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 September 30, 2021

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: 001-38546

NEURONETICS, INC.

(Exact name of registrant as specified in its charter)

Delaware	33-1051425
(State or other jurisdiction of	(I.R.S. Employer Identification No.)
incorporation or organization)
3222 Phoenixville Pike, Malvern, PA	19355
(Address of principal executive offices)	(Zip Code)
(610) 640-4202
(Registrant’s telephone number, including area code)

Not applicable.

(Former name, former address and former fiscal year, if changed since last report)

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

Title of each class	Trading Symbol (s)	Name on each exchange on which registered
Common Stock ($0.01 par value)	STIM	The Nasdaq Global Market

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 every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

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

Large accelerated filer	☐	Accelerated filer	☐
Non-accelerated filer	☒	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 ☒

There were 26,367,959 shares of the registrant’s common stock outstanding as of November 4, 2021.

NEURONETICS, INC.

Quarterly Report on Form 10-Q for the quarterly period ended September 30, 2021

Table of Contents

		Page
PART I – FINANCIAL INFORMATION
Item 1.	Financial Statements.	3
	Balance Sheets as of September 30, 2021 and December 31, 2020	3
	Statements of Operations for the Three and Nine Months ended September 30, 2021 and 2020	4
	Statements of Changes in Stockholders’ Equity for the Three and Nine Months ended September 30, 2021 and 2020	5
	Statements of Cash Flows for the Nine Months ended September 30, 2021 and 2020	6
	Notes to Interim Financial Statements	7
Item 2.	Management’s Discussion and Analysis of Financial Condition and Results of Operations.	24
Item 3.	Quantitative and Qualitative Disclosures About Market Risk.	38
Item 4.	Controls and Procedures.	38
PART II – OTHER INFORMATION
Item 1.	Legal Proceedings.	40
Item 1A.	Risk Factors.	40
Item 2.	Unregistered Sales of Equity Securities and Use of Proceeds.	40
Item 3.	Defaults Upon Senior Securities.	40
Item 4.	Mine Safety Disclosures.	40
Item 5.	Other Information.	40
Item 6.	Exhibits.	41
	SIGNATURES	42

2

PART I - FINANCIAL INFORMATION

Item 1.     Financial Statements.

NEURONETICS, INC.

Balance Sheets

(Unaudited; In thousands, except per share data)

	September 30,		December 31,
	2021		2020
Assets
Current assets:
Cash and cash equivalents	$	99,434	$	48,957
Accounts receivable, net		7,749		7,166
Inventory		5,355		3,720
Current portion of net investments in sales-type leases		2,142		1,887
Current portion of prepaid commission expense		1,313		1,096
Prepaid expenses and other current assets		3,454		2,186
Total current assets		119,447		65,012
Property and equipment, net		920		730
Operating lease right-of-use assets		3,131		3,418
Net investments in sales-type leases		1,735		2,331
Prepaid commission expense		5,685		5,300
Long-term note receivable		10,000		—
Other assets		2,150		1,866
Total Assets	$	143,068	$	78,657
Liabilities and Stockholders’ Equity
Current liabilities:
Accounts payable	$	3,306	$	3,749
Accrued expenses		6,913		7,319
Deferred revenue		1,870		2,020
Current portion of operating lease liabilities		616		594
Current portion of long-term debt, net		35,104		—
Total current liabilities		47,809		13,682
Long-term debt, net		—		34,620
Deferred revenue		1,361		1,741
Operating lease liabilities		2,822		3,121
Total Liabilities		51,992		53,164
Commitments and contingencies (Note 17)		—		—
Stockholders’ Equity:
Preferred stock, $0.01 par value: 10,000 shares authorized; no shares issued or
outstanding at September 30, 2021 and December 31, 2020		—		—
Common stock, $0.01 par value: 200,000 shares authorized; 26,335 and 19,114
shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively		263		191
Additional paid-in capital		391,910		302,842
Accumulated deficit		(301,097)		(277,540)
Total Stockholders' Equity		91,076		25,493
Total Liabilities and Stockholders’ Equity	$	143,068	$	78,657

The accompanying notes are an integral part of these unaudited interim financial statements.

3

NEURONETICS, INC.

Statements of Operations

(Unaudited; In thousands, except per share data)

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2021		2020		2021		2020
Revenues	$	13,799	$	12,448	$	40,290	$	33,665
Cost of revenues		3,144		2,657		8,115		7,791
Gross Profit		10,655		9,791		32,175		25,874
Operating expenses:
Sales and marketing		9,827		6,053		27,431		24,926
General and administrative		6,435		4,210		19,220		13,508
Research and development		1,575		1,952		6,179		7,089
Total operating expenses		17,837		12,215		52,830		45,523
Loss from Operations		(7,182)		(2,424)		(20,655)		(19,649)
Other (income) expense:
Interest expense		993		1,002		2,955		3,511
Loss on extinguishment of debt		—		—		—		924
Other income, net		(24)		(8)		(53)		(288)
Net Loss	$	(8,151)	$	(3,418)	$	(23,557)	$	(23,796)
Net loss per share of common stock outstanding, basic and diluted	$	(0.31)	$	(0.18)	$	(0.94)	$	(1.27)
Weighted-average common shares outstanding, basic and diluted		26,301		18,890		25,179		18,773

The accompanying notes are an integral part of these unaudited interim financial statements.

4

NEURONETICS, INC.

Statements of Changes in Stockholders’ Equity

(Unaudited; In thousands)

				Additional				Total
	Common Stock			Paid-in		Accumulated		Stockholders’
	Shares	Amount		Capital		Deficit		Equity
Balance at December 31, 2019	18,645	$	186	$	297,753	$	(250,087)	$	47,852
Share-based awards and options exercises	81		1		75		—		76
Share-based compensation expense	—		—		1,196		—		1,196
Net loss	—		—		—		(12,613)		(12,613)
Balance at March 31, 2020	18,726	$	187	$	299,024	$	(262,700)	$	36,511
Share-based awards and options exercises	83		1		47		—		48
Share-based compensation expense	—		—		646		—		646
Net loss	—		—		—		(7,765)		(7,765)
Balance at June 30, 2020	18,809	$	188	$	299,717	$	(270,465)	$	29,440
Share-based awards and options exercises	150		1		409		—		410
Share-based compensation expense	—		—		1,046		—		1,046
Net loss	—		—		—		(3,418)		(3,418)
Balance at September 30, 2020	18,959	$	189	$	301,172	$	(273,883)	$	27,478
Balance at December 31, 2020	19,114	$	191	$	302,842	$	(277,540)	$	25,493
Share-based awards and options exercises	1,076		11		1,581		—		1,592
Issuance of common stock, net of issuance costs of $401	5,566		56		80,515		—		80,571
Share-based compensation expense	—		—		2,196		—		2,196
Net loss	—		—		—		(7,881)		(7,881)
Balance at March 31, 2021	25,756	$	258	$	387,134	$	(285,421)	$	101,971
Share-based awards and options exercises	411		4		707		—		711
Share-based compensation expense	—		—		2,009		—		2,009
Net loss	—		—		—		(7,525)		(7,525)
Balance at June 30, 2021	26,167	$	262	$	389,850	$	(292,946)	$	97,166
Share-based awards and options exercises	168		1		99		—		100
Share-based compensation expense	—		—		1,961		—		1,961
Net loss	—		—		—		(8,151)		(8,151)
Balance at September 30, 2021	26,335	$	263	$	391,910	$	(301,097)	$	91,076

The accompanying notes are an integral part of these unaudited interim financial statements.

5

NEURONETICS, INC.

Statements of Cash Flows

(Unaudited; In thousands)

	Nine Months Ended September 30,
	2021		2020
Cash Flows from Operating Activities:
Net loss	$	(23,557)	$	(23,796)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization		768		741
Share-based compensation		6,166		2,888
Non-cash interest expense		484		1,113
Cost of rental units purchased by customers		137		150
Loss on extinguishment of debt		—		622
Changes in certain assets and liabilities:
Accounts receivable, net		(3,097)		1,005
Inventory		(1,870)		(1,004)
Net investments in sales-type leases		341		(1,271)
Leasehold reimbursement		—		875
Prepaid commission expense		(602)		(1,070)
Prepaid expenses and other assets		(453)		(1,263)
Accounts payable		(840)		(2,340)
Accrued expenses		(405)		(2,981)
Deferred revenue		(531)		(356)
Net Cash Used in Operating Activities		(23,459)		(26,687)
Cash Flows from Investing Activities:
Purchases of property and equipment and capitalized software		(1,552)		(615)
Issuance of promissory note		(7,486)		—
Net Cash Used in Investing Activities		(9,038)		(615)
Cash Flows from Financing Activities:
Proceeds from issuance of long-term debt		—		41,360
Repayment of long-term debt		—		(38,860)
Payments of debt issuance costs		—		(721)
Proceeds from exercises of stock options		2,403		534
Proceeds from the issuance of common stock		80,972		—
Payments of common stock offering issuance costs		(401)		—
Net Cash Provided by Financing Activities		82,974		2,313
Net Increase (Decrease) in Cash and Cash Equivalents		50,477		(24,989)
Cash and Cash Equivalents, Beginning of Period		48,957		75,708
Cash and Cash Equivalents, End of Period	$	99,434	$	50,719
Supplemental disclosure of cash flow information:
Cash paid for interest	$	2,471	$	3,060
Transfer of Inventory to PP&E		235		—
Supplemental disclosure of non-cash investing and financing activities:
Purchases of property and equipment and capitalized software in accounts payable and accrued expenses	$	398	$	83
Reduction of accounts receivable in long-term note receivable		2,514		—

The accompanying notes are an integral part of these unaudited interim financial statements.

6

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

1.     DESCRIPTION OF BUSINESS

Neuronetics, Inc., or the Company, is a commercial stage medical technology company focused on designing, developing and marketing products that improve the quality of life for patients who suffer from psychiatric disorders. The Company’s first commercial product, the NeuroStar Advanced Therapy System, is a non-invasive and non-systemic office-based treatment that uses transcranial magnetic stimulation, or TMS, to create a pulsed, MRI-strength magnetic field that induces electrical currents designed to stimulate specific areas of the brain associated with mood. The system was cleared in 2008 by the United States Food and Drug Administration, or the FDA, to treat adult patients with major depressive disorder, or MDD, who have failed to achieve satisfactory improvement from prior antidepressant medication in the current episode. NeuroStar Advanced Therapy is also available in other parts of the world, including Japan, where it is listed under Japan’s national health insurance. The Company intends to continue to pursue development of its NeuroStar Advanced Therapy System for additional indications.

COVID-19

The Company is continuing to monitor the impact of the COVID-19 pandemic on all aspects of its business and geographies, including how it will continue to impact the Company’s customers, supply chain, employees and other business partners. While the Company has experienced significant disruptions in March 2020 through the end of September 30, 2021 from the COVID-19 pandemic, it is unable to predict the full impact that the pandemic may have on its financial condition, results of operations and cash flows due to numerous uncertainties. These uncertainties include the scope, severity and duration of the pandemic, the actions taken to contain the pandemic or mitigate its impact and the direct and indirect economic effects of the pandemic and containment measures, among others. The pandemic has significantly adversely impacted global economic activity and has contributed to significant volatility and negative pressure in financial markets, and may contribute to periods of economic uncertainty in the future.

The Company applied for and received a $6.4 million loan in April 2020 under the Paycheck Protection Program (the “PPP”) established by the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) on March 27, 2020. Due to questions concerning the eligibility of public companies similarly situated to the Company, on May 7, 2020, the Company repaid the loan in full, including interest accrued to date.

Liquidity

As of September 30, 2021, the Company had cash and cash equivalents of $99.4 million and an accumulated deficit of $301.1 million. The Company incurred negative cash flows from operating activities of $23.5 million for the nine months ended September 30, 2021 and $28.4 million for the year ended December 31, 2020. The Company has incurred operating losses since its inception, and management anticipates that its operating losses will continue in the near term as the Company continues to invest in sales, marketing and product development activities. The Company’s primary sources of capital to date have been proceeds from its IPO, private placements of its convertible preferred securities, borrowings under its credit facilities, proceeds from its secondary public offering of common stock, revenues from sales of its products and other public offerings of the Company’s common stock. As of September 30, 2021, the Company had $35.0 million of borrowings outstanding under its credit facility, which has a final maturity in February 2025. As discussed in Note 13, the outstanding balance under the credit facility is classified as a current liability as of September 30, 2021. Management believes that the Company’s cash and cash equivalents as of September 30, 2021, and anticipated revenues from sales of its products are sufficient to fund the Company’s operations for at least the next 12 months from the issuance of these financial statements.

2.     BASIS OF PRESENTATION

The accompanying financial statements have been prepared in accordance with United States generally accepted accounting principles, or GAAP. Any reference in these notes to applicable guidance is meant to

7

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

refer to GAAP as found in the Accounting Standards Codification, or ASC, and Accounting Standards Updates, or ASUs, promulgated by the Financial Accounting Standards Board, or FASB.

