inception, the Company assesses the products and services promised in its contracts with customers. The Company then identifies performance obligations to transfer distinct products or services to the customers. In order to identify performance obligations, the Company considers all of the products or services promised in contracts regardless of whether they are explicitly stated or are implied by customary business practices.

Revenue from products and services transferred to customers at a single point in time accounted for 87% and 85% of net revenue for the three and six months ended June 30, 2018, respectively. The majority of the Company’s revenue recognized at a point in time is for the sale laser systems, imaging systems, and consumables. Revenue from these contracts is recognized when the customer is able to direct the use of and obtain substantially all of the benefits from the product which generally coincides with title transfer during the shipping process.

Revenue from services transferred to customers over time accounted for 13% and 15% of net revenue for the three and six months ended June 30, 2018, respectively. The majority of the Company’s revenue that is recognized over time relates to training and extended warranties.

Transaction Price Allocation

The transaction price for a contract is allocated to each distinct performance obligation and recognized as revenue when, or as, each performance obligation is satisfied. For contracts with multiple performance obligations, the Company allocates the contract’s transaction price to each performance obligation using the best estimate of the standalone selling price of each distinct good or service in a contract. The primary method used to estimate standalone selling price is the observable price when the good or service is sold separately in similar circumstances and to similar customers.

Significant Judgments

Revenue is recorded for extended warranty over time as the customer benefits from the warranty coverage. This revenue will be recognized equally throughout the contract period as the customer receives benefits from the Company's promise to provide such services. Revenue is recorded for training as the customer attends a training program or upon the expiration of the obligation.

The Company also has contracts that include both the product sales and training as performance obligations. In those cases, the Company records revenue for product at the point in time when the product has been shipped. The customer obtains control of the product when it is shipped, as all shipments are made FOB shipping point, and after the customer selects its shipping method and pays all shipping costs and insurance. The Company has concluded that control is transferred to the customer upon shipment.

Accounts Receivable

Accounts receivable are stated at estimated net realizable value. The allowance for doubtful accounts is based on an analysis of customer accounts and the Company’s historical experience with accounts receivable write-offs.

Contract Liabilities

The Company performs its obligations under a contract with a customer by transferring products and/or services in exchange for consideration from the customer. The Company typically invoices its customers as soon as control of an asset is transferred and a receivable for the Company is established. The Company, however, recognizes a contract liability when a customer prepays for goods and/or services and the Company has not transferred control of the goods and/or services. The opening and closing balances of the Company’s contract liabilities are as follows (in thousands):

	June 30,		December 31,
	2018		2017
Undelivered elements (training and product and support     services; installation for 2017)	$	624	$	980
Extended warranty contracts		1,577		1,634
Deferred royalties		17		22
Total deferred revenue		2,218		2,636
Less long-term amounts:
Deferred royalties		6		11
Total deferred revenue - long-term		6		11
Total deferred revenue - current	$	2,212	$	2,625

The balance of contract assets was immaterial as the Company did not have a significant amount of uninvoiced receivables in the periods ended June 30, 2018 and December 31, 2017.

The amount of revenue recognized during the period that was included in the opening contract liability balance related to undelivered elements was $0.6 million, related to extended warranty contracts was $0.7 million and deferred royalties was $6,000.

Disaggregation of Revenue

The Company disaggregates revenue from contracts with customers into geographical regions and by the timing of when goods and services are transferred. The Company determined that disaggregating revenue into these categories depicts how the nature, amount, timing and uncertainty of revenue and cash flows are affected by regional economic factors.

The Company’s revenues related to the following geographic areas were as follows for the periods indicated (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
United States	$	7,164	$	8,194	$	12,857	$	15,037
International		4,990		4,418		9,317		8,449
	$	12,154	$	12,612	$	22,174	$	23,486

Information regarding revenues disaggregated by the timing of when goods and services are transferred is as follows (in thousands):

	Three Months Ended	Six Months Ended
	June 30, 2018	June 30, 2018
Revenue recognized over time	$                             1,557	$                                 3,254
Revenue recognized at a point in time	10,597	18,920
Total	$                            12,154	$                                22,174

The Company’s sales by end market were as follows for the periods indicated (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
End-customer	$	7,675	$	8,651	$	13,712	$	15,796
Distributors		4,479		3,961		8,462		7,690
	$	12,154	$	12,612	$	22,174	$	23,486

The Company acts as the principal in all its imaging equipment distribution sales. The Company takes possession and control of the equipment before they are sold and transferred to the customer. The Company provides the equipment and any related services directly to the customer. The Company has inventory risk before the equipment is transferred to a customer. The Company purchases and obtains the goods before obtaining a contract with a customer. The Company also has discretion in establishing the price sold to the customer for the equipment.

The percentages of the Company’s sales by product line were as follows for the periods indicated:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Waterlase (laser systems)		42.9	%		42.4	%		39.2	%		41.3	%
Diodes (laser systems)		22.3	%		20.7	%		22.2	%		21.3	%
Imaging systems		3.1	%		7.5	%		4.3	%		6.7	%
Consumables and other		18.9	%		16.3	%		19.6	%		15.9	%
Services		12.8	%		12.8	%		14.7	%		14.5	%
License fees and royalties		—	%		0.3	%		—	%		0.3	%
		100.0	%		100.0	%		100.0	%		100.0	%

Shipping and Freight Costs

Shipping and freight costs are treated as fulfillment costs. For shipments to end-customers, the customer bears the shipping and freight costs and has control of the product upon shipment. For shipments to distributors, the distributor bears the shipping and freight costs, including insurance, tariffs and other import/export costs.

Practical Expedients

For the period ended June 30, 2018, the Company elected the following practical expedients:

In accordance with Subtopic 340-40 "Other Assets and Deferred Costs - Contracts with Customers,” the Company elected to expense the incremental costs of obtaining a contract when the amortization period for such contracts would have been one year or less.

The Company has made an accounting policy election to exclude all taxes by governmental authorities from the measurement of the transaction price.

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Stockholders' Equity

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Stockholders' Equity

NOTE 4—STOCKHOLDERS’ EQUITY

Reverse Stock Split

At BIOLASE’s annual meeting of stockholders on May 9, 2018 (the “Annual Meeting”), BIOLASE stockholders approved an amendment to BIOLASE’s Restated Certificate of Incorporation, as amended, to effect a reverse stock split of BIOLASE common stock, at a ratio ranging from one-for-five (1:5) to one-for-fifteen (1:15), with the final ratio to be determined by the BIOLASE board of directors (the “Board”). Immediately after the Annual Meeting, the Board approved a one-for-five (1:5) reverse stock split of the outstanding shares of BIOLASE common stock (the “Reverse Stock Split”). On May 10, 2018, the Company filed an amendment (the “Amendment”) to its Restated Certificate of Incorporation, as amended, with the Secretary of State of the State of Delaware to effect the Reverse Stock Split, effective as of 11:59 p.m. on May 10, 2018. The Amendment also reduced the authorized shares of common stock from 200,000,000 shares to 40,000,000 shares.     

Stock-Based Compensation

2002 Stock Incentive Plan

The 2002 Stock Incentive Plan (as amended effective as of May 26, 2004, November 15, 2005, May 16, 2007, May 5, 2011, June 6, 2013, October 30, 2014, April 27, 2015, and May 6, 2016) (the “2002 Plan”), which was replaced by the 2018 Plan (as defined below) with respect to future equity awards. Persons eligible to receive awards under the 2002 Plan included officers, employees, and directors of the Company, as well as consultants. As of June 30, 2018, a total of 3.1 million shares of BIOLASE common stock have been authorized for issuance under the 2002 Plan, of which 0.9 million shares of BIOLASE common stock have been issued pursuant to options that were exercised and restricted stock units (“RSUs”) that were settled in common stock and 1.9 million shares of BIOLASE common stock have been reserved for outstanding options and unvested RSUs.

2018 Stock Incentive Plan

At the Annual Meeting, BIOLASE stockholders approved the BIOLASE, Inc. 2018 Long-Term Incentive Plan (the “2018 Plan”). The purposes of the 2018 Plan are (i) to align the interests of the Company’s stockholders and recipients of awards under the 2018 Plan by increasing the proprietary interest of such recipients in the Company’s growth and success; (ii) to advance the interests of the Company by attracting and retaining non-employee directors, officers, other employees, consultants, independent contractors and agents; and (iii) to motivate such persons to act in the long-term best interests of the Company and its stockholders.

Subject to the terms and conditions of the 2018 Plan, the number of shares authorized for grants under the 2018 Plan is 2,035,287, which is equal to 2,120,547, reduced by 85,260 shares, which is the number of shares subject to awards granted under the 2002 Plan on or after March 1, 2018, as adjusted for the Reverse Stock Split. As of June 30, 2018, a total of 2.0 million shares of BIOLASE common stock have been authorized for issuance under the 2018 Plan, of which 1.6 million shares of BIOLASE common stock have been reserved for outstanding options and unvested RSUs, and 0.4 million shares of BIOLASE common stock remain available for future grants.

The Company recognized stock-based compensation expense of $0.6 million and $0.8 million, for the three months ended June 30, 2018 and 2017, respectively, and $1.3 million and $1.1 million, for the six months ended June 30, 2018 and 2017, respectively, based on the grant-date fair value. Stock-based compensation expense for the six months ended June 30, 2018 and 2017 includes the reversal of $0.1 million and $0.5 million, respectively, resulting from the reassessment of certain performance-based equity awards. The net impact of stock-based compensation expense to earnings was $(0.03), and $(0.06) per basic and diluted share for the three months ended June 30, 2018 and 2017, respectively, and $(0.06) and $(0.08) per basic and diluted share for the six months ended June 30, 2018 and 2017, respectively. At June 30, 2018, the Company had approximately $3.6 million of total unrecognized compensation expense, net of estimated forfeitures, related to unvested share-based compensation arrangements. The Company expects that expense to be recognized over a weighted-average period of 2.0 years.

The following table summarizes the income statement classification of compensation expense associated with share-based payments (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Cost of revenue	$	105	$	67	$	162	$	107
Sales and marketing		154		93		234		166
General and administrative		207		506		674		699
Engineering and development		91		95		188		168
	$	557	$	761	$	1,258	$	1,140

The stock option fair values were estimated using the Black-Scholes option-pricing model with the following assumptions:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Expected term	5.7 years			5.4 years			5.9 years			5.6 years
Volatility		81.2	%		77.6	%		81.4	%		78.5	%
Annual dividend per share	$	—		$	—		$	—		$	—
Risk-free interest rate		2.71	%		1.98	%		2.46	%		1.98	%

A summary of option activity for the six months ended June 30, 2018 is as follows (in thousands, except per share data):

						Weighted Average
				Weighted		Remaining		Aggregate
				Average		Contractual		Intrinsic
	Shares			Exercise Price		Term (Years)		Value(1)
Options outstanding, December 31, 2017		1,924		$	8.62		7.21	$	—
Granted at fair market value		402			2.09
Exercised		(1	)		2.10
Forfeited, cancelled, or expired		(322	)		11.12
Options outstanding at June 30, 2018		2,003		$	6.91		6.14	$	—
Options exercisable at June 30, 2018		1,095		$	8.75		4.97	$	—
Vested options expired during the quarter    ended June 30, 2018		191		$	14.29

(1) The intrinsic value calculation does not include negative values. This can occur when the fair market value on the reporting date is less than the exercise price of the grant.