Interim Financial Statements

The accompanying unaudited interim financial statements have been prepared from the books and records of the Company in accordance with GAAP for interim financial information and Rule 10-01 of Regulation S-X promulgated by the United States Securities and Exchange Commission, or SEC, which permit reduced disclosures for interim periods. All adjustments, consisting only of normal recurring adjustments, necessary for a fair presentation of the accompanying balance sheets and statements of operations and stockholders’ deficit and cash flows have been made. Although these interim financial statements do not include all of the information and footnotes required for complete annual financial statements, management believes the disclosures are adequate to make the information presented not misleading. Unaudited interim results of operations and cash flows for the three and nine months ended September 30, 2021 are not necessarily indicative of the results that may be expected for the full year. Unaudited interim financial statements and footnotes should be read in conjunction with the audited financial statements and footnotes included in the Company’s Form 10-K filed with the SEC on March 2, 2021, wherein a more complete discussion of significant accounting policies and certain other information can be found.

Use of Estimates

The preparation of financial statements in accordance with GAAP and the rules and regulations of the SEC requires the use of estimates and assumptions, based on judgments considered reasonable, which affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates and assumptions on historical experience, known trends and events and various other factors that management believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Although management believes its estimates and assumptions are reasonable when made, they are based upon information available at the time they are made. Management evaluates the estimates and assumptions on an ongoing basis and, if necessary, makes adjustments. Due to the risks and uncertainties involved in the Company’s business and evolving market conditions, including those related to the COVID-19 pandemic, and given the subjective element of the estimates and assumptions made, actual results may differ materially from estimated results.

3.     SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The Company accounts for its note receivable in accordance with ASC Topic 310, Receivables, ("Topic 310") and is reported on the Company’s balance sheet at amortized cost basis. The Company will recognize interest income within other income, net within the statements of operations. See "Note 8. Note Receivable" in our unaudited financial statements and related notes thereto included elsewhere in this Quarterly Report on Form 10-Q.

The Company’s complete summary of significant accounting policies can be found in “Note 3. Summary of Significant Accounting Policies” in the audited financial statements included in the Company’s Form 10-K filed with the SEC on March 2, 2021.

4.     RECENT ACCOUNTING PRONOUNCEMENTS

New Accounting Standards Not Yet Adopted by the Company

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“Topic 326”). This ASU provides guidance for

8

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

recognizing credit losses on financial instruments based on an estimate of current expected credit losses model. The FASB subsequently issued ASU 2019-04, to clarify and address certain items related to the amendments in Topic 326.

ASU 2019-05, Financial Instruments - Credit Losses (Topic 326): Targeted Transition Relief, was issued to provide entities that have certain instruments within the scope of ASC 326 with an option to irrevocably elect the fair value option under ASC 825-10, Financial Instruments - Overall, applied on an instrument-by-instrument basis for eligible instruments. ASU 2019-10, Topic 326, Topic 815, and Topic 842 amends the mandatory effective date for Topic 326.

These ASUs are effective for fiscal years beginning after December 15, 2022 for entities that are eligible to be defined by the SEC as a smaller reporting company. The Company is a smaller reporting company. Although the impact upon adoption will depend on the financial instruments held by the Company at that time, the Company does not anticipate a significant impact on its financial statements based on the instruments currently held and its historical trend of bad debt expense relating to trade accounts receivable.

Other than the items noted above, there have been no new accounting pronouncements not yet effective or adopted in the current year that we believe have a significant impact, or potential significant impact, to our unaudited interim financial statements.

5.     FAIR VALUE MEASUREMENT AND FINANCIAL INSTRUMENTS

The carrying values of cash equivalents, accounts receivable, prepaids and other current assets, and accounts payable on the Company’s balance sheets approximated their fair values as of September 30, 2021 and December 31, 2020 due to their short-term nature. The carrying values of the Company’s credit facility approximated its fair value as of September 30, 2021 and December 31, 2020 due to its variable interest rate. The carrying value of the Company’s note receivable approximated its fair value as of September 30, 2021 due to its variable interest rate.

Certain of the Company’s financial instruments are measured at fair value using a three-level hierarchy that prioritizes the inputs used to measure fair value. This hierarchy maximizes the use of observable inputs and minimizes the use of unobservable inputs. The three levels of inputs used to measure fair value are as follows:

Level 1: Inputs are quoted prices for identical instruments in active markets.

Level 2: Inputs are quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; or model-derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3: Inputs are unobservable and reflect the Company’s own assumptions, based on the best information available, including the Company’s own data.

9

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

The following tables set forth the carrying amounts and fair values of the Company’s financial instruments as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30, 2021
					Fair Value Measurement Based on
					Quoted		Significant
					Prices In		other		Significant
					Active		Observable		Unobservable
	Carrying				Markets		Inputs		Inputs
	Amount		Fair Value		(Level 1)		(Level 2)		(Level 3)
Assets
Money market funds (cash equivalents)	$	96,231	$	96,231	$	96,231	$	—	$	—

	December 31, 2020
					Fair Value Measurement Based on
					Quoted		Significant
					Prices In		other		Significant
					Active		Observable		Unobservable
	Carrying				Markets		Inputs		Inputs
	Amount		Fair Value		(Level 1)		(Level 2)		(Level 3)
Assets
Money market funds (cash equivalents)	$	47,117	$	47,117	$	47,117	$	—	$	—

6.     ACCOUNTS RECEIVABLE

The following table presents the composition of accounts receivable, net as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Gross accounts receivable - trade	$	8,907	$	8,178
Less: Allowances for doubtful accounts		(1,158)		(1,012)
Accounts receivable, net	$	7,749	$	7,166

7.     PROPERTY AND EQUIPMENT AND CAPITALIZED SOFTWARE

The following table presents the composition of property and equipment, net as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Laboratory equipment	$	214	$	150
Office equipment		497		487
Computer equipment and software		1,555		1,360
Manufacturing equipment		341		273
Leasehold improvements		459		459
Rental equipment		366		405
Property and equipment, gross		3,432		3,134
Less: Accumulated depreciation		(2,512)		(2,404)
Property and equipment, net	$	920	$	730

As of September 30, 2021 and December 31, 2020, the Company had capitalized software costs, net of $2.0 million and $1.2 million, respectively, which are included in “Prepaid expenses and other current assets” and “Other assets” on the balance sheet.

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NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

Depreciation and amortization expense was $0.2 million and $0.2 million for the three months ended September 30, 2021 and 2020, respectively, and $0.8 million and $0.7 million for the nine months ended September 30, 2021 and 2020, respecitvely.

8.     NOTE RECEIVABLE

On September 29, 2021, Neuronetics, Inc. the Company entered into an exclusive, five-year master sales agreement (the “Commercial Agreement”) with Check Five, LLC d/b/a Success TMS (“Success TMS”). In connection with the Commercial Agreement, the Company agreed to loan Success TMS the principal amount of $10.0 million for a period of five years pursuant to a secured promissory note (the “Note”). The Note will bear interest at a floating rate equal to the prime rate plus 6.00% per annum. The Note includes an interest-only period through October 1, 2022, after which time Success TMS will be required to make monthly payments of principal and interest. The interest-only period can be extended by the Company to October 1, 2023 upon satisfaction of certain conditions by Success TMS after which time Success TMS will be required to make payments of principal and interest. Under the terms of the Note, the Company has received a first priority security interest in substantially all of the assets of Success TMS. Success TMS has also granted the Company an observer seat on the Board of Managers of Success TMS.

In the Note, Success TMS has made certain representations and warranties and is required to comply with certain customary affirmative and negative covenants during the term of the Note. The Note contains events of default, including, without limitation: (i) failure to make payment pursuant to the terms of the Note; (ii) violation of covenants; (iii) breach of any representation or warranty; (iv) breach or default under the Commercial Agreement; (v) material adverse changes to Success TMS’s business; (vi) any impairment of the Company’s security interest in collateral; (vii) attachment or levy on Success TMS’s assets or judicial restraint on its business; (viii) commencement of insolvency proceedings; (ix) material cross-defaults; (x) significant judgments, orders or awards for payment against Success TMS; (xi) a change of control of Success TMS; and (xii) the invalidity or unenforceability of the Note or the Commercial Agreement. The owner of Success TMS, 6214 Riverwalk LLC, has provided a limited guarantee and pledge of its equity in Success TMS in connection with the Note.

As of September 30, 2021, Success TMS has represented to the Company that Success TMS is in compliance with all covenants of the Note.

9.     LEASES

Lessee:

The Company has operating leases for its corporate headquarters and office equipment, including copiers. The Company leases an approximately 32,000 square foot facility in Malvern, Pennsylvania for its corporate headquarters, which includes office and warehouse space. The Company does not currently have any finance leases or executed leases that have not yet commenced.

Operating lease rent expense was $0.2 million and $0.2 million for the three months ended September 30, 2021 and 2020, respectively, and $0.4 million and $0.5 million for the nine months ended September 30, 2021 and 2020, respectively. As of September 30, 2021, the weighted-average remaining lease term of operating leases was 6.4 years and the weighted-average discount rate was 6.5%.

In the first quarter of 2020, the Company received a reimbursement of $0.8 million for leasehold expenses previously incurred in connection with the lease agreement for its Malvern facility. The reimbursement was recorded as an offset to the non-current lease liability that was established when the lease agreement was executed.

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NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

The following table presents the supplemental cash flow information as a lessee related to leases (in thousands):

	Nine Months Ended
	September 30, 2021		September 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	526	$	575

The following table sets forth by year the required future payments of operating lease liabilities (in thousands):

	September 30, 2021
Remainder of 2021	$	157
2022		639
2023		636
2024		646
2025		660
Thereafter		1,487
Total lease payments		4,225
Less imputed interest		(787)
Present value of operating lease liabilities	$	3,438

Lessor sales-type leases:

Certain customers have purchased NeuroStar Advanced Therapy Systems on a rent-to-own basis. The lease term is three or four years with a customer option to purchase the NeuroStar Advanced Therapy System at the end of the lease or automatic transfer of ownership of the NeuroStar Advanced Therapy System at the end of the lease.

The following table sets forth the profit recognized on sales-type leases (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Profit recognized at commencement, net	$	262	$	81	$	543	$	807
Interest income		—		—		—		—
Total sales-type lease income	$	262	$	81	$	543	$	807

The following table sets forth a maturity analysis of the undiscounted lease receivables related to sales-type leases (in thousands):

	September 30,
	2021
Remainder of 2021	$	445
2022		2,001
2023		998
2024		290
2025		143
Total sales-type lease receivables	$	3,877

As of September 30, 2021, the carrying amount of the lease receivables is $3.9 million. The Company does not have any unguaranteed residual assets.

12

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

Lessor operating leases:

NeuroStar Advanced Therapy Systems sold on a rent-to-own basis prior to January 1, 2019 are accounted for as operating leases. NeuroStar Advanced Therapy Systems sold subsequent to January 1, 2019 for which collection is not probable are also accounted for as operating leases. For the three months ended September 30, 2021 and 2020, the Company recognized operating lease income of $0.03 million and $0.1 million, respectively. For the nine months ended September 30, 2021 and 2020, the Company recognized operating lease income of $0.2 million and $0.2 million, respectively.

The following table sets forth a maturity analysis of its undiscounted lease receivables related to operating leases as of September 30, 2021 (in thousands):

	September 30,
	2021
Remainder of 2021	$	4
Total lease receivables	$	4

The Company maintained Rental Equipment, net of $0.3 million and $0.2 million as of September 30, 2021 and December 31, 2020, respectively, which are included in “Property and equipment, net” on the balance sheet. Rental equipment depreciation expense was $0.01 million and $0.02 million for the three months ended September 30, 2021 and 2020, respectively, and $0.03 million and $0.1 million for the nine months ended September 30, 2021 and 2020.

10.     PREPAID COMMISSION EXPENSE

The Company pays a commission on both NeuroStar Advanced System sales and Treatment Session sales. Since the commission paid for System sales is not commensurate with the commission paid for Treatment Sessions, the Company capitalizes commission expense associated with NeuroStar Advanced Therapy System sales commissions paid that is incremental to specifically anticipated future Treatment Session orders. In developing this estimate, the Company considered its historical Treatment Session sales and customer retention rates, as well as technology development life cycles and other industry factors. These costs are periodically reviewed for impairment.

NeuroStar Advanced Therapy System commissions are deferred and amortized on a straight-line basis over a seven year period equal to the average customer term, which the Company deems to be the expected period of benefit for these costs.

On the Company’s balance sheets, the current portion of capitalized contract costs is represented by the current portion of prepaid commission expense, while the long-term portion is included in prepaid commission expense. Amortization expense was $0.3 million and $0.2 million for the three months ended September 30, 2021 and 2020, respectively, and $0.9 million and $0.6 million for the nine months ended September 30, 2021 and 2020, respectively.

13

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

11.     ACCRUED EXPENSES

The following table presents the composition of accrued expenses as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Compensation and related benefits	$	4,035	$	5,023
Consulting and professional fees		779		292
Research and development expenses		362		138
Sales and marketing expenses		312		73
Warranty		300		536
Sales and other taxes payable		616		726
Other		509		531
Accrued expenses	$	6,913	$	7,319

12.     DEFERRED REVENUE

Payment terms typically require payment upon shipment or installation of the System and additional payments as access codes for Treatment Sessions are delivered, which can span several years after the System is first delivered and installed. The timing of revenue recognition compared to billings and cash collections typically results in accounts receivable. However, sometimes customer advances and deposits might be required for certain customers and are recorded as deferred revenue. For multi-year agreements, the Company generally invoices customers annually at the beginning of each annual coverage period and recognizes revenue over the term of the coverage period.