A summary of unvested stock option activity for the six months ended June 30, 2018 is as follows (in thousands, except per share data):

				Weighted
				Average Grant
	Shares			Date Fair Value
Unvested options at December 31, 2017		846		$	3.14
Granted		402		$	1.46
Vested		(240	)	$	3.59
Forfeited or cancelled		(99	)	$	2.55
Unvested options at June 30, 2018		909		$	2.34

Cash proceeds, along with fair value disclosures related to grants, exercises, and vested options are as follows (in thousands, except per share amounts):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Proceeds from stock options exercised	$	—	$	3	$	2	$	3
Tax benefit related to stock options    exercised (1)	N/A		N/A		N/A		N/A
Intrinsic value of stock options exercised (2)	$	—	$	1	$	—	$	1
Weighted-average fair value of options granted    during period	$	1.27	$	3.94	$	1.46	$	4.60
Total fair value of shares vested during    the period	$	843	$	364	$	245	$	698

(1) Excess tax benefits received related to stock option exercises are presented as financing cash inflows. The Company currently does not receive a tax benefit related to the exercise of stock options due to the Company’s net operating losses.

(2) The intrinsic value of stock options exercised is the amount by which the market price of the stock on the date of exercise exceeded the market price of the stock on the date of grant.

Effective January 25, 2018, the Compensation Committee of the Board awarded 360,000 non-qualified stock options to purchase shares of BIOLASE common stock to certain employees of the Company. These awards were valued at $2.11 per share, the Reverse Stock Split-adjusted closing market price of BIOLASE common stock on the grant date, and expire 10 years from the grant date. The options vest ratably over the 36-month period, commencing on February 25, 2018.

Restricted Stock Units

Under the 2002 Plan, effective January 26, 2018, the Board issued 40,000 RSUs to the Company’s President and Chief Executive Officer. This award was valued at $2.00 per share, the Reverse Stock Split-adjusted closing market price of BIOLASE common stock on the grant date, and will vest upon the achievement of specific annual Company performance criteria.

Under the 2018 Plan, effective May 14, 2018, the Compensation Committee of the Board granted the following:

• 1,193,850 shares to certain Board members, employees and consultants of the Company. These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and vest 40% on December 31, 2018 and 60% on December 31, 2019, subject to continued service through the applicable vesting date.

• 398,275 shares to certain Board members of the Company. These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and fully vest on the first anniversary of the grant date, subject to continued service through the applicable vesting date.

• 10,127 shares to certain employees of the Company. These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and were fully vested on the grant date., subject to continued service through the applicable vesting date.

Under the 2018 Plan, effective June 15, 2018, the Board granted 155,000 RSUs to the new Board members. These awards were valued at $1.25 per share, the closing price of BIOLASE common stock on the grant date, and vest fully on May 9, 2019.

A summary of unvested RSU activity for the six months ended June 30, 2018 is as follows (in thousands, except per share amounts):

				Weighted
				Average Grant
	Shares			Date Fair Value
Unvested restricted stock units at December 31, 2017		358		$	4.84
Granted		2,456		$	1.44
Vested		(212	)	$	2.38
Forfeited or cancelled		(208	)	$	4.48
Unvested restricted stock units at June 30, 2018		2,394		$	1.51

Warrants

The Company issues warrants to acquire shares of BIOLASE common stock as approved by the Board. A summary of warrant activity for the six months ended June 30, 2018 is as follows (in thousands, except exercise price amounts):

			Weighted
			Average
	Shares		Exercise Price
Warrants outstanding, December 31, 2017		1,225	$	9.63
Granted or Issued		52	$	2.35
Exercised		—	$	—
Forfeited, cancelled, or expired			$	—
Warrants outstanding at June 30, 2018		1,277	$	9.33
Warrants exercisable at June 30, 2018		1,250	$	9.10
Vested warrants expired during the quarter    ended June 30, 2018		—	$	—

On March 6, 2018, in connection with the execution of the Business Financing Agreement, the Company issued to Western Alliance warrants (the “Western Alliance Warrants”) to purchase up that number of shares of BIOLASE common stock equal to $120,000 divided by the applicable exercise price at the time such warrants are exercised. The Western Alliance Warrants are fully vested and exercisable. The Western Alliance Warrants may be exercised with a cash payment from Western Alliance, or, in lieu of a cash payment, Western Alliance may convert the warrants into a number of shares, in whole or in part. The initial exercise price of the warrants was $2.35 per share, which was the Reverse Stock Split-adjusted closing market price of BIOLASE common stock on March 6, 2018.  See Note 9 – Lines of Credit for further discussion.

Net Loss Per Share – Basic and Diluted

Basic net income (loss) per share is computed by dividing income (loss) available to common stockholders by the weighted-average number of shares of BIOLASE common stock outstanding for the period. In computing diluted net income (loss) per share, the weighted average number of shares outstanding is adjusted to reflect the effect of potentially dilutive securities.

Outstanding stock options, RSUs and warrants to purchase approximately 5.1 million shares were not included in the calculation of diluted loss per share for the three and six months ended June 30, 2018, as their effect would have been anti-dilutive. For the same 2017 periods, anti-dilutive outstanding stock options and warrants to purchase 5.4 million shares were not included in the computation of diluted loss per share.

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Inventory

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Inventory

NOTE 5—INVENTORY

Inventory is valued at the lower of cost or net realizable value and is comprised of the following (in thousands):

	June 30,		December 31,
	2018		2017
Raw materials	$	4,301	$	3,953
Work-in-process		1,776		1,162
Finished goods		7,931		7,183
Inventory, net	$	14,008	$	12,298

Inventory is net of a provision for excess and obsolete inventory totaling $1.8 million and $1.9 million as of June 30, 2018 and December 31, 2017, respectively.

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Property, Plant, and Equipment

6 Months Ended

Jun. 30, 2018

Property Plant And Equipment [Abstract]

Property, Plant, and Equipment

NOTE 6—PROPERTY, PLANT, AND EQUIPMENT

Property, plant, and equipment, net is comprised of the following (in thousands):

	June 30,			December 31,
	2018			2017
Building	$	217		$	220
Leasehold improvements		2,005			2,005
Equipment and computers		6,884			6,883
Furniture and fixtures		634			634
Construction in progress		1,190			1,182
		10,930			10,924
Accumulated depreciation and amortization		(7,935	)		(7,426	)
		2,995			3,498
Land		169			176
Property, plant, and equipment, net	$	3,164		$	3,674

Depreciation and amortization expense related to property, plant, and equipment totaled $0.2 million and $0.5 million for the three and six months ended June 30, 2018, respectively, and $0.3 million and $0.6 million for the three and six months ended June 30, 2017, respectively.

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Intangible Assets and Goodwill

6 Months Ended

Jun. 30, 2018

Goodwill And Intangible Assets Disclosure [Abstract]

Intangible Assets And Goodwill

NOTE 7—INTANGIBLE ASSETS AND GOODWILL

The Company conducted its annual impairment test of goodwill as of June 30, 2018 and determined that there was no impairment. The Company also tests its intangible assets and goodwill between the annual impairment tests if events occur or circumstances change that would more likely than not reduce the fair value of the Company or its assets below their carrying amounts. For intangible assets subject to amortization, the Company performs its impairment test when indicators, such as reductions in demand or significant economic slowdowns, are present. No events have occurred since June 30, 2018 through the date of these consolidated financial statements that would trigger further impairment testing of the Company’s intangible assets and goodwill.

As of June 30, 2018 and December 31, 2017, the Company had goodwill (indefinite life) of $2.9 million. As of June 30, 2018 and December 31, 2017, all intangible assets have been fully amortized. There was no amortization expense for the three and six months ended June 30, 2018 or 2017.

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Accrued Liabilities

6 Months Ended

Jun. 30, 2018

Payables And Accruals [Abstract]

Accrued Liabilities and Deferred Revenue

NOTE 8—ACCRUED LIABILITIES

Accrued liabilities are comprised of the following (in thousands):

	June 30,		December 31,
	2018		2017
Payroll and benefits	$	2,301	$	2,115
Warranty accrual, current portion		1,138		1,120
Taxes		487		544
Accrued professional services		1,041		584
Accrued insurance premium		59		870
Other		549		376
Total accrued liabilities	$	5,575	$	5,609

Changes in the initial product warranty accrual and the expenses incurred under the Company’s initial and extended warranties for the three and six months ended June 30, 2018 and 2017 are included within accrued liabilities on the Consolidated Balance Sheets and were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Initial warranty accrual, beginning balance	$	1,214		$	1,460		$	1,190		$	1,706
Provision for estimated warranty cost		378			25			624			2
Warranty expenditures		(233	)		(200	)		(455	)		(423	)
		1,359			1,285			1,359			1,285
Less warranty accrual, long-term		221			296			221			296
Total warranty accrual, current portion	$	1,138		$	989		$	1,138		$	989

The Company’s Waterlase laser systems sold worldwide are covered by a warranty against defects in material and workmanship for a period of up to 16 months from the date of sale by the Company or a distributor to the end-user. The Company’s Diode systems sold worldwide are covered by a warranty against defects in material and workmanship for a period of up to 28 months from the date of sale by the Company or a distributor to the end-user.

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Lines of Credit

6 Months Ended

Jun. 30, 2018

Line Of Credit Facility [Abstract]

Lines of Credit

NOTE 9—LINES OF CREDIT

On March 6, 2018, BIOLASE and two of its wholly-owned subsidiaries (such subsidiaries, together with BIOLASE, the “Borrower”) entered into the Business Financing Agreement. Pursuant to the terms and conditions of the Business Financing Agreement, Western Alliance has agreed to provide the Borrower a secured revolving line of credit permitting the Borrower to borrow or receive letters of credit up to the lesser of $6.0 million (the “Domestic Revolver”) (subject to a $6.0 million credit limit relating to domestic eligible accounts receivable (the “domestic credit limit”) and a $3.0 million credit limit relating to export-related (the “EXIM Revolver”) eligible accounts receivable (the “EXIM credit limit”)) and the borrowing base, which is defined as the sum of the domestic borrowing base (up to 75% of the Borrower’s eligible domestic accounts receivable less such reserves as Western Alliance may deem proper and necessary) and the export-related borrowing base (up to 85% of the Borrower’s eligible export-related accounts receivable less such reserves as Western Alliance may deem proper and necessary). The Business Financing Agreement expires on March 6, 2020, and the Borrower’s obligations thereunder are secured by a security interest in all of the Borrower’s assets.

As of June 30, 2018, the Company had no outstanding borrowings under the Domestic Revolver or the EXIM Revolver. There were no restricted cash balances required by the Domestic Revolver or the EXIM Revolver as of June 30, 2018. The Company’s obligations are generally secured by substantially all of the Company’s assets. The total amount available under the Business Financing Agreement as of June 30, 2018 was $3.9 million. The Company received a notice of non-compliance with certain non-financial covenants, and on August 13, 2018, the Company entered into a waiver agreement (the “Waiver Agreement”) with Western Alliance, which waived the non-compliance with these non-financial covenants, specifically the Company’s failure to transfer bank accounts to Western Alliance and to dissolve certain non-operating subsidiaries. The Company paid fees of $5,000 in connection with the Forbearance Agreement, pursuant to which WAB set the total aggregate available borrowings to $1.5 million.

The Business Financing Agreement requires the Company to maintain compliance with certain financial and non-financial covenants, as defined therein. If a default occurs, Western Alliance may declare the amounts outstanding under the Business Financing Agreement immediately due and payable. As of June 30, 2018, the Company was in compliance with these covenants.

Amounts outstanding under the Business Financing Agreement bear interest at a per annum floating rate equal to the greater of 4.5% or the “Prime Rate” published in the Money Rates section of the Western Edition of The Wall Street Journal (or such other rate of interest publicly announced from time to time by Western Alliance as its “Prime Rate”), plus 1.5% with respect to advances made under the line of credit, plus an additional 5.0% during any period that an event of default has occurred and is continuing. The commitment fee under the Business Financing Agreement is 0.25% of the domestic credit limit and 1.75% of the EXIM credit limit and is payable on March 6, 2018 and each anniversary thereof. As of June 30, 2018, the interest rate on both the Domestic Revolver and EXIM Revolver was 6.5%.

Pursuant to the Business Financing Agreement, the Company paid the first of two annual commitment fees totaling $67,500, being 0.25% of the aggregate $6.0 million commitment for the Domestic Revolver and 1.75% of the aggregate $3.0 million commitment for the EXIM Revolver. The commitment fees and the legal costs associated with acquiring the credit facilities were capitalized and are being amortized on a straight-line basis as interest expense over the term of the Business Financing Agreement.

As additional consideration for the lines of credit, the Company also issued the Western Alliance Warrants. For additional information on the Western Alliance Warrants, see Note 4 – Stockholders’ Equity. The fair value of the Western Alliance Warrants was estimated using the Black-Scholes option-pricing model with the following assumptions: expected term of 10 years; volatility of 91.49%; annual dividend per share of $0.00; and risk-free interest rate of 2.88%; and resulted in an estimated fair value of $0.1 million, which was recorded as a liability and resulted in a discount to the credit facilities at issuance. The discount is being amortized on a straight-line basis to interest expense over the term of the Business Financing Agreement.

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Commitments and Contingencies

6 Months Ended

Jun. 30, 2018

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

NOTE 10—COMMITMENTS AND CONTINGENCIES

Leases

The Company leases its 57,000 square foot corporate headquarters and manufacturing facility located at 4 Cromwell, Irvine, California. In March 2015, the corporate headquarters and manufacturing facility lease was amended to extend the term through April 30, 2020, modify provisions for a tenant improvement allowance of up to $0.4 million, and adjust the basic rent terms. Future minimum rental commitments under operating lease agreements with non-cancelable terms greater than one year for the years ending December 31 are listed below. The Company also leases certain office equipment and automobiles under various operating lease arrangements.

In February 2015, the Company entered into a 30-month capital lease agreement for information technology equipment. In February 2018, the Company extended the agreement for information technology equipment for an additional lease term of 18 months. In accordance with relevant accounting guidance, the renewal of this lease constituted a new lease and is classified by the Company as an operating lease.

Future minimum rental commitments under lease agreements, including both operating and capital leases (principle and interest), with non-cancelable terms greater than one year for each of the years ending December 31 are as follows (in thousands):

2018	$	524
2019		899
2020		300
2021		12
Thereafter		—
Total future minimum lease obligations	$	1,735

Employee arrangements and other compensation

Certain members of management are entitled to severance benefits payable upon termination following a change in control, which would approximate $2.1 million, in the aggregate, at June 30, 2018. The Company also has agreements with certain employees to pay bonuses based on targeted performance criteria. As of June 30, 2018, approximately $0.2 million was accrued for performance bonuses, which is included in accrued liabilities in the Consolidated Balance Sheets.

Effective April 10, 2018, Harold C. Flynn, Jr. resigned from the Board and as the Company’s President and Chief Executive Officer. The Company and Mr. Flynn entered into a Separation Agreement, dated as of April 30, 2018 (the “Separation Agreement”). Mr. Flynn is entitled to receive severance in an amount of $365,000, payable through December 28, 2018, along with certain other benefits, including the continued vesting of all of Mr. Flynn’s time-based stock options through April 9, 2020 and an extension of the time to exercise such options through December 31, 2021, subject to immediate vesting upon a change of control, and continued vesting of the time-based RSUs granted to Mr. Flynn on February 6, 2017 through February 6, 2019, subject to immediate vesting upon a change of control. Any unvested stock options following April 9, 2020 will be cancelled and will not vest, and any RSUs that are unvested following February 6, 2019 will be canceled and will not vest. Due to the modification of Mr. Flynn’s equity awards, the Company recognized a net reduction of stock-based compensation expense of approximately $0.3 million, primarily due to the fluctuation in stock prices from the time the awards were granted to when Mr. Flynn resigned and the awards were re-evaluated.

Purchase commitments

The Company generally purchases components and subassemblies for its products from a limited group of third-party suppliers through purchase orders. As of June 30, 2018, the Company had $11.9 million of purchase commitments for which the Company has not received certain goods or services that are expected to be purchased within one year. These purchase commitments were made to secure better pricing and to ensure the Company will have the necessary parts to meet anticipated near-term demand. Although open purchase orders are considered enforceable and legally binding, the Company may be able to cancel, reschedule or adjust requirements prior to supplier fulfillment.

Litigation

The Company discloses material loss contingencies deemed to be reasonably possible and accrues for loss contingencies when, in consultation with its legal advisors, management concludes that a loss is probable and reasonably estimable. The ability to predict the ultimate outcome of such matters involves judgments, estimates, and inherent uncertainties. The actual outcome of such matters could differ materially from management’s estimates.

Intellectual Property Litigation

On April 24, 2012, CAO Group, Inc. (“CAO”) filed a lawsuit against BIOLASE in the District of Utah alleging that BIOLASE’s ezlase dental laser infringes on U.S. Patent No. 7,485,116 (the “116 Patent”). On September 9, 2012, CAO amended its complaint, adding claims for (1) business disparagement/injurious falsehood under common law and (2) unfair competition under 15 U.S.C. Section 1125(a). The additional claims stem from a press release that BIOLASE issued on April 30, 2012, which CAO claims contained false statements that are disparaging to CAO and its diode product. The amended complaint seeks injunctive relief, treble damages, attorneys’ fees, punitive damages, and interest. Until January 24, 2018, this lawsuit was stayed in connection with United States Patent and Trademark Office proceedings relating to the 116 Patent, which proceedings ultimately culminated in a January 27, 2017 decision by the United States Court of Appeals for the Federal Circuit, affirming the findings of the Patent Trial and Appeal Board. On January 25, 2018, CAO moved for leave to file a second amended complaint to add certain claims, which filing the Company did not oppose. The Utah matter has since been transferred to the Central District of California and the two matters have been consolidated with the matter described below.

On January 23, 2018, CAO filed a lawsuit against BIOLASE in the Central District of California alleging that BIOLASE’s diode lasers infringe on U.S. Patent Nos. 8,337,097, 8,834,497, 8,961,040 and 8,967,883. The complaint seeks injunctive relief, treble damages, attorneys’ fees, punitive damages, and interest.

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Segment Information

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Segment Information

NOTE 11—SEGMENT INFORMATION

The Company currently operates in a single business segment. Management uses one measurement of profitability and does not segregate its business for internal reporting. For the three and six months ended June 30, 2018, sales to customers in the United States accounted for approximately 59% and 58% of net revenue, respectively, and international sales accounted for approximately 41% and 42% of net revenue, respectively. For the three and six months ended June 30, 2017, sales to customers in the United States accounted for approximately 65% and 64% of net revenue, respectively, and international sales accounted for approximately 35% and 36% of net revenue, respectively. No individual country, other than the United States, represented more than 10% of total net revenue during the three and six months ended June 30, 2018 or 2017.

Net revenue by geographic location based on the location of customers was as follows (in thousands):  

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
United States	$	7,164	$	8,194	$	12,857	$	15,037
International		4,990		4,418		9,317		8,449
	$	12,154	$	12,612	$	22,174	$	23,486

Property, plant, and equipment by geographic location was as follows (in thousands):

	June 30,		December 31,
	2018		2017
United States	$	2,849	$	3,347
International		315		327
	$	3,164	$	3,674

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Concentrations

6 Months Ended

Jun. 30, 2018

Risks And Uncertainties [Abstract]

Concentrations

NOTE 12—CONCENTRATIONS

Revenue from the Company’s products for the three and six months ended June 30, 2018 and 2017 are as follows (dollars in thousands):

	Three Months Ended								Six Months Ended
	June 30,								June 30,
	2018				2017				2018				2017
Laser systems	$	7,920	65.2	%	$	7,961	63.1	%	$	13,623	61.4	%	$	14,690	62.6	%
Imaging systems		371	3.1	%		954	7.5	%		954	4.3	%		1,580	6.7	%
Consumables and other		2,303	18.9	%		2,051	16.3	%		4,337	19.6	%		3,743	15.9	%
Services		1,557	12.8	%		1,614	12.8	%		3,254	14.7	%		3,409	14.5	%
License fees and royalties		3	0.0	%		32	0.3	%		6	0.0	%		64	0.3	%
Total revenue	$	12,154	100.0	%	$	12,612	100.0	%	$	22,174	100.0	%	$	23,486	100.0	%

No individual customer represented more than 10% of the Company’s revenue for the three and six months ended June 30, 2018 or 2017.

The Company maintains its cash and cash equivalent accounts with established commercial banks. Such cash deposits periodically exceed the Federal Deposit Insurance Corporation insured limit.

No individual customer represented more than 10% of the Company’s accounts receivable at June 30, 2018 or December 31, 2017.

The Company currently purchases certain key components of its products from single suppliers. Although there are a limited number of manufacturers of these key components, management believes that other suppliers could provide similar key components on comparable terms. A change in suppliers, however, could cause delays in manufacturing and a possible loss of sales, which could adversely affect the Company’s business, results of operations and financial condition.

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Income Taxes

6 Months Ended

Jun. 30, 2018

Income Tax Disclosure [Abstract]

Income Taxes

NOTE 13—INCOME TAXES

The Company accounts for income taxes under the asset and liability method, whereby deferred tax assets and liabilities are recognized for the future tax consequences attributable to differences between the financial statement carrying amounts of existing assets and liabilities and their respective tax bases. Deferred tax assets and liabilities are measured using enacted tax rates expected to apply in the years in which those temporary differences are expected to be recovered or settled. The effect on deferred tax assets and liabilities of a change in tax rates is recognized in income in the period that includes the enactment date. Management evaluates the need to establish a valuation allowance for deferred tax assets based upon the amount of existing temporary differences, the period in which they are expected to be recovered, and expected levels of taxable income. A valuation allowance to reduce deferred tax assets is established when it is “more likely than not” that some or all of the deferred tax assets will not be realized. Based on the Company’s net losses in prior years, management has determined that a full valuation allowance against the Company’s net deferred tax assets is appropriate.