As of September 30, 2021, the Company expects to recognize approximately the following percentages of deferred revenue by year:

	Revenue
Year:	Recognition
Remainder of 2021	22	%
2022	32	%
2023	20	%
2024	20	%
2025	6	%
Thereafter	—	%
Total	100	%

Revenue recognized for the three and nine months ended September 30, 2021 that was included in the contract liability balance at the beginning of the year was $0.3 million and $1.8 million, respectively, and primarily represented revenue earned from separately priced extended warranties, rent-to-own revenue, milestone revenue, and clinical training.

Customers

For the three months ended September 30, 2021 and 2020, one customer accounted for more than 10% of the Company’s revenues, respectively. For the nine months ended September 30, 2021 and 2020, one customer accounted for more than 10% of the Company’s revenues, respectively.

14

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

13.     DEBT

The following table presents the composition of debt as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Outstanding principal	$	35,000	$	35,000
Accrued final payment fees		1,925		1,925
Less debt discounts		(1,821)		(2,305)
Total debt, net		35,104		34,620
Less current portion		(35,104)		—
Long-term debt, net	$	—	$	34,620

For the three months ended September 30, 2021, the Company recognized interest expense of $1.0 million, of which $0.8 million was cash and $0.2 million was non-cash interest expense related to the amortization of deferred debt issuance costs and accrual of final payment fees. For the three months ended September 30, 2020, the Company recognized interest expense of $1.0 million, of which $0.8 million was cash paid for interest during the period and $0.2 million was non-cash interest expense related to the amortization of deferred debt issuance costs and accrual of final payment fees.

For the nine months ended September 30, 2021, the Company recognized interest expense of $3.0 million, of which $2.5 million was cash and $0.5 million was non-cash interest expense related to the amortization of deferred debt issuance costs and accrual of final payment fees. For the nine months ended September 30, 2020, the Company recognized interest expense of $3.5 million, of which $3.1 million was cash paid for interest during the period and $0.4 million was non-cash interest expense related to the amortization of deferred debt issuance costs and accrual of final payment fees.

Solar Credit Facility

On March 2, 2020, the Company entered into a loan and security agreement with Solar Capital Ltd., or Solar, as collateral agent, and other lenders defined in the agreement, for a credit facility, or the Solar Facility, that replaced the Company’s previous $35.0 million credit facility with Oxford Finance LLC, or Oxford, and such facility, the Oxford Facility.

The Solar Facility permits the Company to borrow up to an aggregate amount of $50.0 million in two tranches of term loans, a “Term A Loan” and “Term B Loan.” On March 2, 2020, the Company borrowed an aggregate amount of $35.0 million, which was the aggregate amount available under the Term A Loan portion of the Solar Facility. The Term A Loan portion of the Solar Facility matures, and all amounts borrowed thereunder are due, on February 28, 2025. Under the Term B Loan portion of the Solar Facility, the Company is permitted to borrow, at its election, up to an aggregate amount of $15.0 million, (i) upon the Company achieving a specified amount of trailing twelve months net product revenue, and (ii) assuming there has been no event of default under the Solar Facility prior to such election. Once the net product revenue condition has been satisfied, the Company may only make an election to borrow under the Term B Loan portion of the Solar Facility until the earlier of (a) December 15, 2021, (b) 30 days following achievement of the net product revenue condition or (c) the occurrence of an event of default.

15

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

Each of the Term A Loan and Term B Loan accrue interest from the date of borrowing through the date of repayment at a floating per annum rate of interest, which resets monthly and is equal to 7.65% plus the greater of (a) 1.66% or (b) the rate per annum rate published by the Intercontinental Exchange Benchmark Administration Ltd. The Term A Loan and the Term B Loan both include an interest-only period through March 1, 2022, after which time the Company will be required to make monthly payments of principal and interest. Monthly principal payments are to be paid in equal amounts on a pro rata basis to lenders. At the Company’s election, the interest only period may be extended through February 2023 if the Company satisfies a minimum net product revenue covenant through March 1, 2022 and no event of default shall have occurred.

In addition to the principal and interest payments due under the Solar Facility, the Company is required to pay a final payment fee to Solar due upon the earlier of prepayment, acceleration or the maturity date of the Term A Loan or Term B Loan portion of the Solar Facility equal to 5.50% of the principal amount of the term loans actually funded. The Company is accruing the final payment fees using the effective interest rate, with a charge to non-cash interest expense, over the term of borrowing. If the Company prepays either the of the Term A Loan or Term B Loan prior to their respective scheduled maturities, the Company will also be required to pay prepayment fees to Solar equal to 3% of the principal amount of such term loan then-prepaid if prepaid on or before the first anniversary of funding, 2% of the principal amount of such term loan then-prepaid if prepaid after the first anniversary and on or before the second anniversary of funding, or 1% of the principal amount of such term loan then-prepaid if prepaid after the second anniversary of funding of the principal amounts borrowed.

The Company is also required to pay Solar an exit fee upon the occurrence, prior to March 2, 2030, of (a) any liquidation, dissolution or winding up of the Company, (b) transaction that results in a person obtaining control over the Company, (c) the Company achieving $100 million in trailing twelve month net product revenue or (d) the Company achieving $125 million in trailing twelve month net product revenue. The exit fee for liquidation, dissolution, winding up or change of control of the Company is equal to 4.50% of the principal amount of the term loans actually funded. The exit fee for achieving either $100 million or $125 million in trailing twelve-month net product revenue is equal to 2.25% of the principal amount of the term loans actually funded or, if both net product revenue milestones are achieved, 4.50% of the principal amount of the term loans actually funded. The exit fee is capped at 4.50% of the principal amount of the term loans actually funded.

On December 8, 2020, the Company, Solar Capital Ltd., and our other lenders defined in the Solar Facility, executed an amendment to the Solar Facility (the “Solar Amendment”). The Solar Amendment divides the aggregate Term B Loan borrowing amount of $15.0 million allowable upon our achievement of specific trailing twelve-month net product revenue targets into three separate $5.0 million tranches (“Amended Term B Loan”, “Term C Loan” and “Term D Loan”). The three tranches are available through June 20, 2021, December 20, 2021, and June 20, 2022, respectively, based on the achievement of agreed upon trailing twelve-month net product revenue targets for each tranche.

The Solar Amendment also reduces the trailing twelve-month net product revenue requirement for the Amended Term B Loan portion of the facility. Subject to certain conditions, the Company has the ability to extend the interest-only period on the initial Term A Loan to 36 months from 24 months upon achieving the revenue targets associated with the Amended Term B Loan. As of September 30, 2021, the Company is in compliance with the required minimum net product revenue covenant and anticipates electing to extend the interest-only period through March 1, 2023 for the Term A Loan, subject to continuing to meet the required conditions through and as of March 1, 2022. The Company is projected to be in compliance with the required covenant. The Company was required to pay an amendment fee of $0.1 million to Solar, which has been recognized as a deferred debt issuance cost as of December 31, 2020 that will be amortized to interest expense using the effective interest method.

16

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

The Company’s obligations under the Solar Facility are secured by a first priority security interest in substantially all of its assets, including its intellectual property. The loan and security agreement requires the Company to comply with certain financial covenants as well as customary affirmative and negative covenants.

The Solar Facility contains events of default, including, without limitation, events of default upon: (i) failure to make payment pursuant to the terms of the agreement; (ii) violation of covenants; (iii) material adverse changes to the Company’s business; (iv) attachment or levy on the Company’s assets or judicial restraint on its business; (v) insolvency; (vi) material cross-defaults; (vii) significant judgments, orders or decrees for payments by the Company not covered by insurance; (viii) incorrectness of representations and warranties; (ix) incurrence of subordinated debt; (x) a termination or breach of a guaranty; (xi) revocation of governmental approvals necessary for the Company to conduct its business; and (xii) failure by the Company to maintain a valid and perfected lien on the collateral securing the borrowing. The Solar Facility includes subjective acceleration clauses which permit the lenders to accelerate the maturity date under certain circumstances, including, but not limited to, material adverse effects on a Company’s financial status or otherwise.

The Solar Facility includes a financial covenant requiring the attainment of a minimum trailing net revenue amount beginning on December 31, 2020. The Company and lenders executed the Solar Amendment in December 2020 that reduced the minimum trailing net revenue covenant requirement amounts beginning on December 31, 2020 to allow the Company to maintain compliance with the covenant as of December 31, 2020. As of September 30, 2021, the Company is in compliance with the financial covenant and is projected to be in compliance with the reduced minimum revenue covenant amounts going forward.

As of September 30, 2021, the Company is in compliance with all covenants in the Solar Facility.

The Solar Facility includes a financial covenant requiring the attainment of a minimum trailing net revenue amount. Based upon the Company’s projected revenues for the remainder of 2021, the Company believes that it is probable that this minimum revenue covenant will not be achieved. The Company is in discussions with the lenders for a potential covenant waiver or amendment, however, no formal agreement has been executed. The Solar Facility also includes subjective acceleration clauses which permit the lenders to accelerate the maturity date under certain circumstances, including, but not limited to, material adverse effects on a Company’s financial status or otherwise. In accordance with FASB ASC 470 as the Solar Facility contains subjective acceleration clauses and the assessment that it is probable that the revenue covenant will not be met as of December 31, 2021, the outstanding principal under the Solar Facility is classified as a current liability in the accompanying balance sheet as of September 30, 2021.

Oxford Credit Facility

Prior to March 2020, the Company had a $35.0 million credit facility in place with Oxford, which it entered into in March 2017 and that allowed it to borrow up to $35.0 million in three tranches of term loans: a Term A Loan in the amount of $25 million, which was drawn immediately upon closing in March 2017, a Term B Loan in the amount of $5.0 million, which was drawn down in December 2017, and a Term C Loan in the amount of $5.0 million which was never drawn down. Each term loan accrued interest from the date of borrowing through the date of repayment at a floating per annum rate of interest, which reset monthly and was equal to the greater of (a) 8.15% or (b) the 30 day U.S. LIBOR on the last business day of the month plus 7.38%. This facility featured an interest-only period on all tranches through March 2019.

In addition to principal and interest payments due under the $35.0 million Oxford credit facility, the Company was required to make final payment fees to Oxford upon the earlier of prepayment or maturity and equal to 8.5% and 7.5% of the principal amounts of the Term A and Term B Loans, respectively. The Company accrued final payment fees using the effective interest rate, with a charge to non-cash interest expense, over the term of borrowing and until its entry into the Solar credit facility in March 2020, at which time the Company paid Oxford $2.5 million in satisfaction of all final payment fee liabilities due under the Oxford credit facility.

17

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

The Company evaluated whether the Solar Facility entered into in March 2020 represented a debt modification or extinguishment in accordance with ASC 470-50, Debt—Modifications and Extinguishments and determined that the existing debt was extinguished as a result of the full repayment of the existing facility and concurrent issuance of a new credit facility with a new lender. The unamortized balance of the Company’s combined debt discount and deferred issuance costs of $0.6 million related to the Oxford facility were accounted for as a loss on extinguishment of debt in March 2020.

14.     COMMON STOCK

Common Stock Offering

On February 2, 2021, we closed on our public offering and sale (the “Offering) of our common stock in which we issued and sold 5,566,000 shares of our common stock, which included shares pursuant to an option granted to underwriters to purchase additional shares, at a public offering price of $15.50 per share. We received net proceeds of $80.6 million after deducting underwriting discounts, commissions and offering expenses.

Common Stock

The following table summarizes the total number of shares of the Company’s common stock issued and reserved for issuance as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30, 2021	December 31, 2020
Shares of common stock issued	26,335	19,114
Shares of common stock reserved for issuance for:
Common stock warrants outstanding	75	105
Stock options outstanding	1,567	2,365
Restricted stock units outstanding	2,042	1,860
Shares available for grant under stock incentive plan	2,101	1,530
Shares available for sale under employee stock purchase plan	799	608
Total shares of common stock issued and reserved for issuance	32,919	25,582

Common Stock Warrants

The following tables summarize the Company’s outstanding common stock warrants as of September 30, 2021, and December 31, 2020:

September 30, 2021
Warrants
Outstanding
(in thousands)	Exercise Price		Expiration Date
14	$	19.55	Dec-2022
20	$	9.73	Aug-2023
20	$	9.73	Mar-2024
21	$	9.73	Dec-2024
75

18

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

December 31, 2020
Warrants
Outstanding
(in thousands)	Exercise Price		Expiration Date
14	$	19.55	Dec-2022
30	$	9.73	Feb-2021
20	$	9.73	Aug-2023
20	$	9.73	Mar-2024
21	$	9.73	Dec-2024
105

15.     LOSS PER SHARE

The Company’s basic loss per common share is computed by dividing the net loss by the weighted-average number of shares of common stock outstanding during the period. The Company’s restricted stock awards (non-vested shares) are issued and outstanding at the time of grant but are excluded from the Company’s computation of weighted-average shares outstanding in the determination of basic loss per share until vesting occurs.