Accounting for uncertainty in income taxes prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return and provides guidance on de-recognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition. The Company has elected to classify interest and penalties as a component of its income tax provision. With respect to the liability for unrecognized tax benefits, including related estimates of penalties and interest, the Company did not record a liability for unrecognized tax benefits for the three and six months ended June 30, 2018 and 2017. The Company does not expect any changes to its unrecognized tax benefit for the next 12 months that would materially impact its consolidated financial statements.

During the three and six months ended June 30, 2018, the Company recorded an income tax provision of $10,000 and $42,000, respectively, resulting in an effective tax rate of (10.0)% and 0.8%, respectively. During the three and six months ended June 30, 2017, the Company recorded an income tax provision of $36,000 and $76,000 respectively, resulting in an effective tax rate of 0.9% and 0.9%, respectively. The income tax provisions for the three and six months ended June 30, 2018 and 2017 were calculated using the discrete year-to-date method. The effective tax rate differs from the statutory tax rate of 21% for 2018 and 34% for 2017 primarily due to the existence of valuation allowances against net deferred tax assets and current liabilities resulting from the estimated state income tax liabilities and foreign tax liability.

On December 22, 2017, the U.S. federal government enacted the Tax Cuts and Jobs Act (the “2017 Tax Act”), which enacts a broad range of changes to the Internal Revenue Code of 1986, as amended. Many of the provisions of the 2017 Tax Act take effect for tax years beginning after December 31, 2017, including changes to the U.S. federal corporate tax rate to a flat 21%, significant additional limitations on the deductibility of interest and net operating losses, the allowance for the expensing of certain capital expenditures, and a number of changes impacting operations outside of the United States. The Company’s deferred tax assets and liabilities have been revalued at newly enacted rate in the year of enactment, the impact of which was mostly absorbed by the existing valuation allowance.

The 2017 Tax Act also includes provisions for Global Intangible Low-Taxed Income (“GILTI”) wherein taxes on foreign income are imposed in excess of a deemed return on tangible assets of foreign corporations.  This provision is effective for taxable years beginning after December 31, 2017. Because of the complexity of the new GILTI tax rules, the Company continues to evaluate this provision of the 2017 Tax Act including the associated forecast of GILTI and the application of ASC 740, Income Taxes. Under GAAP, the Company is allowed to make an accounting policy choice of either (1) treating taxes due on future U.S. inclusions in taxable income related to GILTI as a current-period expense when incurred or (2) factoring such amounts into the Company’s measurement of its deferred taxes. The Company’s selection of an accounting policy with respect to the new GILTI tax rules will depend, in part, on analyzing its global income to determine whether the Company expects to have future U.S. inclusions in taxable income related to GILTI and, if so, what the impact is expected to be. Whether the Company expects to have future U.S. inclusions in taxable income related to GILTI depends on not only the Company’s current structure and estimated future results of global operations, but also the Company’s intent and ability to modify its structure.  The Company is not yet able to reasonably estimate the effect of this provision of the 2017 Tax Act. However, due to the Company’s current net operating loss (“NOL”) position and NOL carryforward balance, the Company does not believe this provision will have a material impact on the provision.

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Subsequent Event

6 Months Ended

Jun. 30, 2018

Subsequent Events [Abstract]

Subsequent Event

NOTE 14—SUBSEQUENT EVENT

Effective August 7, 2018, the Company entered into an employment agreement (the “Employment Agreement”) with Todd Norbe to serve as President and Chief Executive Officer of BIOLASE. Under the terms of the Employment Agreement, Mr. Norbe will receive an annual base salary of $400,000. In addition, Mr. Norbe is eligible to receive an annual performance bonus of up to one hundred percent (100.0%) or Mr. Norbe’s base salary, which is determined by the achievement of certain criteria as established by the Compensation Committee of the Board. For the partial 2018 employment year, Mr. Norbe is eligible to receive a performance bonus of up to $170,000 at target performance and up to $210,000 at “outperform” performance, with a minimum non-discretionary performance bonus of $100,000. Mr. Norbe will be awarded (i) 350,000 stock-settled time-based RSUs, which shall vest as to one-fourth of the number of shares of BIOLASE common stock subject to the time-based RSUs, on the one-year anniversary of the Mr. Norbe’s first date of employment, and as to the remaining three-fourths of the number of shares of BIOLASE common stock subject to the time-based RSUs, in four installments on a semi-annual basis commencing on the 18-month anniversary of Mr. Norbe’s first date of employment, subject to continued employment through each such vesting date, and (ii) 300,000 stock settled performance-based RSUs, which shall vest in one-third annual increments, subject to performance criteria established by the Compensation Committee of the Board and continued employment through each such vesting date. The forgoing RSUs are subject to approval by the Company’s stockholders of an increase in the number of shares available under the 2018 Plan.

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Summary of Significant Accounting Policies (Policies)

6 Months Ended

Jun. 30, 2018

Accounting Policies [Abstract]

Basis of Presentation

Basis of Presentation

The unaudited consolidated financial statements include the accounts of BIOLASE and its wholly-owned subsidiaries and have been prepared on a basis consistent with the December 31, 2017 audited consolidated financial statements and include all material adjustments, consisting of normal recurring adjustments and the elimination of all material intercompany transactions and balances, necessary to fairly present the information set forth therein. These unaudited, interim, consolidated financial statements do not include all the footnotes, presentations, and disclosures normally required by accounting principles generally accepted in the United States of America (“GAAP”) for complete consolidated financial statements. Certain amounts have been reclassified to conform to current period presentations.

The consolidated results of operations for the three and six months ended June 30, 2018 are not necessarily indicative of the results for the full year. The accompanying consolidated financial statements should be read in conjunction with the consolidated financial statements and notes thereto for the year ended December 31, 2017, included in BIOLASE’s Annual Report on Form 10-K for the year ended December 31, 2017 filed with the Securities and Exchange Commission (the “SEC”) on March 14, 2018 (the “2017 Form 10-K”).

Liquidity and Management's Plans

Liquidity and Management’s Plans

The Company incurred a loss from operations and a net loss, and used cash in operating activities for the three and six months ended June 30, 2018. The Company’s recurring losses, level of cash used in operations, and potential need for additional capital, along with uncertainties surrounding the Company’s ability to raise additional capital, raise substantial doubt about the Company’s ability to continue as a going concern. The financial statements do not include any adjustments that might be necessary if the Company is unable to continue as a going concern.

On March 6, 2018, BIOLASE and two of its wholly-owned subsidiaries entered into a Business Financing Agreement (the “Business Financing Agreement”) with Western Alliance Bank (“Western Alliance”), which provides for borrowings of up to $6.0 million. The Company had no borrowings outstanding under these lines of credit as of June 30, 2018. See Note 9 – Lines of Credit for additional information.

As of June 30, 2018, the Company had working capital of approximately $14.4 million. The Company’s principal sources of liquidity as of June 30, 2018 consisted of approximately $3.1 million in cash and cash equivalents and restricted cash, $10.4 million of accounts receivable and $3.9 million available under the Business Financing Agreement. 

In order for the Company to continue operations beyond the next 12 months and be able to discharge its liabilities and commitments in the normal course of business, the Company must increase sales of its products directly to end-users and through distributors, establish profitable operations through the combination of increased sales and decreased expenses, generate cash from operations or obtain additional funds when needed. The Company intends to improve its financial condition and ultimately improve its financial results by increasing revenues through expansion of its product offerings, continuing to expand and develop its field sales force and distributor relationships, both domestically and internationally, forming strategic arrangements within the dental and medical industries, educating dental and medical patients as to the benefits of its advanced medical technologies, and reducing expenses.

Additional capital requirements may depend on many factors, including, among other things, continued losses, the rate at which the Company’s business grows, demands for working capital, manufacturing capacity, and any acquisitions that the Company may pursue. From time to time, the Company could be required, or may otherwise attempt, to raise capital, through either equity or debt offerings, or enter into an additional line of credit facility. As discussed in Note 9, on March 6, 2018, BIOLASE entered into the Business Financing Agreement, providing for a secured line of credit. The Company cannot provide assurance that it will be able to successfully consummate any equity or debt financings or enter into any other line of credit facility in the future. The Company also cannot provide assurance that the required capital would be available on acceptable terms, if at all, or that any such financing activity would not be dilutive to the Company’s stockholders.

Reverse Stock Split

Reverse Stock Split

Except as the context otherwise requires, all share numbers and share price amounts (including exercise prices and closing market prices) contained in the unaudited financial statements and notes thereto reflect the reverse stock split effectuated by the Company on May 10, 2018. See Note 4 – Stockholders’ Equity for additional information.

Use of Estimates

Use of Estimates

The preparation of these consolidated financial statements in conformity with GAAP requires the Company to make estimates and assumptions that affect amounts reported in the consolidated financial statements and the accompanying notes. Significant estimates in these consolidated financial statements include allowances on accounts receivable, inventory, and deferred taxes, as well as estimates for accrued warranty expenses, the ability of goodwill to be realized, revenue deferrals, effects of stock-based compensation and warrants, contingent liabilities, and the provision or benefit for income taxes. Due to the inherent uncertainty involved in making estimates, actual results reported in future periods may differ materially from those estimates.

Critical Accounting Policies

Critical Accounting Policies

Information with respect to the Company’s critical accounting policies, which management believes could have the most significant effect on the Company’s reported results and require subjective or complex judgments by management is contained in Item 7, “Management’s Discussion and Analysis of Financial Condition and Results of Operations,” of the 2017 Form 10-K. Management believes that there have been no significant changes during the six months ended June 30, 2018 in the Company’s critical accounting policies from those disclosed in Item 7 of the 2017 Form 10-K.

Fair Value of Financial Instruments

Fair Value of Financial Instruments

Fair value is defined as the price that would be received to sell an asset or paid to transfer a liability in an orderly transaction between market participants in the principal market (or, if none exists, the most advantageous market) for the specific asset or liability at the measurement date (referred to as the “exit price”). The fair value is based on assumptions that market participants would use, including a consideration of nonperformance risk. Under the accounting guidance for fair value hierarchy there are three levels of measurement inputs. Level 1 inputs are quoted prices in active markets for identical assets or liabilities. Level 2 inputs reflect input other than quoted prices included in Level 1 that are observable, either directly or through collaboration with observable market data, other than Level 1. Level 3 inputs are unobservable due to little or no corroborating market data.

The Company’s financial instruments, consisting of cash, cash equivalents and restricted cash, accounts receivable, accounts payable, and accrued liabilities, approximate fair value because of the short maturity of these items.

Recent Accounting Pronouncements

Recent Accounting Pronouncements

Changes to GAAP are established by the Financial Accounting Standards Board (“FASB”) in the form of accounting standards updates (“ASUs”) to the FASB’s Accounting Standards Codification.

The Company considers the applicability and impact of all ASUs. ASUs not listed below were assessed and determined not to be applicable or are expected to have minimal impact on the Company’s consolidated financial position and results of operations.

Adopted Accounting Pronouncements

In May 2014, the FASB issued ASU No. 2014-09, Revenue from Contracts with Customers (“ASU 2014-09”). The core principle of ASU 2014-09 is to recognize revenues when promised goods or services are transferred to customers in an amount that reflects the consideration to which an entity expects to be entitled for those goods or services. The standard is effective for annual periods beginning after December 15, 2017, and interim periods therein.