A net loss cannot be diluted, so when the Company is in a net loss position, basic and diluted loss per common share are the same. If in the future the Company achieves profitability, the denominator of a diluted earnings per common share calculation will include both the weighted-average number of shares outstanding and the number of common stock equivalents, if the inclusion of such common stock equivalents would be dilutive. Dilutive common stock equivalents potentially include warrants, stock options, non-vested restricted stock units and non-vested performance restricted stock units using the treasury stock method, along with the effect, if any, from the potential conversion of outstanding securities, such as convertible preferred stock.

The following potentially dilutive securities outstanding as of September 30, 2021 and 2020 have been excluded from the denominator of the diluted loss per share of common stock outstanding calculation (in thousands):

	September 30,
	2021	2020
Stock options	1,567	2,594
Non-vested performance restricted stock units	395	500
Non-vested restricted stock units	1,647	1,850
Common stock warrants	75	105

16.     SHARE-BASED COMPENSATION

The amount of share-based compensation expense recognized by the Company by location in its statements of operations for the three and nine months ended September 30, 2021 and 2020 is as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of revenues	$	23	$	17	$	56	$	48
Sales and marketing		515		370		1,608		1,036
General and administrative		1,368		572		4,368		1,440
Research and development		55		87		134		364
Total	$	1,961	$	1,046	$	6,166	$	2,888

19

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

2018 Equity Incentive Plan

In June 2018, the Company adopted the 2018 Equity Incentive Plan, or 2018 Plan, which authorized the issuance of up to 1.4 million shares, subject to an annual 4% increase based on the number of shares of common stock outstanding, in the form of restricted stock, stock appreciation rights and stock options to the Company’s directors, employees and consultants. The amount and terms of grants are determined by the Company’s board of directors. All stock options granted to date have had exercise prices equal to the fair value, as determined by the closing price as reported by the Nasdaq Global Market, of the underlying common stock on the date of grant. The contractual term of stock options is up to 10 years, and stock options are exercisable in cash or as otherwise determined by the board of directors. Generally, stock options vest 25% upon the first anniversary of the date of grant and the remainder ratably monthly thereafter for 36 months. Restricted stock units generally vest ratably in three equal installments on the first, second and third anniversaries of the grant date. Performance restricted stock units (“PRSUs”) generally vest based on appreciation of the Company’s common stock to a certain price as determined by the Company’s board of directors measured using a trailing 30-day volume weighted average price of a share of the Company’s common stock. The fair value of the PRSU awards are determined using a risk neutral Monte Carlo simulation valuation model. As of September 30, 2021, there were 2.0 million shares available for future issuance under the 2018 Plan.

2020 Inducement Incentive Plan

In December 2020, the Company adopted the 2020 Inducement Incentive Plan, which authorized the issuance of up to 0.4 million shares in the form of stock options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance stock awards and other stock awards to eligible employees who satisfy the standards for inducement grants under Nasdaq global market rules. An individual who previously served as an employee or director of the Company is not eligible to receive awards under this plan. The amount and terms of grants are determined by the Company’s board of directors. As of September 30, 2021, there were 0.1 million shares available for future issuance under the 2020 Inducement Incentive Plan.

Stock Options

The following table summarizes the Company’s stock option activity for the nine months ended September 30, 2021:

					Aggregate
	Number of	Weighted-		Weighted-	average
	Shares under	average		Remaining	Intrinsic
	Option	Exercise Price		Contractual	Value
	(in thousands)	per Option		Life (in years)	(in thousands)
Outstanding at December 31, 2020	2,365	$	4.62
Granted	—	$	—
Exercised	(669)	$	4.01
Forfeited	(129)	$	14.93
Outstanding at September 30, 2021	1,567	$	4.19	7.6	$	5,611
Exercisable at September 30, 2021	733	$	5.16	6.5	$	2,280
Vested and expected to vest at September 30, 2021	1,567	$	4.19	7.6	$	5,611

The Company recognized share-based compensation expense related to stock options of $0.2 million and $0.3 million for the three months ended September 30, 2021 and 2020, respectively, and $0.6 million and $1.2 million for the nine months ended September 30, 2021 and 2020, respectively. As of September 30, 2021, there was $1.5 million of total unrecognized compensation cost related to non-vested

20

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

stock options which the Company expects to recognize over a weighted-average period of 2.2 years. The total intrinsic value of stock options exercised during the nine months ended September 30, 2021 was $8.1 million.

Restricted Stock Units and Performance Restricted Stock Units

The following table summarizes the Company’s restricted stock unit and performance restricted stock unit activity for September 30, 2021:

	Non-vested		Weighted-	Non-vested		Weighted-
	Restricted		average	Performance Restricted		average
	Stock Units		Grant-date	Stock Units		Grant-date
	(in thousands)		Fair Value	(in thousands)		Fair Value
Non-vested at December 31, 2020	1,860	$	3.58	500	$	1.71
Granted	846	$	12.72	145	$	15.59
Vested	(741)	$	3.54	(250)	$	1.77
Forfeited	(318)	$	7.42	—	$	—
Non-vested at September 30, 2021	1,647	$	7.55	395	$	6.77

The Company recognized $1.8 million and $0.6 million in share-based compensation expense related to the restricted stock units and performance restricted stock units for the three months ended September 30, 2021 and 2020, respectively, and $5.5 million and $1.7 million the nine months ended September 30, 2021 and 2020, respectively. As of September 30, 2021, there was $10.5 million of unrecognized compensation cost related to non-vested restricted stock units and performance restricted stock units, which the Company expects to recognize over a weighted-average period of 2.2 years. The total fair value at the vesting date of restricted stock units and performance restricted stock units vested during the nine months ended September 30, 2021, was $13.9 million.

For the period ended September 30, 2021 and December 31, 2020, the grant-date fair value of the performance restricted stock units was estimated at the time of grant using the following inputs and assumptions in the Monte Carlo simulation valuation model:

	September 30, 2021				December 31, 2020
Closing price of common stock	$	15.92		$	1.98
Risk-free interest rate		1.15	%		0.63	%
Expected volatility		99.7	%		87.4	%

17.     COMMITMENTS AND CONTINGENCIES

Legal Matters

The Company is subject from time to time to various claims and legal actions arising during the ordinary course of its business. Management believes that there are currently no claims or legal actions that would reasonably be expected to have a material adverse effect on the Company’s results of operations, financial condition, or cash flows.

18.    GEOGRAPHICAL SEGMENT INFORMATION

Operating segments are defined as components of an enterprise about which separate discrete information is available for evaluation by the chief operating decision maker, or decision-making group, in deciding how to allocate resources and in assessing performance. The Company currently operates in one business segment as it is managed and operated as one business. A single management team that reports to the chief operating decision maker comprehensively manages the entire business. The Company does not operate any

21

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

material separate lines of business or separate business entities with respect to its products or product development.

The following geographic data includes revenue generated from the Company’s third-party distributors. The Company’s revenue was generated in the following geographic regions and by product line for the periods indicated (in thousands):

	Revenues by Geography
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
United States	$	13,280	96	%	$	12,029	97	%
International		519	4	%		419	3	%
Total revenues	$	13,799	100	%	$	12,448	100	%

	U.S. Revenues by Product Category
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	2,612	20	%	$	2,541	21	%
Treatment sessions		10,259	77	%		9,083	76	%
Other		409	3	%		405	3	%
Total U.S. revenues	$	13,280	100	%	$	12,029	100	%

	International Revenues by Product Category
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	306	59	%	$	222	53	%
Treatment sessions		90	17	%		99	24	%
Other		123	24	%		98	23	%
Total International revenues	$	519	100	%	$	419	100	%

	Revenues by Geography
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
United States	$	38,891	97	%	$	32,473	96	%
International		1,399	3	%		1,192	4	%
Total revenues	$	40,290	100	%	$	33,665	100	%

22

NEURONETICS, INC.

Notes to Interim Financial Statements

(Unaudited)

	U.S. Revenues by Product Category
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	6,945	18	%	$	7,474	23	%
Treatment sessions		30,688	79	%		23,823	73	%
Other		1,258	3	%		1,176	4	%
Total U.S. revenues	$	38,891	100	%	$	32,473	100	%

	International Revenues by Product Category
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	797	57	%	$	632	53	%
Treatment sessions		235	17	%		291	24	%
Other		367	26	%		269	23	%
Total International revenues	$	1,399	100	%	$	1,192	100	%

19.     SEVERANCE

On April 8, 2020, the Company took action to reduce expenses through a reduction in force (“RIF”). As part of this action the Company terminated 95 employees who received separation benefits upon their termination. During the second quarter of 2020, the Company recorded a separation-related charge for the RIF equal to the fair value of the terminated employees benefits as of the communication date in the amount of $2.1 million. This amount was paid out during the quarter with the final payoff occurring on June 15, 2020.

The Company entered into transition agreements outlining the separation with its former chief executive officer in March 2020, the vice president of medical operations in September 2020, the chief commercial officer and director of medical operations in December 2020, the VP of sales and five business development managers in January 2021, the director of strategic clinical development in February 2021, and the vice president of marketing in August 2021. In connection with these agreements, the Company recorded $0.3 million and $0.2 million of charges in salary, payroll tax and bonus expenses for the three months ended September 30, 2021 and 2020, respectively, and $0.5 million and $1.3 million for the nine months ended September 30, 2021 and 2020, respectively. For the nine months ended September 30, 2021 and 2020, $1.1 million and $0.5 million of termination benefits were paid associated with the termination of the employees and charged against this liability. As of September 30, 2021 and December 31, 2020, $0.3 million and $1.0 million, respectively, remain in accrued liabilities for the unpaid portion of the separation benefits.

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Item 2.     Management’s Discussion and Analysis of Financial Condition and Results of Operations.

The following discussion and analysis of our financial condition and results of operations, as well as other sections in this Quarterly Report on Form 10-Q, should be read in conjunction with our unaudited interim financial statements and related notes thereto included elsewhere herein. In addition to historical financial information, some of the information contained in the following discussion and analysis contains forward-looking statements within the meaning of Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. All statements other than statements of historical facts, including statements regarding our future results of operations and financial position, business strategy, current and prospective products, product approvals, research and development costs, current and prospective collaborations, timing and likelihood of success, plans and objectives of management for future operations and future results of current and anticipated products, are forward-looking statements. These statements involve known and unknown risks, uncertainties, assumptions and other important factors that may cause our actual results, performance or achievements to be materially different from any future results, performance or achievements expressed or implied by the forward-looking statements. These risks and uncertainties include, without limitation, risks and uncertainties related to: the ongoing impact of the novel coronavirus, or COVID-19, pandemic on general political and economic uncertainty, including as a result of efforts by governmental authorities to mitigate the COVID-19 pandemic and the related impact on resource allocations, manufacturing and supply chains and patient access to commercial products; our ability to execute our business continuity as well as our operational and budget plans in light of the COVID-19 pandemic; our ability to achieve or sustain profitable operations due to our history of losses; our reliance on the sale and usage of our NeuroStar Advanced Therapy System to generate revenues; the scale and efficacy of our salesforce; availability of coverage and reimbursement from third-party payors for treatments using our products; physician and patient demand for treatments using our products; developments in respect of competing technologies and therapies for the indications that our products treat; product defects; our ability to obtain and maintain intellectual property protection for our technology; developments in clinical trials or regulatory review of NeuroStar Advanced Therapy System for additional indications; and developments in regulation in the United States and other applicable jurisdictions. For a discussion of these and other related risks, please refer to our recent SEC filings which are available on the SEC’s website at www.sec.gov. These forward-looking statements are based on our expectations and assumptions as of the date of this Quarterly Report on Form 10-Q. Except as required by law, we undertake no duty or obligation to update any forward-looking statements contained in this Quarterly Report on Form 10-Q as a result of new information, future events or changes in our expectations.

In some cases, you can identify forward-looking statements by terms such as “may,” “will,” “should,” “expect,” “plan,” “anticipate,” “could,” “intend,” “target,” “project,” “contemplates,” “believes,” “estimates,” “predicts,” “potential” or “continue” or the negative of these terms or other similar expressions. The forward-looking statements in this Quarterly Report on Form 10-Q are only predictions. We have based these forward-looking statements largely on our current expectations and projections about future events and financial trends that we believe may affect our business, financial condition and results of operations. These forward-looking statements speak only as of the date of this Quarterly Report on Form 10-Q and are subject to a number of risks, uncertainties and assumptions described in “Risk Factors” and “Management’s Discussion and Analysis of Financial Condition and Results of Operations” in our Annual Report on Form 10-K filed with the SEC, on March 2, 2021. The events and circumstances reflected in our forward-looking statements may not be achieved or occur and actual results could differ materially from those projected in the forward-looking statements. Moreover, we operate in an evolving environment. New risk factors and uncertainties may emerge from time to time, and it is not possible for us to predict all risk factors and uncertainties. Except as required by applicable law, we do not plan to publicly update or revise any forward-looking statements contained herein, whether as a result of any new information, future events, changed circumstances or otherwise.

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Overview

We are a commercial stage medical technology company focused on designing, developing and marketing products that improve the quality of life for patients who suffer from psychiatric disorders. Our first commercial product, the NeuroStar® Advanced Therapy System, is a non-invasive and non-systemic office-based treatment that uses transcranial magnetic stimulation, or TMS, to create a pulsed, MRI-strength magnetic field that induces electrical currents designed to stimulate specific areas of the brain associated with mood. The system is cleared by the United States Food and Drug Administration, or FDA, to treat adult patients with major depressive disorder, or MDD, that have failed to achieve satisfactory improvement from prior antidepressant medication in the current MDD episode. NeuroStar Advanced Therapy is also available in other parts of the world, including Japan, where it is listed under Japan’s national health insurance. NeuroStar Advanced Therapy is safe, clinically effective, reproducible and precise and we believe is supported by the largest clinical data set of any competing TMS system. We are the market leader in TMS therapy based on the estimated 115,935 global patients treated with over 4.0 million of our treatment sessions through such date. We generated revenues of $13.8 million and $12.4 million for the three months ended September 30, 2021 and 2020, respectively, and $40.3 million and $33.7 million for the nine months ended September 30, 2021 and 2020, respectively.

We designed the NeuroStar Advanced Therapy System as a non-invasive therapeutic alternative to treat patients who suffer from MDD and to address many of the key limitations of other treatment options. We generate revenues from initial capital sales of our systems, recurring Treatment Sessions and service and repair and extended warranty contracts. We derive the majority of our revenues from recurring Treatment Sessions. For the three months ended September 30, 2021, revenues from sales of our Treatment Sessions and NeuroStar Advanced Therapy Systems represented 77% and 20% of our U.S. revenues, respectively, and 79% and 18% for the nine months ended September 30, 2021 and 2020 of our U.S. revenues, respectively.

We currently sell our NeuroStar Advanced Therapy System and recurring Treatment Sessions in the United States with the collaborative support of our 165 employees as of September 30, 2021. Our sales force targets an estimated 50,000 psychiatrists across 26,000 psychiatric practices in the United States, based on data from Symphony Health and our own internal estimates that treat approximately 42% of the total MDD patients in the United States who meet our labeled indication and are insured. Some of our customers have and may purchase more than one NeuroStar Advanced Therapy System. Based on our commercial data, on average, we believe our customers can recoup their initial capital investment in our system by providing a standard course of treatment to approximately 12 patients. We believe psychiatrists can generate approximately $7,500 to $10,000 of revenue per patient for a standard course of treatment, which may provide meaningful incremental income to their practices. We have a diverse customer base of psychiatrists in group psychiatric practices in the United States. For the three and nine months ended September 30, 2021, one customer accounted for more than 10% of our revenues.

We market our products in a few select markets outside the United States through independent distributors. International revenues represented 4% and 3% of our total revenues for the three months ended September 30, 2021 and 2020, respectively, and 3% and 4% for the nine months ended September 30, 2021 and 2020, respectively. In October 2017, we entered into an exclusive distribution agreement with Teijin Pharma Limited, or Teijin, for the distribution of our NeuroStar Advanced Therapy Systems and Treatment Sessions to customers who will treat patients with MDD in Japan. We received regulatory approval for our system in Japan in September 2017 and we received the initial reimbursement of JPY 12,000 per Treatment Session, which went into effect on June 1, 2019. We expect our international revenues to increase over time as a percentage of our total revenues as we grow system placements and utilization in Japan.

Our research and development efforts are focused on the following: hardware and software product developments and enhancements of our NeuroStar Advanced Therapy System and clinical development relating to expansion of our label and additional indications, which may include bipolar depression and post-traumatic stress disorder. We outsource the manufacture of components of our NeuroStar Advanced Therapy

25

Systems that are produced to our specifications, and individual components are either shipped directly from our third-party contract manufacturers to our customers or consolidated into pallets at our Malvern, Pennsylvania facility prior to shipment. Final installation of these systems occurs at the customer site.

Our total revenues increased by $1.4 million, or 11%, from $12.4 million for the three months ended September 30, 2020 to $13.8 million for the three months ended September 30, 2021 and increased by $6.6 million, or 20%, from $33.7 million for the nine months ended September 30, 2020 to $40.3 million for the nine months ended September 30, 2021. For the three and nine months ended September 30, 2021, our U.S. revenues were $13.3 million and $38.9 million compared to $12.0 million and $32.5 million for three and nine months ended September 30, 2020, which represents an increase of 10% and 20% period over period. The increase was primarily attributable to an increase in U.S. treatment session revenue period over period. We incurred net losses of $8.2 million and $23.6 million for the three and nine months ended September 30, 2021 compared to net losses of $3.4 million and $23.8 million for three and nine months ended September 30, 2020. We expect to continue to incur losses for the next several years as we invest in our commercial organization to support our planned sales growth and while continuing to invest in our pipeline indications. As of September 30, 2021, we had an accumulated deficit of $301.1 million.

COVID-19

Throughout 2020 and the nine months ended September 30, 2021, the Company experienced a material impact to revenue, particularly with regards to U.S. treatment session revenues as a result of the COVID-19 pandemic. The Company expects that capital equipment sales and treatment session revenues will continue to be materially impacted by this pandemic as customers are deferring capital purchase decisions and new patient treatment starts. System utilization has also declined compared to pre-COVID-19 projections.

We have monitored the impact of the COVID-19 pandemic on all aspects of our business and geographies, including how it has and will continue to impact the Company’s customers, supply chain, employees and other business partners. While we experienced significant disruptions in 2020 and the nine months ended September 30, 2021 from the COVID-19 pandemic, we are unable to predict the ultimate impact that the COVID-19 pandemic may have on our financial condition, results of operations and cash flows due to numerous uncertainties. These uncertainties include the scope, severity and duration of the ongoing pandemic, the actions taken to contain the pandemic or mitigate its impact and the direct and indirect economic effects of the pandemic, vaccination rates and containment measures, among others. The outbreak of COVID-19 in many countries, including the United States, has significantly adversely impacted global economic activity.

The situation surrounding the COVID-19 pandemic remains fluid, and we are actively managing our response in collaboration with business partners and assessing potential impacts to our financial position and operating results, as well as potential adverse developments in our business. For further information regarding the impact of COVID-19 on the Company, see Part II, Item 1A titled “Risk Factors” of our Quarterly Report on Form 10-Q for the period ended September 30, 2021.

Components of Our Results of Operations

Revenues

To date, we have generated revenues primarily from the capital portion of our business and related sales and rentals of the NeuroStar Advanced Therapy System and the recurring revenues from our sale of treatment sessions in the United States.

NeuroStar Advanced Therapy System Revenues. NeuroStar Advanced Therapy System revenues consist primarily of sales or rentals of a capital component, including upgrades to the equipment attributable to the initial sale of the system. NeuroStar Advanced Therapy Systems can be purchased outright or on a rent-to-own basis by certain customers.

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Treatment Session Revenues. Treatment session revenues primarily include sales of NeuroStar Treatment Sessions and SenStar treatment links. The NeuroStar Treatment Sessions are access codes that are delivered electronically in the United States. The SenStar treatment links are disposable units containing single-use access codes that are sold and used outside the United States. Access codes are purchased separately by our customers, primarily on an as-needed basis, and are required by the NeuroStar Advanced Therapy System in order to deliver treatment sessions.

Other Revenues. Other revenues are derived primarily from service and repair and extended warranty contracts with our existing customers.

We refer you to the section titled “Critical Accounting Policies and Use of Estimates—Revenue Recognition” appearing in our Form 10-K filed with the SEC on March 2, 2021. We also refer you to “Note 3. Summary of Significant Accounting Policies.”

Cost of Revenues and Gross Margin

Cost of revenues primarily consists of the costs of components and products purchased from our third-party contract manufacturers of our NeuroStar Advanced Therapy Systems as well as the cost of treatment packs for individual treatment sessions. We use third-party contract manufacturing partners to produce the components for and assemble the completed NeuroStar Advanced Therapy Systems. Cost of revenues also includes costs related to personnel, royalties, warranty, shipping, and our operations and field service departments. We expect our cost of revenues to increase in absolute dollars as and to the extent our revenues grow.

Our gross profit is calculated by subtracting our cost of revenues from our revenues. We calculate our gross margin as our gross profit divided by our revenues. Our gross margin has been and will continue to be affected by a variety of factors, primarily product sales mix, pricing and third-party contract manufacturing costs. Our gross margins on revenues from sales of NeuroStar Advanced Therapy Systems are lower than our gross margins on revenues from sales of treatment sessions and, as a result, the sales mix between NeuroStar Advanced Therapy Systems and treatment sessions can affect the gross margin in any reporting period.

Sales and Marketing Expenses

Sales and marketing expenses consist of market research and commercial activities related to the sale of our NeuroStar Advanced Therapy Systems and treatment sessions and salaries and related benefits, sales commissions and share-based compensation for employees focused on these efforts. Other significant sales and marketing costs include conferences and trade shows, promotional and marketing activities, including direct and online marketing, practice support programs, travel and training expenses.

We anticipate that our sales and marketing expenses will increase as we continue to execute on our growth initiatives and expand our business in the United States.

General and Administrative Expenses

General and administrative expenses consist primarily of personnel expenses, including salaries and related benefits, share-based compensation and travel expenses, for employees in executive, finance, information technology, legal and human resource functions. General and administrative expenses also include the cost of insurance, outside legal fees, accounting and other consulting services, audit fees from our independent registered public accounting firm, board of directors’ fees and other administrative costs, such as corporate facility costs, including rent, utilities, depreciation and maintenance not otherwise included in cost of revenues.

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We anticipate that our general and administrative expenses will increase in fiscal year 2021 from fiscal year 2020.

Research and Development Expenses

Research and development expenses consist primarily of personnel expenses, including salaries and related benefits and share-based compensation for employees in clinical development, product development, regulatory and quality assurance functions, as well as expenses associated with outsourced professional scientific development services and costs of investigative sites and consultants that conduct our preclinical and clinical development programs. We typically use our employee, consultant and infrastructure resources across our research and development programs.

We plan to incur research and development expenses for the near future as we expect to continue our development of TMS Therapy for the treatment of additional patient populations and new indications, which may include bipolar depression, post-traumatic stress disorder and potential other clinical indications yet to be determined, as well as for various hardware and software development projects. As a result, we expect our research and development expenses to remain similar to our fiscal year 2020 expenses.

Interest Expense

Interest expense consists of cash interest payable under our credit facility and non-cash interest attributable to the accrual of final payment fees and the amortization of deferred financing costs related to our indebtedness.

Other Income, Net

Other income, net consists primarily of interest income earned on our money market account balances.

Results of Operations

Comparison of the three months ended September 30, 2021 and 2020

	Three Months Ended
	September 30,						Increase / (Decrease)
	2021			2020			Dollars		Percentage
	(in thousands, except percentages)
Revenues	$	13,799		$	12,448		$	1,351	11	%
Cost of revenues		3,144			2,657			487	18	%
Gross Profit		10,655			9,791			864	9	%
Gross Margin		77.2	%		78.7	%
Operating expenses:
Sales and marketing		9,827			6,053			3,774	62	%
General and administrative		6,435			4,210			2,225	53	%
Research and development		1,575			1,952			(377)	(19)	%
Total operating expenses		17,837			12,215			5,622	46	%
Loss from Operations		(7,182)			(2,424)			(4,758)	(196)	%
Other (income) expense:
Interest expense		993			1,002			(9)	(1)	%
Other income, net		(24)			(8)			(16)	200	%
Net Loss	$	(8,151)		$	(3,418)		$	(4,733)	(138)	%

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	Revenues by Geography
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
United States	$	13,280	96	%	$	12,029	97	%
International		519	4	%		419	3	%
Total revenues	$	13,799	100	%	$	12,448	100	%

	U.S. Revenues by Product Category
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	2,612	20	%	$	2,541	21	%
Treatment sessions		10,259	77	%		9,083	76	%
Other		409	3	%		405	3	%
Total U.S. revenues	$	13,280	100	%	$	12,029	100	%

	U.S. NeuroStar Advanced Therapy System
	Revenues by Type
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Capital	$	2,277	87	%	$	2,438	96	%
Operating lease		30	1	%		88	3	%
Other		305	12	%		15	1	%
Total United States NeuroStar Advanced Therapy System revenues	$	2,612	100	%	$	2,541	100	%

Revenues

Total revenue for the three months ended September 30, 2021 was $13.8 million, an increase of 11% compared to the three months ended September 30, 2020 revenue of $12.4 million. During the quarter, total U.S. revenue increased by 10% and international revenue increased by 24% over the prior year quarter. The U.S. revenue growth was driven by an increase in U.S. treatment session revenue and the international revenue growth was driven by an increase in international NeuroStar Advanced Therapy System sales.

U.S. NeuroStar Advanced Therapy System revenue for the three months ended September 30, 2021 was $2.6 million, an increase of 3% compared to the three months ended September 30, 2020 revenue of $2.5 million. For the three months ended September 30, 2021 and 2020, the Company sold 33 and 39 systems, respectively, during each period. Additionally, for the three months ended September 30, 2021, the Company executed 7 operating lease agreements.