ASU 2014-09 supersedes existing guidance on revenue recognition with a five-step model for recognizing and measuring revenue from contracts with customers. The objective of the new standard is to provide a single, comprehensive revenue recognition model for all contracts with customers to improve comparability within industries, across industries, and across capital markets. The underlying principle is that an entity will recognize revenue to depict the transfer of goods or services to customers at an amount that the entity expects to be entitled to in exchange for those goods or services. The guidance also requires a number of disclosures regarding the nature, amount, timing, and uncertainty of revenue and the related cash flows. The guidance can be applied retrospectively to each prior reporting period presented (full retrospective method) or retrospectively with a cumulative effect adjustment to retained earnings for initial application of the guidance at the date of initial adoption (modified retrospective method). The Company adopted the new standard effective January 1, 2018 using the modified retrospective method applied to those contracts that were not completed or substantially completed as of January 1, 2018. The timing and measurement of revenue recognition under the new standard is not materially different than under the old standard. The adoption of the new standard did not have an impact on the Company’s consolidated financial statements.

In August 2016, the FASB issued ASU 2016-15, Statement of Cash Flows (Topic 230) (“ASU 2016-15”). The updated standard addresses eight specific cash flow issues with the objective of reducing diversity in practice. ASU 2016-15 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. Early adoption is permitted.  The Company adopted ASU 2016-15 as of January 1, 2018. The adoption of ASU 2016-15 did not have an impact on the Company’s consolidated financial statements.

In November 2016, the FASB issued ASU 2016-18, Statement of Cash Flows (Topic 230) (“ASU 2016-18”). The updated standard requires that a statement of cash flows explain the change during the period in the total of cash, cash equivalents, and amounts generally described as restricted cash or restricted cash equivalents. Therefore, amounts generally described as restricted cash and restricted cash equivalents should be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period total amounts shown on the statement of cash flows. ASU 2016-18 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. The Company adopted ASU 2016-18 as of January 1, 2018. The adoption of ASU 2016-18 did not have a material effect on the Company’s consolidated financial statements.

In May 2017, the FASB issued ASU 2017-09, Compensation – Stock Compensation (Topic 718) (“ASU 2017-09”). The updated standard clarifies when an entity must apply modification accounting to changes in the terms or conditions of a share-based payment award. ASU 2017-09 is effective for public business entities for annual reporting periods beginning after December 15, 2017, including interim periods within those annual reporting periods. Early adoption is permitted.  The Company adopted ASU 2017-09 as of January 1, 2018. The adoption of ASU 2017-09 did not have a material effect on the Company’s consolidated financial statements.

Recently Issued Accounting Standards

In February 2016, FASB issued ASU 2016-02, Leases (“ASU 2016-02”). The new standard establishes a right-of-use (“ROU”) model that requires a lessee to record a ROU asset and a lease liability on the balance sheet for all leases with terms longer than 12 months. Leases will be classified as either finance or operating, with classification affecting the pattern of expense recognition in the income statement. The new standard is effective for fiscal years beginning after December 15, 2018, including interim periods within those fiscal years. A modified retrospective transition approach is required for lessees for capital and operating leases existing at, or entered into after, the beginning of the earliest comparative period presented in the financial statements, with certain practical expedients available. The Company is currently evaluating the impact of its pending adoption of ASU 2016-02 on its consolidated financial statements.

In July 2017, FASB issued ASU 2017-11 (Part I) Accounting for Certain Financial Instruments with Down Round Features, (Part II) Replacement of the Indefinite Deferral for Mandatorily Redeemable Financial Instruments of Certain Nonpublic Entities and Certain Mandatorily Redeemable Noncontrolling Interests with a Scope Exception (“ASU 2017-11”). The new standard simplifies the accounting for certain financial instruments with down round features. Part I of ASU 2017-11 changes the classification analysis of certain equity-linked financial instruments, such as warrants and embedded conversion features, such that a down round feature is disregarded when assessing whether the instrument is indexed to an entity’s own stock under Subtopic 815-40, Contracts in Entity’s Own Equity. As a result, a down round feature, by itself, no longer requires an instrument to be remeasured at fair value through earnings each period, although all other aspects of the indexation guidance under Subtopic 815-40 continue to apply. Part II of ASU 2017-11 recharacterizes the indefinite deferral of certain provisions of Topic 480, Distinguishing Liabilities from Equity, (currently presented as pending content in the Codification) as a scope exception. No change in the Company’s practice is expected as a result of these amendments. The new standard is effective for fiscal years beginning after December 15, 2018, Early adoption is permitted. The amendments in Part II have no accounting impact and therefore do not have an associated effective date. The Company is currently evaluating the impact of its pending adoption of ASU 2017-11 on its consolidated financial statements.

Income Tax Uncertainties

Accounting for uncertainty in income taxes prescribes a recognition threshold and measurement attribute for the financial statement recognition and measurement of a tax position taken or expected to be taken in a tax return and provides guidance on de-recognition, classification, interest and penalties, accounting in interim periods, disclosure, and transition. The Company has elected to classify interest and penalties as a component of its income tax provision. With respect to the liability for unrecognized tax benefits, including related estimates of penalties and interest, the Company did not record a liability for unrecognized tax benefits for the three and six months ended June 30, 2018 and 2017. The Company does not expect any changes to its unrecognized tax benefit for the next 12 months that would materially impact its consolidated financial statements.

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Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2018

Revenue Recognition [Abstract]

Summary of Opening and Closing Balances of Contract Liabilities

The Company performs its obligations under a contract with a customer by transferring products and/or services in exchange for consideration from the customer. The Company typically invoices its customers as soon as control of an asset is transferred and a receivable for the Company is established. The Company, however, recognizes a contract liability when a customer prepays for goods and/or services and the Company has not transferred control of the goods and/or services. The opening and closing balances of the Company’s contract liabilities are as follows (in thousands):

	June 30,		December 31,
	2018		2017
Undelivered elements (training and product and support     services; installation for 2017)	$	624	$	980
Extended warranty contracts		1,577		1,634
Deferred royalties		17		22
Total deferred revenue		2,218		2,636
Less long-term amounts:
Deferred royalties		6		11
Total deferred revenue - long-term		6		11
Total deferred revenue - current	$	2,212	$	2,625

Summary of Disaggregation of Revenues Related to Geographic Areas

The Company’s revenues related to the following geographic areas were as follows for the periods indicated (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
United States	$	7,164	$	8,194	$	12,857	$	15,037
International		4,990		4,418		9,317		8,449
	$	12,154	$	12,612	$	22,174	$	23,486

Summary of Revenues Disaggregated by Timing of Goods and Services Transferred

Information regarding revenues disaggregated by the timing of when goods and services are transferred is as follows (in thousands):

	Three Months Ended	Six Months Ended
	June 30, 2018	June 30, 2018
Revenue recognized over time	$                             1,557	$                                 3,254
Revenue recognized at a point in time	10,597	18,920
Total	$                            12,154	$                                22,174

Summary of Sales by End Market

The Company’s sales by end market were as follows for the periods indicated (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
End-customer	$	7,675	$	8,651	$	13,712	$	15,796
Distributors		4,479		3,961		8,462		7,690
	$	12,154	$	12,612	$	22,174	$	23,486

Summary of Percentages of Sales by Product line

The percentages of the Company’s sales by product line were as follows for the periods indicated:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Waterlase (laser systems)		42.9	%		42.4	%		39.2	%		41.3	%
Diodes (laser systems)		22.3	%		20.7	%		22.2	%		21.3	%
Imaging systems		3.1	%		7.5	%		4.3	%		6.7	%
Consumables and other		18.9	%		16.3	%		19.6	%		15.9	%
Services		12.8	%		12.8	%		14.7	%		14.5	%
License fees and royalties		—	%		0.3	%		—	%		0.3	%
		100.0	%		100.0	%		100.0	%		100.0	%

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Stockholders' Equity (Tables)

6 Months Ended

Jun. 30, 2018

Equity [Abstract]

Summary of Income Statement Classification of Compensation Expense

The following table summarizes the income statement classification of compensation expense associated with share-based payments (in thousands):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Cost of revenue	$	105	$	67	$	162	$	107
Sales and marketing		154		93		234		166
General and administrative		207		506		674		699
Engineering and development		91		95		188		168
	$	557	$	761	$	1,258	$	1,140

Assumptions on Estimation of Stock Option Fair Values

The stock option fair values were estimated using the Black-Scholes option-pricing model with the following assumptions:

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Expected term	5.7 years			5.4 years			5.9 years			5.6 years
Volatility		81.2	%		77.6	%		81.4	%		78.5	%
Annual dividend per share	$	—		$	—		$	—		$	—
Risk-free interest rate		2.71	%		1.98	%		2.46	%		1.98	%

Summary of Option Activity

A summary of option activity for the six months ended June 30, 2018 is as follows (in thousands, except per share data):

						Weighted Average
				Weighted		Remaining		Aggregate
				Average		Contractual		Intrinsic
	Shares			Exercise Price		Term (Years)		Value(1)
Options outstanding, December 31, 2017		1,924		$	8.62		7.21	$	—
Granted at fair market value		402			2.09
Exercised		(1	)		2.10
Forfeited, cancelled, or expired		(322	)		11.12
Options outstanding at June 30, 2018		2,003		$	6.91		6.14	$	—
Options exercisable at June 30, 2018		1,095		$	8.75		4.97	$	—
Vested options expired during the quarter    ended June 30, 2018		191		$	14.29

(1) The intrinsic value calculation does not include negative values. This can occur when the fair market value on the reporting date is less than the exercise price of the grant.

Summary of Unvested Stock Option Activity

A summary of unvested stock option activity for the six months ended June 30, 2018 is as follows (in thousands, except per share data):

				Weighted
				Average Grant
	Shares			Date Fair Value
Unvested options at December 31, 2017		846		$	3.14
Granted		402		$	1.46
Vested		(240	)	$	3.59
Forfeited or cancelled		(99	)	$	2.55
Unvested options at June 30, 2018		909		$	2.34

Cash Proceeds, Along With Fair Value Disclosures Related to Grants, Exercises, and Vesting Options

Cash proceeds, along with fair value disclosures related to grants, exercises, and vested options are as follows (in thousands, except per share amounts):

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Proceeds from stock options exercised	$	—	$	3	$	2	$	3
Tax benefit related to stock options    exercised (1)	N/A		N/A		N/A		N/A
Intrinsic value of stock options exercised (2)	$	—	$	1	$	—	$	1
Weighted-average fair value of options granted    during period	$	1.27	$	3.94	$	1.46	$	4.60
Total fair value of shares vested during    the period	$	843	$	364	$	245	$	698

(1) Excess tax benefits received related to stock option exercises are presented as financing cash inflows. The Company currently does not receive a tax benefit related to the exercise of stock options due to the Company’s net operating losses.

(2) The intrinsic value of stock options exercised is the amount by which the market price of the stock on the date of exercise exceeded the market price of the stock on the date of grant.

Summary of Unvested Restricted Stock Units

A summary of unvested RSU activity for the six months ended June 30, 2018 is as follows (in thousands, except per share amounts):

				Weighted
				Average Grant
	Shares			Date Fair Value
Unvested restricted stock units at December 31, 2017		358		$	4.84
Granted		2,456		$	1.44
Vested		(212	)	$	2.38
Forfeited or cancelled		(208	)	$	4.48
Unvested restricted stock units at June 30, 2018		2,394		$	1.51

Summary of Warrant Activity

The Company issues warrants to acquire shares of BIOLASE common stock as approved by the Board. A summary of warrant activity for the six months ended June 30, 2018 is as follows (in thousands, except exercise price amounts):

			Weighted
			Average
	Shares		Exercise Price
Warrants outstanding, December 31, 2017		1,225	$	9.63
Granted or Issued		52	$	2.35
Exercised		—	$	—
Forfeited, cancelled, or expired			$	—
Warrants outstanding at June 30, 2018		1,277	$	9.33
Warrants exercisable at June 30, 2018		1,250	$	9.10
Vested warrants expired during the quarter    ended June 30, 2018		—	$	—

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Inventory (Tables)

6 Months Ended

Jun. 30, 2018

Inventory Disclosure [Abstract]

Components of Inventory

Inventory is valued at the lower of cost or net realizable value and is comprised of the following (in thousands):

	June 30,		December 31,
	2018		2017
Raw materials	$	4,301	$	3,953
Work-in-process		1,776		1,162
Finished goods		7,931		7,183
Inventory, net	$	14,008	$	12,298

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Property, Plant, and Equipment (Tables)

6 Months Ended

Jun. 30, 2018

Property Plant And Equipment [Abstract]

Summary of Property, Plant, and Equipment

Property, plant, and equipment, net is comprised of the following (in thousands):

	June 30,			December 31,
	2018			2017
Building	$	217		$	220
Leasehold improvements		2,005			2,005
Equipment and computers		6,884			6,883
Furniture and fixtures		634			634
Construction in progress		1,190			1,182
		10,930			10,924
Accumulated depreciation and amortization		(7,935	)		(7,426	)
		2,995			3,498
Land		169			176
Property, plant, and equipment, net	$	3,164		$	3,674

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Accrued Liabilities (Tables)

6 Months Ended

Jun. 30, 2018

Payables And Accruals [Abstract]

Components of Accrued Liabilities

Accrued liabilities are comprised of the following (in thousands):

	June 30,		December 31,
	2018		2017
Payroll and benefits	$	2,301	$	2,115
Warranty accrual, current portion		1,138		1,120
Taxes		487		544
Accrued professional services		1,041		584
Accrued insurance premium		59		870
Other		549		376
Total accrued liabilities	$	5,575	$	5,609

Changes in Initial Product Warranty Accrual and Expenses Under Initial and Extended Warranties

Changes in the initial product warranty accrual and the expenses incurred under the Company’s initial and extended warranties for the three and six months ended June 30, 2018 and 2017 are included within accrued liabilities on the Consolidated Balance Sheets and were as follows (in thousands):

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Initial warranty accrual, beginning balance	$	1,214		$	1,460		$	1,190		$	1,706
Provision for estimated warranty cost		378			25			624			2
Warranty expenditures		(233	)		(200	)		(455	)		(423	)
		1,359			1,285			1,359			1,285
Less warranty accrual, long-term		221			296			221			296
Total warranty accrual, current portion	$	1,138		$	989		$	1,138		$	989

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Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2018

Commitments And Contingencies Disclosure [Abstract]

Future minimum rental commitments under non-cancelable Operating and Capital Leases

Future minimum rental commitments under lease agreements, including both operating and capital leases (principle and interest), with non-cancelable terms greater than one year for each of the years ending December 31 are as follows (in thousands):

2018	$	524
2019		899
2020		300
2021		12
Thereafter		—
Total future minimum lease obligations	$	1,735

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Segment Information (Tables)

6 Months Ended

Jun. 30, 2018

Segment Reporting [Abstract]

Summary of Net Revenue by Geographic Location

Net revenue by geographic location based on the location of customers was as follows (in thousands):  

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
United States	$	7,164	$	8,194	$	12,857	$	15,037
International		4,990		4,418		9,317		8,449
	$	12,154	$	12,612	$	22,174	$	23,486

Summary of Property, Plant and Equipment by Geographic Location

Property, plant, and equipment by geographic location was as follows (in thousands):

	June 30,		December 31,
	2018		2017
United States	$	2,849	$	3,347
International		315		327
	$	3,164	$	3,674

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Concentrations (Tables)

6 Months Ended

Jun. 30, 2018

Risks And Uncertainties [Abstract]

Summary of Net Revenue from Various Products

Revenue from the Company’s products for the three and six months ended June 30, 2018 and 2017 are as follows (dollars in thousands):

	Three Months Ended								Six Months Ended
	June 30,								June 30,
	2018				2017				2018				2017
Laser systems	$	7,920	65.2	%	$	7,961	63.1	%	$	13,623	61.4	%	$	14,690	62.6	%
Imaging systems		371	3.1	%		954	7.5	%		954	4.3	%		1,580	6.7	%
Consumables and other		2,303	18.9	%		2,051	16.3	%		4,337	19.6	%		3,743	15.9	%
Services		1,557	12.8	%		1,614	12.8	%		3,254	14.7	%		3,409	14.5	%
License fees and royalties		3	0.0	%		32	0.3	%		6	0.0	%		64	0.3	%
Total revenue	$	12,154	100.0	%	$	12,612	100.0	%	$	22,174	100.0	%	$	23,486	100.0	%

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Description of Business and Basis of Presentation - Additional Information (Detail) - USD ($)	Jun. 30, 2018	Mar. 06, 2018	Dec. 31, 2017	Jun. 30, 2017	Dec. 31, 2016
Description Of Business And Basis Of Presentation [Line Items]
Working capital	$ 14,400,000
Cash and cash equivalents, including restricted cash	3,146,000		$ 11,896,000	$ 8,167,000	$ 9,175,000
Accounts receivable	10,399,000		$ 10,124,000
Business Financing Agreement
Description Of Business And Basis Of Presentation [Line Items]
Line of credit facility, maximum borrowing capacity		$ 6,000,000
Total amount available	3,900,000
Western Alliance | Business Financing Agreement
Description Of Business And Basis Of Presentation [Line Items]
Line of credit, outstanding borrowings	$ 0

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Revenue Recognition - Additional Information (Detail) - USD ($)	3 Months Ended	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2018
Disaggregation Of Revenue [Line Items]
Revenue from products and services transferred to customers, percentage	87.00%	85.00%
Revenue from services transferred to customers over time, percentage	13.00%	15.00%
Revenue recognized from contract liability		$ 600,000
Extended warranties recognized		700,000
Deferred royalties recognized		$ 6,000
Maximum
Disaggregation Of Revenue [Line Items]
Amortization period to expense incremental costs		1 year

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Summary of Opening and Closing Balances of Contract Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Revenue Recognition [Abstract]
Undelivered elements (training and product and support services; installation for 2017)	$ 624	$ 980
Extended warranty contracts	1,577	1,634
Deferred royalties	17	22
Total deferred revenue	2,218	2,636
Less long-term amounts:
Deferred royalties	6	11
Total deferred revenue - long-term	6	11
Total deferred revenue - current	$ 2,212	$ 2,625

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Summary of Disaggregation of Revenues Related to Geographic Areas (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation Of Revenue [Line Items]
Revenue	$ 12,154	$ 12,612	$ 22,174	$ 23,486
United States
Disaggregation Of Revenue [Line Items]
Revenue	7,164	8,194	12,857	15,037
International
Disaggregation Of Revenue [Line Items]
Revenue	$ 4,990	$ 4,418	$ 9,317	$ 8,449

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Summary of Revenues Disaggregated by Timing of Goods and Services Transferred (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation Of Revenue [Line Items]
Net revenue	$ 12,154	$ 12,612	$ 22,174	$ 23,486
Revenue Recognized Over Time
Disaggregation Of Revenue [Line Items]
Net revenue	1,557		3,254
Revenue Recognized at a Point in Time
Disaggregation Of Revenue [Line Items]
Net revenue	$ 10,597		$ 18,920

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Summary of Sales by End Market (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation Of Revenue [Line Items]
Revenue	$ 12,154	$ 12,612	$ 22,174	$ 23,486
End-customer
Disaggregation Of Revenue [Line Items]
Revenue	7,675	8,651	13,712	15,796
Distributors
Disaggregation Of Revenue [Line Items]
Revenue	$ 4,479	$ 3,961	$ 8,462	$ 7,690

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Summary of Percentages of Sales by Product line (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disaggregation Of Revenue [Line Items]
Percentage of sales	100.00%	100.00%	100.00%	100.00%
Waterlase (laser systems)
Disaggregation Of Revenue [Line Items]
Percentage of sales	42.90%	42.40%	39.20%	41.30%
Diodes (laser systems)
Disaggregation Of Revenue [Line Items]
Percentage of sales	22.30%	20.70%	22.20%	21.30%
Imaging systems
Disaggregation Of Revenue [Line Items]
Percentage of sales	3.10%	7.50%	4.30%	6.70%
Consumables and Other
Disaggregation Of Revenue [Line Items]
Percentage of sales	18.90%	16.30%	19.60%	15.90%
Services
Disaggregation Of Revenue [Line Items]
Percentage of sales	12.80%	12.80%	14.70%	14.50%
License fees and royalties
Disaggregation Of Revenue [Line Items]
Percentage of sales		0.30%		0.30%