U.S. treatment session revenue for the three months ended September 30, 2021 was $10.3 million, an increase of 13% compared to the three months ended September 30, 2020 revenue of $9.1 million. The revenue growth was primarily driven by an increase in treatment session volume over the prior year quarter.

Cost of Revenues and Gross Margin

Cost of revenues increased by $0.4 million, or 18%, from $2.7 million for the three months ended September 30, 2020 to $3.1 million for the three months ended September 30, 2021. Gross margin decreased from 78.7% for the three months ended September 30, 2020 to 77.2% for the three months ended

29

September 30, 2021. The decrease was primarily a result of increased supply chain costs in the current quarter compared to the prior year quarter.

Sales and Marketing Expenses

Sales and marketing expenses increased by $3.7 million, or 62%, from $6.1 million for the three months ended September 30, 2020 to $9.8 million for the three months ended September 30, 2021. The increase was primarily due to marketing and sales expenses, digital paid media costs, travel expenses and trade show costs incurred in the current period versus the prior year quarter.

General and Administrative Expenses

General and administrative expenses increased by $2.2 million, or 53%, from $4.2 million for the three months ended September 30, 2020 to $6.4 million for the three months ended September 30, 2021. The increase was primarily due to increased personnel expenses, including salary and share based compensation, IT consulting costs and insurance premiums in the current period versus the prior year quarter.

Research and Development Expenses

Research and development expenses decreased by $0.4 million, or 19%, from $2.0 million for the three months ended September 30, 2020 to $1.6 million for the three months ended September 30, 2021. The decrease was primarily due to reduced clinical and product development personnel expenses offset by an increase in regulatory costs in the current period versus the prior year quarter.

Interest Expense

Interest expense remained constant from $1.0 million for the three months ended September 30, 2020 to $1.0 million for the three months ended September 30, 2021.

Other Income, Net

Other income, net increased by $0.01 million from $0.01 million for the three months ended September 30, 2020 to $0.02 million for the three months ended September 30, 2021, primarily as a result of increased interest income earned on the Company’s money market accounts.

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Comparison of the nine months ended September 30, 2021 and 2020

	Nine Months Ended
	September 30,						Increase / (Decrease)
	2021			2020			Dollars		Percentage
	(in thousands, except percentages)
Revenues	$	40,290		$	33,665		$	6,625	20	%
Cost of revenues		8,115			7,791			324	4	%
Gross Profit		32,175			25,874			6,301	24	%
Gross Margin		79.9	%		76.9	%
Operating expenses:
Sales and marketing		27,431			24,926			2,505	10	%
General and administrative		19,220			13,508			5,712	42	%
Research and development		6,179			7,089			(910)	(13)	%
Total operating expenses		52,830			45,523			7,307	16	%
Loss from Operations		(20,655)			(19,649)			(1,006)	(5)	%
Other (income) expense:
Interest expense		2,955			3,511			(556)	(16)	%
Loss on extinguishment of debt		—			924			(924)	100	%
Other income, net		(53)			(288)			235	82	%
Net Loss	$	(23,557)		$	(23,796)		$	239	1	%

	Revenues by Geography
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
United States	$	38,891	97	%	$	32,473	96	%
International		1,399	3	%		1,192	4	%
Total revenues	$	40,290	100	%	$	33,665	100	%

	U.S. Revenues by Product Category
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	6,945	18	%	$	7,474	23	%
Treatment sessions		30,688	79	%		23,823	73	%
Other		1,258	3	%		1,176	4	%
Total U.S. revenues	$	38,891	100	%	$	32,473	100	%

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	U.S. NeuroStar Advanced Therapy System
	Revenues by Type
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Capital	$	6,307	91	%	$	7,072	95	%
Operating lease		194	3	%		358	5	%
Other		444	6	%		44	1	%
Total United States NeuroStar Advanced Therapy System revenues	$	6,945	100	%	$	7,474	100	%

Revenues

Total revenue for the nine months ended September 30, 2021 was $40.3 million, an increase of 20% compared to the nine months ended September 30, 2020 revenue of $33.7 million. During the nine months ended September 30, 2021, total U.S. revenue increased by 20% and international revenue increased by 17% over the nine months ended September 30, 2020. The U.S. revenue growth was driven by an increase in U.S. treatment session revenue and the international revenue growth was driven by an increase in NeuroStar Advanced Therapy System sales.

U.S. NeuroStar Advanced Therapy System revenue for the nine months ended September 30, 2021 was $6.9 million, a decrease of 7% compared to the nine months ended September 30, 2020 revenue of $7.5 million. The decrease was primarily driven by a lower number of NeuroStar systems sold in the nine months ended September 30, 2021, which was partially offset by an increase in the blended NeuroStar system average selling price over the nine months ended September 30, 2020. For the nine months ended September 30, 2021 and 2020, the Company sold 92 and 112 systems, respectively, during each period. Additionally, for the nine months ended September 30, 2021, the Company executed 7 operating lease agreements.

U.S. treatment session revenue for the nine months ended September 30, 2021 was $30.7 million, an increase of 29% compared to the nine months ended September 30, 2020 revenue of $23.8 million. The revenue growth was primarily driven by an increase in treatment session volume period over period.

Cost of Revenues and Gross Margin

Cost of revenues increased by $0.3 million, or 4%, from $7.8 million for the nine months ended September 30, 2020 to $8.1 million for the nine months ended September 30, 2021. Gross margin increased from 76.9% for the nine months ended September 30, 2020 to 79.9% for the nine months ended September 30, 2021. The increase was primarily a result of a change in the product mix of revenues versus the prior year period.

Sales and Marketing Expenses

Sales and marketing expenses increased by $2.5 million, or 10%, from $24.9 million for the nine months ended September 30, 2020 to $27.4 million for the nine months ended September 30, 2021. The increase was primarily due to marketing and sales expenses, digital paid media costs, travel expenses and trade show costs versus the prior year period.

General and Administrative Expenses

General and administrative expenses increased by $5.7 million, or 42%, from $13.5 million for the nine months ended September 30, 2020 to $19.2 million for the nine months ended September 30, 2021. The increase was primarily due to increased personnel expenses related to bonus, salary and share based compensation versus the prior year period.

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Research and Development Expenses

Research and development expenses decreased by $0.9 million, or 13%, from $7.1 million for the nine months ended September 30, 2020 to $6.2 million for the nine months ended September 30, 2021. The decrease was primarily due to reduced clinical and product development personnel expenses offset by an increase in regulatory costs versus the prior year period.

Interest Expense

Interest expense decreased by $0.5 million, or 16%, from $3.5 million for the nine months ended September 30, 2020 to $3.0 million for the nine months ended September 30, 2021. The decrease in interest expense was due to the loss on extinguishment of debt charge recognized in the first quarter of 2020 as part of Oxford debt facility. Refer to “Note 13. Debt” in the financial statements included in this Quarterly Report on Form 10-Q for information regarding the Oxford debt facility.

Other Income, Net

Other income, net decreased by $0.2 million, or 82%, from $0.3 million for the nine months ended September 30, 2020 to $0.1 million for the nine months ended September 30, 2021, primarily as a result of decreased interest income earned on the Company’s money market accounts.

Liquidity and Capital Resources

Overview

On February 2, 2021, we closed on the Offering of our common stock in which we issued and sold 5,566,000 shares of our common stock, which included shares pursuant to an option granted to underwriters to purchase additional shares, at a public offering price of $15.50 per share. We received net proceeds of $80.6 million after deducting underwriting discounts, commissions and offering expenses.

As of September 30, 2021, we had cash and cash equivalents of $99.4 million and an accumulated deficit of $301.1 million, compared to cash and cash equivalents of $49.0 million and an accumulated deficit of $277.5 million as of December 31, 2020. We incurred negative cash flows from operating activities of $23.5 million and $26.7 million for the nine months ended September 30, 2021 and 2020, respectively. We have incurred operating losses since our inception, and we anticipate that our operating losses will continue in the near term as we seek to expand our sales and marketing initiatives to support our growth in existing and new markets, invest funds in additional research and development activities and utilize cash for other corporate purposes. Our primary sources of capital to date have been from our IPO, private placements of our convertible preferred securities, borrowings under our credit facilities, sales of our products and other public offerings of our common stock. As of September 30, 2021, the Company had $35.0 million of borrowings outstanding under its credit facility, which has a final maturity in February 2025. As discussed in Note 13, the outstanding balance under the credit facility is classified as a current liability as of September 30, 2021. Management believes that the Company’s cash and cash equivalents as of September 30, 2021 and anticipated revenues from sales of its products are sufficient to fund the Company’s operations for at least 12 months from the issuance of these financial statements.

If our cash and cash equivalents and anticipated revenues from sales or our products are insufficient to satisfy our liquidity requirements, we may seek to sell additional common or preferred equity or debt securities or enter into a new credit facility or another form of third-party funding or seek other debt financing. If we raise additional funds by issuing equity or equity-linked securities, our stockholders would experience dilution and any new equity securities could have rights, preferences and privileges superior to those of holders of our common stock. Debt financing, if available, may involve covenants restricting our operations or our ability to incur additional debt. We cannot be assured that additional equity, equity-linked or debt financing will be available on terms favorable to us or our stockholders, or at all. It is also possible that we may allocate significant amounts of capital towards products or technologies for which market demand is lower than

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expected and, as a result, abandon such efforts. If we are unable to maintain our current financing or obtain adequate additional financing when we require it, or if we obtain financing on terms which are not favorable to us, or if we expend capital on products or technologies that are unsuccessful, our ability to continue to support our business growth and to respond to business challenges could be significantly limited, or we may be required to delay the development, commercialization and marketing of our products.

Our current and future funding requirements will depend on many factors, including:

● the impact of COVID-19 and related governmental responses;

● our ability to achieve revenue growth and improve operating margins;

● our ability to execute on our new sales and marketing strategy

● compliance with the terms and conditions, including covenants, set forth in our credit facility;

● the cost of expanding our operations and offerings, including our sales and marketing efforts;

● our ability to improve or maintain coverage and reimbursement arrangements with domestic third-party and government payors, particularly in Japan;

● our rate of progress in establishing coverage and reimbursement arrangements from international commercial third-party and government payors;

● our rate of progress in, and cost of the sales and marketing activities associated with, establishing adoption of our products and maintaining or improving our sales to our current customers;

● the cost of research and development activities, including research and development relating to additional indications, which may include bipolar depression;

● the effect of competing technological and market developments;

● costs related to international expansion; and

● the potential cost of and delays in product development as a result of any regulatory oversight applicable to our products.

Cash Flows

The following table sets forth a summary of our cash flows for the nine months ended September 30, 2021 and 2020:

	Nine Months Ended September 30,
	2021		2020
	(in thousands)
Net Cash Used in Operating Activities	$	(23,459)	$	(26,687)
Net Cash Used in Investing Activities		(9,038)		(615)
Net Cash Provided by Financing Activities		82,974		2,313
Net Increase (Decrease) in Cash and Cash Equivalents	$	50,477	$	(24,989)

Net Cash Used in Operating Activities

Net cash used in operating activities for the nine months ended September 30, 2021 was $23.5 million, consisting primarily of a net loss of $23.6 million and an increase in net operating assets of $7.5 million, partially offset by non-cash charges of $7.6 million. The increase in net operating assets was primarily due to

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increases in accounts receivable and inventory and decreases in accounts payable and accrued expenses as a result of timing and the 2021 payment of the 2020 bonus compensation accrued as of December 31, 2020. Non-cash charges consisted of depreciation and amortization, non-cash interest expense, share-based compensation, and the cost of rental units purchased by customers.

Net cash used in operating activities for the nine months ended September 30, 2020 was $26.7 million, consisting primarily of a net loss of $23.8 million and a decrease in net operating liabilities of $8.4 million, partially offset by non-cash charges of $5.5 million. The decrease in net operating liabilities was primarily due to decreases in accounts payable and accrued expenses as a result of timing and the 2020 payments of 2019 incentive compensation and commissions accrued as of December 31, 2019. Non-cash charges consisted of loss on debt extinguishment, depreciation and amortization, non-cash interest expense, share-based compensation, and the cost of rental units purchased by customers.

Net Cash Used in Investing Activities

Net cash used in investing activities for the nine months ended September 30, 2021 and 2020 was $9.0 million and $0.6 million, respectively. Net cash used in investing activities for the the nine months ended September 30, 2021 was due to the issuance of our promissory note and purchases of property and equipment and capitalized software costs. Net cash used in investing activities for the the nine months ended September 30, 2020 was due to purchases of property and equipment and capitalized software costs.

Net Cash Provided by Financing Activities

Net cash provided by financing activities for the nine months ended September 30, 2021 was $83.0 million and primarily consisted of additional proceeds from our Offering and cash proceeds related to stock option exercises. Net cash provided by financing activities for the nine months ended September 30, 2020 was $2.3 million and consisted of additional proceeds from our loan refinance and cash proceeds related to stock option exercises.

Indebtedness

Solar Credit Facility

On March 2, 2020, the “Company entered into a loan and security agreement with Solar Capital Ltd., or Solar, as collateral agent, and other lenders defined in the agreement, for a credit facility, or the Solar Facility, that replaced the Company’s previous $35.0 million credit facility with Oxford Finance LLC, or Oxford, and such facility, the Oxford Facility.