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Stockholders' Equity - Additional Information (Detail)								3 Months Ended		6 Months Ended
	Jun. 15, 2018 $ / shares shares	May 14, 2018 $ / shares shares	May 10, 2018 shares	May 09, 2018 shares	Mar. 01, 2018 shares	Jan. 26, 2018 $ / shares shares	Jan. 25, 2018 $ / shares shares	Jun. 30, 2018 USD ($) $ / shares shares	Jun. 30, 2017 USD ($) $ / shares shares	Jun. 30, 2018 USD ($) $ / shares shares	Jun. 30, 2017 USD ($) $ / shares shares	Mar. 06, 2018 USD ($) $ / shares	Dec. 31, 2017 shares
Stockholders Equity [Line Items]
Reverse stock split ratio			0.2
Description of reverse stock split										At BIOLASE’s annual meeting of stockholders on May 9, 2018 (the “Annual Meeting”), BIOLASE stockholders approved an amendment to BIOLASE’s Restated Certificate of Incorporation, as amended, to effect a reverse stock split of BIOLASE common stock, at a ratio ranging from one-for-five (1:5) to one-for-fifteen (1:15), with the final ratio to be determined by the BIOLASE board of directors (the “Board”). Immediately after the Annual Meeting, the Board approved a one-for-five (1:5) reverse stock split of the outstanding shares of BIOLASE common stock (the “Reverse Stock Split”). On May 10, 2018, the Company filed an amendment (the “Amendment”) to its Restated Certificate of Incorporation, as amended, with the Secretary of State of the State of Delaware to effect the Reverse Stock Split, effective as of 11:59 p.m. on May 10, 2018. The Amendment also reduced the authorized shares of common stock from 200,000,000 shares to 40,000,000 shares.
Common stock, shares authorized			40,000,000	200,000,000				40,000,000		40,000,000			40,000,000
Compensation expense related to stock options | $								$ 600,000	$ 800,000	$ 1,300,000	$ 1,100,000
Net impact of stock-based compensation expense to earnings per basic share | $ / shares								$ (0.03)	$ (0.06)	$ (0.06)	$ (0.08)
Net impact of stock-based compensation expense to earnings per diluted share | $ / shares								$ (0.03)	$ (0.06)	$ (0.06)	$ (0.08)
Total unrecognized compensation expense | $								$ 3,600,000		$ 3,600,000
Unrecognized share based compensation expense to be recognized over weighted-average period										2 years
Reversal of share based compensation expense | $										$ 100,000	$ 500,000
Outstanding stock options, RSUs and warrants excluded from diluted loss per share								5,100,000	5,400,000	5,100,000	5,400,000
Western Alliance Warrant
Stockholders Equity [Line Items]
Initial exercise price of warrants | $ / shares												$ 2.35
Stock Options
Stockholders Equity [Line Items]
Number of shares subject to awards granted										402,000
Stock Options | Employees
Stockholders Equity [Line Items]
Stock options granted							360,000
Awards valued per share | $ / shares							$ 2.11
Options expiration period							10 years
Options vesting description										The options vest ratably over the 36-month period, commencing on February 25, 2018.
Share-based Compensation Arrangement by Share-based Payment Award, Monthly Ratable Award Vesting Period							36 months
Share Based Compensation Arrangement By Share Based Payment Award, Vesting Commencement Date							Feb. 25, 2018
Restricted Stock Units (RSUs)
Stockholders Equity [Line Items]
Granted										2,456,000
Restricted Stock Units (RSUs) | Employees
Stockholders Equity [Line Items]
Awards valued per share | $ / shares		$ 1.45
Options vesting description										These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and were fully vested on the grant date.
Granted		10,127
Restricted Stock Units (RSUs) | Board Members
Stockholders Equity [Line Items]
Awards valued per share | $ / shares		$ 1.45
Options vesting description										398,275 shares to certain Board members of the Company. These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and fully vest on the first anniversary of the grant date
Granted		398,275
Restricted Stock Units (RSUs) | New Board Members
Stockholders Equity [Line Items]
Awards valued per share | $ / shares	$ 1.25
Options vesting description										These awards were valued at $1.25 per share, the closing price of BIOLASE common stock on the grant date, and vest fully on May 9, 2019.
Granted	155,000
Award vesting date	May 09, 2019
2002 Stock Incentive Plan
Stockholders Equity [Line Items]
Common stock authorized for issuance								3,100,000		3,100,000
Common stock issued pursuant to options exercised										900,000
Options and restricted stock units outstanding								1,900,000		1,900,000
2002 Stock Incentive Plan | Restricted Stock Units (RSUs) | President And Chief Executive Officer
Stockholders Equity [Line Items]
Awards valued per share | $ / shares						$ 2.00
Granted						40,000
2018 Long-Term Incentive Plan
Stockholders Equity [Line Items]
Common stock authorized for issuance				2,120,547				2,035,287		2,035,287
Options and restricted stock units outstanding								1,600,000		1,600,000
Number of shares subject to awards granted					85,260
Options available for future grants								400,000		400,000
2018 Long-Term Incentive Plan | Restricted Stock Units (RSUs) | Board Members, Employees and Consultants
Stockholders Equity [Line Items]
Awards valued per share | $ / shares		$ 1.45
Options vesting description										These awards were valued at $1.45 per share, the closing price of BIOLASE common stock on the grant date, and vest 40% on December 31, 2018 and 60% on December 31, 2019, subject to continued service through the applicable vesting date.
Granted		1,193,850
2018 Long-Term Incentive Plan | Restricted Stock Units (RSUs) | Board Members, Employees and Consultants | Vest on December 31, 2018
Stockholders Equity [Line Items]
Vesting percentage		40.00%
Award vesting date		Dec. 31, 2018
2018 Long-Term Incentive Plan | Restricted Stock Units (RSUs) | Board Members, Employees and Consultants | Vest on December 31, 2019
Stockholders Equity [Line Items]
Vesting percentage		60.00%
Award vesting date		Dec. 31, 2019
Minimum [Member]
Stockholders Equity [Line Items]
Reverse stock split ratio				0.2
Maximum
Stockholders Equity [Line Items]
Reverse stock split ratio				0.067
Maximum | Western Alliance Warrant
Stockholders Equity [Line Items]
Warrants issued to purchase shares of common stock equal value | $												$ 120,000

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Classification of Compensation Expense Associated with Share-Based Payments (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 557	$ 761	$ 1,258	$ 1,140
Cost Of Revenue
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Allocated Share-based Compensation Expense	105	67	162	107
Sales and Marketing
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Allocated Share-based Compensation Expense	154	93	234	166
General and Administrative
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Allocated Share-based Compensation Expense	207	506	674	699
Engineering And Development
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Allocated Share-based Compensation Expense	$ 91	$ 95	$ 188	$ 168

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Assumptions Used in Estimating Fair Value of Stock Options Granted (Detail)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions And Methodology [Abstract]
Expected term	5 years 8 months 12 days	5 years 4 months 24 days	5 years 10 months 24 days	5 years 7 months 6 days
Volatility	81.20%	77.60%	81.40%	78.50%
Risk-free interest rate	2.71%	1.98%	2.46%	1.98%

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Summary of Option Activity (Detail) - $ / shares shares in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 31, 2017
Shares
Beginning Balance	1,924
Granted at fair market value	402
Exercised	(1)
Forfeited, cancelled, or expired	(322)
Ending Balance	2,003	1,924
Options exercisable at June 30, 2018	1,095
Vested options expired during the quarter ended June 30, 2018	191
Weighted Average Exercise Price
Beginning Balance	$ 8.62
Granted at fair market value	2.09
Exercised	2.10
Forfeited, cancelled, or expired	11.12
Ending Balance	6.91	$ 8.62
Options exercisable at June 30, 2018	8.75
Vested options expired during the quarter ended June 30, 2018	$ 14.29
Weighted Average Remaining Contractual Term (Years)
Options outstanding	6 years 1 month 20 days	7 years 2 months 15 days
Options exercisable	4 years 11 months 19 days

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Summary of Unvested Stock Option Activity (Detail) - $ / shares shares in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Weighted Average Grant Date Fair Value
Granted	$ 1.27	$ 3.94	$ 1.46	$ 4.60
Stock Options
Shares
Beginning Balance			846
Granted			402
Vested			(240)
Forfeited or cancelled			(99)
Ending Balance	909		909
Weighted Average Grant Date Fair Value
Beginning Balance			$ 3.14
Granted			1.46
Vested			3.59
Forfeited or cancelled			2.55
Ending Balance	$ 2.34		$ 2.34

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Cash Proceeds Along with Fair Value Disclosures Related to Grants, Exercises, and Vested Options (Detail) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Proceeds from stock options exercised			$ 3	$ 2	$ 3
Intrinsic value of stock options exercised	[1]		$ 1		$ 1
Weighted-average fair value of options granted during period		$ 1.27	$ 3.94	$ 1.46	$ 4.60
Total fair value of shares vested during the period		$ 843	$ 364	$ 245	$ 698

[1] The intrinsic value of stock options exercised is the amount by which the market price of the stock on the date of exercise exceeded the market price of the stock on the date of grant.

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Summary of Unvested Restricted Stock Units (Detail) - Restricted Stock Units (RSUs) shares in Thousands	6 Months Ended
	Jun. 30, 2018 $ / shares shares
Shares
Beginning Balance | shares	358
Granted | shares	2,456
Vested | shares	(212)
Forfeited or cancelled | shares	(208)
Ending Balance | shares	2,394
Weighted Average Grant Date Fair Value
Beginning Balance | $ / shares	$ 4.84
Granted | $ / shares	1.44
Vested | $ / shares	2.38
Forfeited or cancelled | $ / shares	4.48
Ending Balance | $ / shares	$ 1.51

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Summary of Warrant Activity (Detail) - Warrants shares in Thousands	6 Months Ended
	Jun. 30, 2018 $ / shares shares
Shares
Beginning Balance | shares	1,225
Granted or Issued | shares	52
Ending Balance | shares	1,277
Warrants exercisable at June 30, 2018 | shares	1,250
Weighted Average Exercise Price
Beginning Balance | $ / shares	$ 9.63
Granted or Issued | $ / shares	2.35
Ending Balance | $ / shares	9.33
Warrants exercisable at June 30, 2018 | $ / shares	$ 9.10

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Components of Inventory (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Components of inventory, net of allowances
Raw materials	$ 4,301	$ 3,953
Work-in-process	1,776	1,162
Finished goods	7,931	7,183
Inventory, net	$ 14,008	$ 12,298

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Inventory - Additional Information (Detail) - USD ($) $ in Millions	Jun. 30, 2018	Dec. 31, 2017
Inventory Disclosure [Abstract]
Provision for excess and obsolete inventory	$ 1.8	$ 1.9

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Summary of Property, Plant, and Equipment (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Property Plant And Equipment [Line Items]
Property, plant, and equipment gross, excluding land	$ 10,930	$ 10,924
Accumulated depreciation and amortization	(7,935)	(7,426)
Property, plant, and equipment net, excluding land	2,995	3,498
Land	169	176
Property, plant, and equipment, net	3,164	3,674
Building
Property Plant And Equipment [Line Items]
Property, plant, and equipment gross, excluding land	217	220
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property, plant, and equipment gross, excluding land	2,005	2,005
Equipment and Computers
Property Plant And Equipment [Line Items]
Property, plant, and equipment gross, excluding land	6,884	6,883
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property, plant, and equipment gross, excluding land	634	634
Construction in Progress
Property Plant And Equipment [Line Items]
Property, plant, and equipment gross, excluding land	$ 1,190	$ 1,182

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Property, Plant, and Equipment - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Property Plant And Equipment [Abstract]
Depreciation and amortization expenses	$ 0.2	$ 0.3	$ 0.5	$ 0.6

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Intangible Assets and Goodwill - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Goodwill And Intangible Assets Disclosure [Abstract]
Intangible assets and goodwill impairment			$ 0
Amortization expense	$ 0	$ 0	0	$ 0
Goodwill	$ 2,926,000		$ 2,926,000		$ 2,926,000

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Components of Accrued Liabilities (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017	Jun. 30, 2017
Components of accrued liabilities
Payroll and benefits	$ 2,301	$ 2,115
Warranty accrual, current portion	1,138	1,120	$ 989
Taxes	487	544
Accrued professional services	1,041	584
Accrued insurance premium	59	870
Other	549	376
Total accrued liabilities	$ 5,575	$ 5,609

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Changes in Initial Product Warranty Accrual and Expenses Under Initial and Extended Warranties (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Movement in Standard Product Warranty Accrual
Initial warranty accrual, beginning balance	$ 1,214	$ 1,460	$ 1,190	$ 1,706
Provision for estimated warranty cost	378	25	624	2
Warranty expenditures	(233)	(200)	(455)	(423)
Initial warranty accrual, ending balance	1,359	1,285	1,359	1,285
Less warranty accrual, long-term	221	296	221	296	$ 70
Total warranty accrual, current portion	$ 1,138	$ 989	$ 1,138	$ 989	$ 1,120

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Accrued Liabilities - Additional Information (Detail) - Maximum	6 Months Ended
	Jun. 30, 2018
Waterlase Laser Systems
Accrued Liabilities [Line Items]
Product warrant period	16 months
Diode Systems
Accrued Liabilities [Line Items]
Product warrant period	28 months