The Solar Facility permits the Company to borrow up to an aggregate amount of $50.0 million in two tranches of term loans, a “Term A Loan” and “Term B Loan.” On March 2, 2020, the Company borrowed an aggregate amount of $35.0 million, which was the aggregate amount available under the Term A Loan portion of the Solar Facility. The Term A Loan portion of the Solar Facility matures, and all amounts borrowed thereunder are due, on February 28, 2025. Under the Term B Loan portion of the Solar Facility, the Company is permitted to borrow, at its election, up to an aggregate amount of $15.0 million, (i) upon the Company achieving a specified amount of trailing twelve months net product revenue, and (ii) assuming there has been no event of default under the Solar Facility prior to such election. Once the net product revenue condition has been satisfied, the Company may only make an election to borrow under the Term B Loan portion of the Solar Facility until the earlier of (a) December 15, 2021, (b) 30 days following achievement of the net product revenue condition or (c) the occurrence of an event of default.

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Each of the Term A Loan and Term B Loan accrue interest from the date of borrowing through the date of repayment at a floating per annum rate of interest, which resets monthly and is equal to 7.65% plus the greater of (a) 1.66% or (b) the rate per annum rate published by the Intercontinental Exchange Benchmark Administration Ltd. The Term A Loan and the Term B Loan both include an interest-only period through March 1, 2022, after which time the Company will be required to make monthly payments of principal and interest. Monthly principal payments are to be paid in equal amounts on a pro rata basis to lenders. At the Company’s election, the interest only period may be extended through February 2023 if the Company satisfies a minimum net product revenue covenant through March 1, 2022 and no event of default shall have occurred.

In addition to the principal and interest payments due under the Solar Facility, the Company is required to pay a final payment fee to Solar due upon the earlier of prepayment, acceleration or the maturity date of the Term A Loan or Term B Loan portion of the Solar Facility equal to 5.50% of the principal amount of the term loans actually funded. The Company is accruing the final payment fees using the effective interest rate, with a charge to non-cash interest expense, over the term of borrowing. If the Company prepays either the of the Term A Loan or Term B Loan prior to their respective scheduled maturities, the Company will also be required to pay prepayment fees to Solar equal to 3% of the principal amount of such term loan then-prepaid if prepaid on or before the first anniversary of funding, 2% of the principal amount of such term loan then-prepaid if prepaid after the first anniversary and on or before the second anniversary of funding, or 1% of the principal amount of such term loan then-prepaid if prepaid after the second anniversary of funding of the principal amounts borrowed.

The Company is also required to pay Solar an exit fee upon the occurrence, prior to March 2, 2030, of (a) any liquidation, dissolution or winding up of the Company, (b) transaction that results in a person obtaining control over the Company, (c) the Company achieving $100 million in trailing twelve month net product revenue or (d) the Company achieving $125 million in trailing twelve month net product revenue. The exit fee for liquidation, dissolution, winding up or change of control of the Company is equal to 4.50% of the principal amount of the term loans actually funded. The exit fee for achieving either $100 million or $125 million in trailing twelve-month net product revenue is equal to 2.25% of the principal amount of the term loans actually funded or, if both net product revenue milestones are achieved, 4.50% of the principal amount of the term loans actually funded. The exit fee is capped at 4.50% of the principal amount of the term loans actually funded.

On December 8, 2020, the Company, Solar Capital Ltd., and our other lenders defined in the Solar Facility, executed an amendment to the Solar Facility (the “Solar Amendment”). The Solar Amendment divides the aggregate Term B Loan borrowing amount of $15.0 million allowable upon our achievement of specific trailing twelve-month net product revenue targets into three separate $5.0 million tranches (“Amended Term B Loan”, “Term C Loan” and “Term D Loan”). The three tranches are available through June 20, 2021, December 20, 2021, and June 20, 2022, respectively, based on the achievement of agreed upon trailing twelve-month net product revenue targets for each tranche.

The Solar Amendment also reduces the trailing twelve-month net product revenue requirement for the Amended Term B Loan portion of the facility. Subject to certain conditions, the Company has the ability to extend the interest-only period on the initial Term A Loan to 36 months from 24 months upon achieving the revenue targets associated with the Amended Term B Loan. As of September 30, 2021, the Company is in compliance with the required minimum net product revenue covenant and anticipates electing to extend the interest-only period through March 1, 2023 for the Term A Loan, subject to continuing to meet the required conditions through and as of March 1, 2022. The Company is projected to be in compliance with the required covenant. The Company was required to pay an amendment fee of $0.1 million to Solar, which has been recognized as a deferred debt issuance cost as of December 31, 2020 that will be amortized to interest expense using the effective interest method.

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The Company’s obligations under the Solar Facility are secured by a first priority security interest in substantially all of its assets, including its intellectual property. The loan and security agreement requires the Company to comply with certain financial covenants as well as customary affirmative and negative covenants.

The Solar Facility contains events of default, including, without limitation, events of default upon: (i) failure to make payment pursuant to the terms of the agreement; (ii) violation of covenants; (iii) material adverse changes to the Company’s business; (iv) attachment or levy on the Company’s assets or judicial restraint on its business; (v) insolvency; (vi) material cross-defaults; (vii) significant judgments, orders or decrees for payments by the Company not covered by insurance; (viii) incorrectness of representations and warranties; (ix) incurrence of subordinated debt; (x) a termination or breach of a guaranty; (xi) revocation of governmental approvals necessary for the Company to conduct its business; and (xii) failure by the Company to maintain a valid and perfected lien on the collateral securing the borrowing. The Solar Facility includes subjective acceleration clauses which permit the lenders to accelerate the maturity date under certain circumstances, including, but not limited to, material adverse effects on a Company’s financial status or otherwise.

The Solar Facility includes a financial covenant requiring the attainment of a minimum trailing net revenue amount beginning on December 31, 2020. The Company and lenders executed the Solar Amendment in December 2020 that reduced the minimum trailing net revenue covenant requirement amounts beginning on December 31, 2020 to allow the Company to maintain compliance with the covenant as of December 31, 2020. As of September 30, 2021, the Company is in compliance with the financial covenant and is projected to be in compliance with the reduced minimum revenue covenant amounts going forward.

As of September 30, 2021, the Company is in compliance with all covenants in the Solar Facility.

The Solar Facility includes a financial covenant requiring the attainment of a minimum trailing net revenue amount. Based upon the Company’s projected revenues for the remainder of 2021, the Company believes that it is probable that this minimum revenue covenant will not be achieved. The Company is in discussions with the lenders for a potential covenant waiver or amendment, however, no formal agreement has been executed. The Solar Facility also includes subjective acceleration clauses which permit the lenders to accelerate the maturity date under certain circumstances, including, but not limited to, material adverse effects on a Company’s financial status or otherwise. In accordance with FASB ASC 470 as the Solar Facility contains subjective acceleration clauses and the assessment that it is probable that the revenue covenant will not be met as of December 31, 2021, the outstanding principal under the Solar Facility is classified as a current liability in the accompanying balance sheet as of September 30, 2021.

Cash and Non-Cash Interest Expense

For the nine months ended September 30, 2021, we recognized interest expense of $3.0 million, of which $2.5 million was cash and $0.5 million was non-cash interest expense related to the amortization of deferred financing costs and accrual of final payment fees. For the nine months ended September 30, 2020, we recognized interest expense of $3.5 million, of which $3.1 million was cash and $0.4 million was non-cash interest expense related to the amortization of deferred financing costs and accrual of final payment fees.

Common Stock Offering

On February 2, 2021, we closed on our public offering and sale of our common stock in which we issued and sold 5,566,000 shares of our common stock, which included shares pursuant to an option granted to underwriters to purchase additional shares, at a public offering price of $15.50 per share. We received net proceeds of $80.6 million after deducting underwriting discounts, commissions and offering expenses.

Off-Balance Sheet Arrangements

We do not maintain any off-balance sheet arrangements, partnerships or other relationships with unconsolidated entities, often referred to as structured finance or special-purpose entities, which are

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established for the purpose of facilitating off-balance sheet arrangements or other contractually narrow or limited purposes.

Commitments and Contractual Obligations

As of September 30, 2021, there were no significant changes to our commitments and future minimum contractual obligations as set forth in our Form 10-K, filed with the SEC on March 2, 2021.

JOBS Act Accounting Election

We are an “emerging growth company,” as defined in the Jumpstart Our Business Startups Act of 2012, or JOBS Act, and are eligible to take advantage of certain exemptions from various reporting requirements that are applicable to other public companies that are not emerging growth companies. Section 107 of the JOBS Act provides that an emerging growth company can take advantage of the extended transition period provided in Section 7(a)(2)(B) of the Securities Act of 1933, or Securities Act, for complying with new or revised accounting standards issued subsequent to the enactment of the JOBS Act until such time as those standards apply to private companies. We have elected to avail ourselves of this exemption from complying with new or revised accounting standards and, therefore, will not be subject to the same new or revised accounting standards as other public companies that are not emerging growth companies. Section 107 of the JOBS Act provides that we can elect to opt out of the extended transition period at any time, which election is irrevocable.

Subject to certain conditions, as an emerging growth company, we may rely on certain of these exemptions, including without limitation (i) providing an auditor’s attestation report on our system of internal controls over financial reporting pursuant to Section 404(b) of the Sarbanes-Oxley Act and (ii) complying with any requirement that may be adopted by the Public Company Accounting Oversight Board regarding mandatory audit firm rotation or a supplement to the auditor’s report providing additional information about the audit and the financial statements, known as the auditor discussion and analysis. We will remain an emerging growth company until the earlier of (a) the last day of the fiscal year in which we have total annual gross revenue of $1.07 billion or more; (b) the last day of the fiscal year following the fifth anniversary of the date of the completion of this offering; (c) the date on which we have issued more than $1.0 billion in nonconvertible debt during the previous six years; or (d) the date on which we are deemed to be a large accelerated filer under the rules of the SEC.

Recent Accounting Pronouncements

We refer you to “Note 3. Summary of Significant Accounting Policies” and “Note 4. Recent Accounting Pronouncements” in “Notes to Interim Financial Statements” located in “Part I – FINANCIAL INFORMATION, Item 1. Financial Statements”.

Item 3.     Quantitative and Qualitative Disclosures About Market Risk.

We refer you to the information described in the “Item 7A. Quantitative and Qualitative Disclosures About Market Risk” section of the Company’s Annual Report on Form 10-K filed with the SEC on March 2, 2021. There have been no material changes to our market risk described therein.

Item 4.     Controls and Procedures.

Evaluation of Disclosure Controls and Procedures

The term “disclosure controls and procedures,” as defined in Rules 13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended, or Exchange Act, refers to controls and procedures that are designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the SEC’s rules and forms. Disclosure controls and procedures include, without limitation, controls and

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procedures designed to ensure that information required to be disclosed by a company in the reports that it files or submits under the Exchange Act is accumulated and communicated to the company’s management, including its principal executive officer and principal financial officer, as appropriate to allow timely decisions regarding required disclosure. As required by Rules 13a-15(b) and 15d-15(b) of the Exchange Act, our management, with the participation of our Principal Executive Officer and Chief Financial Officer, evaluated the effectiveness of our disclosure controls and procedures as of the end of the period covered by this Quarterly Report on Form 10-Q. Based on that evaluation, our Principal Executive Officer and our Chief Financial Officer concluded that our disclosure controls and procedures were effective at the reasonable assurance level as of September 30, 2021.

Changes in Internal Control over Financial Reporting

During the quarter ended September 30, 2021, there were no changes in our internal control over financial reporting (as defined in Rule 13a-15(f) of the Exchange Act) which materially affected, or are reasonably likely to materially affect, our internal control over financial reporting.

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PART II—OTHER INFORMATION

Item 1.     Legal Proceedings.

We are subject from time to time to various claims and legal actions arising during the ordinary course of our business. We believe that there are currently no claims or legal actions that would reasonably be expected to have a material adverse effect on our results of operations, financial condition, or cash flows.

Item 1A.     Risk Factors.

You should carefully consider the information described in the “Risk Factors” section of the Company’s Annual Report on Form 10-K filed with the SEC on March 2, 2021. There have been no material changes to the risk factors described therein.

Item 2.     Unregistered Sales of Equity Securities and Use of Proceeds.

Recent Issuances of Unregistered Securities

None.

Item 3.     Defaults Upon Senior Securities.

Not applicable.

Item 4.     Mine Safety Disclosures.

Not applicable.

Item 5.     Other Information.

Not applicable.

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Item 6.     Exhibits.

The following is a list of exhibits filed as part of this Quarterly Report on Form 10-Q. Where so indicated, exhibits that were previously filed are incorporated by reference. For exhibits incorporated by reference, the location of the exhibit in the previous filing is indicated.