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Lines of Credit - Additional Information (Detail) - USD ($)				6 Months Ended
	Aug. 13, 2018	Jun. 30, 2018	Mar. 06, 2018	Jun. 30, 2018
Western Alliance Warrant
Line Of Credit Facility [Line Items]
Warrants expiration period			10 years
Warrants fair value assumptions, expected volatility rate			91.49%
Warrants fair value assumptions annual dividend per share			$ 0.00
Warrants fair value assumptions, risk-free interest rate			2.88%
Warrants, estimated fair value			$ 100,000
Domestic Revolving Credit Facility
Line Of Credit Facility [Line Items]
Line of credit, outstanding borrowings		$ 0		$ 0
Restricted cash balances		$ 0		0
Line of credit facility, interest rate		6.50%
Export Revolving Credit Facility
Line Of Credit Facility [Line Items]
Line of credit, outstanding borrowings		$ 0		0
Restricted cash balances		$ 0		0
Line of credit facility, interest rate		6.50%
Business Financing Agreement
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity			$ 6,000,000
Line of credit facility expiration date			Mar. 06, 2020
Total amount available		$ 3,900,000		$ 3,900,000
Line of credit facility, interest rate description				Amounts outstanding under the Business Financing Agreement bear interest at a per annum floating rate equal to the greater of 4.5% or the “Prime Rate” published in the Money Rates section of the Western Edition of The Wall Street Journal (or such other rate of interest publicly announced from time to time by Western Alliance as its “Prime Rate”), plus 1.5% with respect to advances made under the line of credit, plus an additional 5.0% during any period that an event of default has occurred and is continuing.
Line of credit facility, commitment fee amount			$ 67,500
Line of credit facility, commitment fee description				the Company paid the first of two annual commitment fees totaling $67,500, being 0.25% of the aggregate $6.0 million commitment for the Domestic Revolver and 1.75% of the aggregate $3.0 million commitment for the EXIM Revolver. The commitment fees and the legal costs associated with acquiring the credit facilities were capitalized and are being amortized on a straight-line basis as interest expense over the term of the Business Financing Agreement.
Business Financing Agreement | Western Alliance
Line Of Credit Facility [Line Items]
Line of credit, outstanding borrowings		$ 0		$ 0
Business Financing Agreement | Domestic Revolving Credit Facility
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity			$ 6,000,000
Maximum borrowing base percentage of eligible accounts receivable			75.00%
Line of credit facility commitment fee percentage			0.25%
Line of credit facility, commitment fee amount			$ 6,000,000
Business Financing Agreement | Export Revolving Credit Facility
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity			$ 3,000,000
Maximum borrowing base percentage of eligible accounts receivable			85.00%
Line of credit facility commitment fee percentage			1.75%
Line of credit facility, commitment fee amount			$ 3,000,000
Business Financing Agreement | Line of Credit
Line Of Credit Facility [Line Items]
Variable interest Rate with respect to advances made			1.50%
Line of credit facility interest rate during period in event of default			5.00%
Business Financing Agreement | Line of Credit | Minimum [Member]
Line Of Credit Facility [Line Items]
Line of credit facility bearing floating interest rate per annum			4.50%
Forbearance Agreement | Western Alliance | Subsequent Event
Line Of Credit Facility [Line Items]
Line of credit facility, maximum borrowing capacity	$ 1,500,000
Line of credit fees paid for non compilance with non financial covenants	$ 5,000

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Commitments and Contingencies - Additional Information (Detail)		1 Months Ended	6 Months Ended
	Apr. 10, 2018 USD ($)	Mar. 31, 2015 USD ($)	Jun. 30, 2018 USD ($) ft²	Feb. 28, 2018	Feb. 28, 2015
Commitment And Contingencies [Line Items]
Area of corporate headquarters and manufacturing facility | ft²			57,000
Extended lease term		Apr. 30, 2020
Provisions for tenant improvement allowance, maximum		$ 400,000
Capital lease agreement term for information technology equipment					30 months
Capital lease agreement extended additional lease term for information technology equipment				18 months
Purchase commitments pending			$ 11,900,000
Former President And Chief Executive Officer
Commitment And Contingencies [Line Items]
Severance payable	$ 365,000
Net reduction of stock-based compensation expense	$ 300,000
Description of post employment benefits			Mr. Flynn is entitled to receive severance in an amount of $365,000, payable through December 28, 2018, along with certain other benefits, including the continued vesting of all of Mr. Flynn’s time-based stock options through April 9, 2020 and an extension of the time to exercise such options through December 31, 2021, subject to immediate vesting upon a change of control, and continued vesting of the time-based RSUs granted to Mr. Flynn on February 6, 2017 through February 6, 2019, subject to immediate vesting upon a change of control. Any unvested stock options following April 9, 2020 will be cancelled and will not vest, and any RSUs that are unvested following February 6, 2019 will be canceled and will not vest. Due to the modification of Mr. Flynn’s equity awards, the Company recognized a net reduction of stock-based compensation expense of approximately $0.3 million, primarily due to the fluctuation in stock prices from the time the awards were granted to when Mr. Flynn resigned and the awards were re-evaluated.
Employee Arrangements and Other Compensation
Commitment And Contingencies [Line Items]
Change in control, if occurs, may require severance benefits payable			$ 2,100,000
Accrued for performance bonuses			$ 200,000

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Future Minimum Rental Commitments Under Lease Agreements (Detail) $ in Thousands	Jun. 30, 2018 USD ($)
Commitments And Contingencies Disclosure [Abstract]
2018	$ 524
2019	899
2020	300
2021	12
Total future minimum lease obligations	$ 1,735

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Segment Information - Additional Information (Detail) - Sales Revenue, Net - Customer	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Customer Concentration Risk | United States
Segment Reporting Information [Line Items]
Concentration Risk Percentage	59.00%	65.00%	58.00%	64.00%
Customer Concentration Risk | International
Segment Reporting Information [Line Items]
Concentration Risk Percentage	41.00%	35.00%	42.00%	36.00%
Geographic Concentration Risk | International
Segment Reporting Information [Line Items]
Number of customers which represented more than 10% of the Company's revenue	0	0	0	0

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Summary of Net Revenue by Geographic Location (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Segment Reporting Information [Line Items]
Net revenue	$ 12,154	$ 12,612	$ 22,174	$ 23,486
United States
Segment Reporting Information [Line Items]
Net revenue	7,164	8,194	12,857	15,037
International
Segment Reporting Information [Line Items]
Net revenue	$ 4,990	$ 4,418	$ 9,317	$ 8,449

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Summary of Property, Plant and Equipment by Geographic Location (Detail) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Segment Reporting Information [Line Items]
Property, plant, and equipment, net	$ 3,164	$ 3,674
United States
Segment Reporting Information [Line Items]
Property, plant, and equipment, net	2,849	3,347
International
Segment Reporting Information [Line Items]
Property, plant, and equipment, net	$ 315	$ 327

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Concentrations - Summary of Net Revenue from Various Products (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Concentration Risk [Line Items]
Net revenue	$ 12,154	$ 12,612	$ 22,174	$ 23,486
Product Concentration Risk | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk Percentage	100.00%	100.00%	100.00%	100.00%
Laser systems
Concentration Risk [Line Items]
Net revenue	$ 7,920	$ 7,961	$ 13,623	$ 14,690
Laser systems | Product Concentration Risk | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk Percentage	65.20%	63.10%	61.40%	62.60%
Imaging systems
Concentration Risk [Line Items]
Net revenue	$ 371	$ 954	$ 954	$ 1,580
Imaging systems | Product Concentration Risk | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk Percentage	3.10%	7.50%	4.30%	6.70%
Consumables and other
Concentration Risk [Line Items]
Net revenue	$ 2,303	$ 2,051	$ 4,337	$ 3,743
Consumables and other | Product Concentration Risk | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk Percentage	18.90%	16.30%	19.60%	15.90%
Services
Concentration Risk [Line Items]
Net revenue	$ 1,557	$ 1,614	$ 3,254	$ 3,409
Services | Product Concentration Risk | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk Percentage	12.80%	12.80%	14.70%	14.50%
License fees and royalties
Concentration Risk [Line Items]
Net revenue	$ 3	$ 32	$ 6	$ 64
License fees and royalties | Product Concentration Risk | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk Percentage	0.00%	0.30%	0.00%	0.30%

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Concentrations - Additional Information (Detail) - Product Concentration Risk - Customer	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Concentration Risk [Line Items]
Number of customers which represented more than 10% of the Company's accounts receivable			0		0
Sales Revenue, Net
Concentration Risk [Line Items]
Number of customers which represented more than 10% of the Company's revenue	0	0	0	0
Concentration Risk Percentage	100.00%	100.00%	100.00%	100.00%
Account Receivable
Concentration Risk [Line Items]
Concentration Risk Percentage			10.00%		10.00%
Minimum [Member] | Sales Revenue, Net
Concentration Risk [Line Items]
Concentration Risk Percentage	10.00%	10.00%	10.00%	10.00%

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Income Taxes - Additional Information (Detail) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Liability for unrecognized tax benefit, including related estimates of penalties and interest	$ 0	$ 0	$ 0	$ 0
Income tax provision (benefit)	$ 10,000	$ 36,000	$ 42,000	$ 76,000
Projected annual effective tax rate	(10.00%)	0.90%	0.80%	0.90%
Statutory tax rate			21.00%		34.00%

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Subsequent Event - Additional Information (Detail) - Subsequent Event - President And Chief Executive Officer	Aug. 07, 2018 USD ($) shares
Subsequent Event [Line Items]
Annual base salary	$ 400,000
Minimum non-discretionary performance bonus	$ 100,000
Maximum
Subsequent Event [Line Items]
Percentage of annual performance bonus	100.00%
Performance bonus based on target performance	$ 170,000
Performance bonus based on outperform performance	$ 210,000
Time-based RSUs | Tranche 1
Subsequent Event [Line Items]
Share based compensation arrangement by share based payment award equity instruments other than options to be granted upon approval by stockholders for an increase in number of shares available under 2018 long-term incentive plan | shares	350,000
Vesting percentage	0.25%
Restricted stock units vesting description	(i) 350,000 stock-settled time-based restricted stock units which shall vest as to one-fourth of the number of shares of Common Stock subject to the time-based restricted stock units on the one-year anniversary of the Mr. Norbe’s first date of employment.
Time-based RSUs | Tranche 2
Subsequent Event [Line Items]
Vesting percentage	0.75%
Restricted stock units vesting description	Remaining three-fourths of the number of shares of Common Stock subject to the time-based restricted stock units, in four installments on a semi-annual basis commencing on the 18-month anniversary of Mr. Norbe’s first date of employment, subject to continued employment through each such vesting date.
Performance-based RSUs
Subsequent Event [Line Items]
Share based compensation arrangement by share based payment award equity instruments other than options to be granted upon approval by stockholders for an increase in number of shares available under 2018 long-term incentive plan | shares	300,000
Vesting percentage	0.33%
Restricted stock units vesting description	(ii) 300,000 stock settled performance-based RSUs, which shall vest in one-third annual increments, subject to performance criteria established by the Compensation Committee of the Board and continued employment through each such vesting date.