Exhibit Number	Description
10.1◊	Secured Promissory Note Agreement, dated September 29, 2021, by and between the Registrant and Check Five LLC (incorporated by reference to Exhibit 10.1 to the Registrant’s Current Report on Form 8-K filed on October 5, 2021)
10.2	Third Amended and Restated Bylaws of the Registrant (incorporated by reference to Exhibit 10.3 to the Form 10-Q filed August 3, 2021)
31.1*	Certification of the Principal Executive Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
31.2*	Certification of the Principal Financial Officer Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.
32.1**	Certification of Chief Executive Officer Pursuant to 18 U.S.C. Section 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. Section 1350, as Adopted Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.
101.INS	Inline XBRL Instance Document – the instance document does not appear in the Interactive Data File because iXBRL tags are embedded within the Inline XBRL document.
101.SCH	Inline XBRL Taxonomy Extension Schema Document
101.CAL	Inline XBRL Taxonomy Extension Calculation Linkbase Document
101.DEF	Inline XBRL Taxonomy Extension Definition Linkbase Document
101.LAB	Inline XBRL Taxonomy Extension Label Linkbase Document
101.PRE	Inline XBRL Taxonomy Extension Presentation Linkbase Document
104	Cover Page Interactive Data File (Formatted as Inline XBRL and contained Exhibit 101).

* Filed herewith.

◊ Portions of this exhibit (indicated by a diamond) have been omitted pursuant to a request for confidential treatment and have been separately filed with the Securities and Exchange Commission.

** This certification is being furnished solely to accompany this Quarterly Report on Form 10-Q pursuant to 18 U.S.C Section 1350 and is not being filed for purposes of Section 18 of the Securities Exchange Act of 1934, as amended, or otherwise subject to the liability of that section, nor shall it be deemed incorporated by reference into any filing of the registrant under the Securities Act of 1933, as amended, or the Securities Exchange Act of 1934, as amended, whether made before or after the date hereof, regardless of any general incorporation language in such filing.

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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.

	NEURONETICS, INC.
	(Registrant)
Date: November 9, 2021	By:	/s/ Keith J. Sullivan
	Name:	Keith J. Sullivan
	Title:	President and Chief Executive Officer
		(Principal Executive Officer)
Date: November 9, 2021	By:	/s/ Stephen Furlong
	Name:	Stephen Furlong
	Title:	SVP, Chief Financial Officer and Treasurer
		(Principal Financial and Accounting Officer)

42

EX-31.1

Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER

I, Keith J. Sullivan, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Neuronetics, 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)) for the registrant 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. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

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

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

Date: November 9, 2021	By:	/s/ Keith J. Sullivan
	Name:	Keith J. Sullivan
	Title:	President and Chief Executive Officer
		(Principal Executive Officer)

EX-31.2

Exhibit 31.2

CERTIFICATION OF CHIEF FINANCIAL OFFICER

I, Stephen Furlong, certify that:

1. I have reviewed this quarterly report on Form 10-Q of Neuronetics, 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. The registrant’s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant’s auditors and the audit committee of the registrant’s board of directors (or persons performing the equivalent functions):

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

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

s
Date: November 9, 2021	By:	/s/ Stephen Furlong
	Name:	Stephen Furlong
	Title:	SVP, Chief Financial Officer and Treasurer
		(Principal Financial and Accounting Officer)

EX-32.1

Exhibit 32.1

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report on Form 10-Q of Neuronetics, Inc. (the “Company”) for the fiscal quarter ended September 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

Date: November 9, 2021	By:	/s/ Keith J. Sullivan
	Name:	Keith J. Sullivan
	Title:	President and Chief Executive Officer
		(Principal Executive Officer)

EX-32.2

Exhibit 32.2

CERTIFICATION PURSUANT TO

18 U.S.C. SECTION 1350,

AS ADOPTED PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the quarterly report on Form 10-Q of Neuronetics, Inc. (the “Company”) for the fiscal quarter ended September 30, 2021 as filed with the Securities and Exchange Commission on the date hereof (the “Report”), I certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that:

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

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

Date: November 9, 2021	By:	/s/ Stephen Furlong
	Name:	Stephen Furlong
	Title:	SVP, Chief Financial Officer and Treasurer
		(Principal Financial and Accounting Officer)

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Entity Ex Transition Period	false
Entity Common Stock, Shares Outstanding		26,367,959
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity File Number	001-38546
Entity Tax Identification Number	33-1051425
Entity Address, Address Line One	3222 Phoenixville Pike
Entity Address, City or Town	Malvern
Entity Address, State or Province	PA
Entity Address, Postal Zip Code	19355
City Area Code	610
Local Phone Number	640-4202
Title of 12(b) Security	Common Stock ($0.01 par value)
Security Exchange Name	NASDAQ
Entity Incorporation, State or Country Code	DE
Entity Interactive Data Current	Yes
Document Quarterly Report	true
Document Transition Report	false

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Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 99,434	$ 48,957
Accounts receivable, net	7,749	7,166
Inventory	5,355	3,720
Current portion of net investments in sales-type leases	2,142	1,887
Current portion of prepaid commission expense	1,313	1,096
Prepaid expenses and other current assets	3,454	2,186
Total current assets	119,447	65,012
Property and equipment, net	920	730
Operating lease right-of-use assets	3,131	3,418
Net investments in sales-type leases	1,735	2,331
Prepaid commission expense	5,685	5,300
Long-term note receivable	10,000
Other assets	2,150	1,866
Total Assets	143,068	78,657
Current liabilities:
Accounts payable	3,306	3,749
Accrued expenses	6,913	7,319
Deferred revenue	1,870	2,020
Current portion of operating lease liabilities	616	594
Current portion of long-term debt, net	35,104
Total current liabilities	47,809	13,682
Long-term debt, net		34,620
Deferred revenue	1,361	1,741
Operating lease liabilities	2,822	3,121
Total Liabilities	51,992	53,164
Commitments and contingencies (Note 17)
Stockholders' Equity:
Preferred stock, $0.01 par value: 10,000 shares authorized; no shares issued or outstanding at September 30, 2021 and December 31, 2020
Common stock, $0.01 par value: 200,000 shares authorized; 26,335 and 19,114 shares issued and outstanding at September 30, 2021 and December 31, 2020, respectively	263	191
Additional paid-in capital	391,910	302,842
Accumulated deficit	(301,097)	(277,540)
Total Stockholders' Equity	91,076	25,493
Total Liabilities and Stockholders' Equity	$ 143,068	$ 78,657

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Balance Sheets (Parenthetical) - $ / shares	Sep. 30, 2021	Dec. 31, 2020
Statement Of Financial Position [Abstract]
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	10,000,000	10,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.01	$ 0.01
Common stock, shares authorized	200,000,000	200,000,000
Common stock, shares issued	26,335,000	19,114,000
Common stock, shares outstanding	26,335,000	19,114,000

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Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Income Statement [Abstract]
Revenues	$ 13,799	$ 12,448	$ 40,290	$ 33,665
Cost of revenues	3,144	2,657	8,115	7,791
Gross Profit	10,655	9,791	32,175	25,874
Operating expenses:
Sales and marketing	9,827	6,053	27,431	24,926
General and administrative	6,435	4,210	19,220	13,508
Research and development	1,575	1,952	6,179	7,089
Total operating expenses	17,837	12,215	52,830	45,523
Loss from Operations	(7,182)	(2,424)	(20,655)	(19,649)
Other (income) expense:
Interest expense	993	1,002	2,955	3,511
Loss on extinguishment of debt				924
Other income, net	(24)	(8)	(53)	(288)
Net Loss	$ (8,151)	$ (3,418)	$ (23,557)	$ (23,796)
Net loss per share of common stock outstanding, basic	$ (0.31)	$ (0.18)	$ (0.94)	$ (1.27)
Net loss per share of common stock outstanding, diluted	$ (0.28)	$ (0.18)	$ (0.90)	$ (1.27)
Weighted-average common shares outstanding, basic	26,301	18,890	25,179	18,773
Weighted-average common shares outstanding, diluted	26,301	18,890	25,179	18,773

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Statement of Changes in Stockholders' Equity - USD ($) shares in Thousands, $ in Thousands	Common Stock	Additional Paid-in Capital	Accumulated Deficit	Total
Beginning balance at Dec. 31, 2019	$ 186	$ 297,753	$ (250,087)	$ 47,852
Beginning balance, shares at Dec. 31, 2019	18,645
Share-based awards and options exercises	$ 1	75		76
Share-based awards and options exercises, shares	81
Share-based compensation expense		1,196		1,196
Net loss			(12,613)	(12,613)
Ending balance at Mar. 31, 2020	$ 187	299,024	(262,700)	36,511
Ending balance, shares at Mar. 31, 2020	18,726
Beginning balance at Dec. 31, 2019	$ 186	297,753	(250,087)	47,852
Beginning balance, shares at Dec. 31, 2019	18,645
Net loss				(23,796)
Ending balance at Sep. 30, 2020	$ 189	301,172	(273,883)	27,478
Ending balance, shares at Sep. 30, 2020	18,959
Beginning balance at Mar. 31, 2020	$ 187	299,024	(262,700)	36,511
Beginning balance, shares at Mar. 31, 2020	18,726
Share-based awards and options exercises	$ 1	47		48
Share-based awards and options exercises, shares	83
Share-based compensation expense		646		646
Net loss			(7,765)	(7,765)
Ending balance at Jun. 30, 2020	$ 188	299,717	(270,465)	29,440
Ending balance, shares at Jun. 30, 2020	18,809
Share-based awards and options exercises	$ 1	409		410
Share-based awards and options exercises, shares	150
Share-based compensation expense		1,046		1,046
Net loss			(3,418)	(3,418)
Ending balance at Sep. 30, 2020	$ 189	301,172	(273,883)	27,478
Ending balance, shares at Sep. 30, 2020	18,959
Beginning balance at Dec. 31, 2020	$ 191	302,842	(277,540)	25,493
Beginning balance, shares at Dec. 31, 2020	19,114
Issuance of common stock, net of issuance costs of $401	$ 56	80,515		80,571
Issuance of common stock, net of issuance costs of $401 (in shares)	5,566
Share-based awards and options exercises	$ 11	1,581		1,592
Share-based awards and options exercises, shares	1,076
Share-based compensation expense		2,196		2,196
Net loss			(7,881)	(7,881)
Ending balance at Mar. 31, 2021	$ 258	387,134	(285,421)	101,971
Ending balance, shares at Mar. 31, 2021	25,756
Beginning balance at Dec. 31, 2020	$ 191	302,842	(277,540)	25,493
Beginning balance, shares at Dec. 31, 2020	19,114
Net loss				(23,557)
Ending balance at Sep. 30, 2021	$ 263	391,910	(301,097)	91,076
Ending balance, shares at Sep. 30, 2021	26,335
Beginning balance at Mar. 31, 2021	$ 258	387,134	(285,421)	101,971
Beginning balance, shares at Mar. 31, 2021	25,756
Share-based awards and options exercises	$ 4	707		711
Share-based awards and options exercises, shares	411
Share-based compensation expense		2,009		2,009
Net loss			(7,525)	(7,525)
Ending balance at Jun. 30, 2021	$ 262	389,850	(292,946)	97,166
Ending balance, shares at Jun. 30, 2021	26,167
Share-based awards and options exercises	$ 1	99		100
Share-based awards and options exercises, shares	168
Share-based compensation expense		1,961		1,961
Net loss			(8,151)	(8,151)
Ending balance at Sep. 30, 2021	$ 263	$ 391,910	$ (301,097)	$ 91,076
Ending balance, shares at Sep. 30, 2021	26,335

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Statement of Changes in Stockholders' Equity (Parenthetical) $ in Thousands	3 Months Ended
	Mar. 31, 2021 USD ($)
Statement Of Stockholders Equity [Abstract]
Issuance of common stock, issuance costs	$ 401

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Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Cash Flows from Operating Activities:
Net loss	$ (23,557)	$ (23,796)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	768	741
Share-based compensation	6,166	2,888
Non-cash interest expense	484	1,113
Cost of rental units purchased by customers	137	150
Loss on extinguishment of debt		622
Changes in certain assets and liabilities:
Accounts receivable, net	(3,097)	1,005
Inventory	(1,870)	(1,004)
Net investments in sales-type leases	341	(1,271)
Leasehold reimbursement		875
Prepaid commission expense	(602)	(1,070)
Prepaid expenses and other assets	(453)	(1,263)
Accounts payable	(840)	(2,340)
Accrued expenses	(405)	(2,981)
Deferred revenue	(531)	(356)
Net Cash Used in Operating Activities	(23,459)	(26,687)	$ (28,400)
Cash Flows from Investing Activities:
Purchases of property and equipment and capitalized software	(1,552)	(615)
Issuance of promissory note	(7,486)
Net Cash Used in Investing Activities	(9,038)	(615)
Cash Flows from Financing Activities:
Proceeds from issuance of long-term debt		41,360
Repayment of long-term debt		(38,860)
Payments of debt issuance costs		(721)
Proceeds from exercises of stock options	2,403	534
Proceeds from the issuance of common stock	80,972
Payments of common stock offering issuance costs	(401)
Net Cash Provided by Financing Activities	82,974	2,313
Net Increase (Decrease) in Cash and Cash Equivalents	50,477	(24,989)
Cash and Cash Equivalents, Beginning of Period	48,957	75,708	75,708
Cash and Cash Equivalents, End of Period	99,434	50,719	$ 48,957
Supplemental disclosure of cash flow information:
Cash paid for interest	2,471	3,060
Transfer of Inventory to PP&E	235
Supplemental disclosure of non-cash investing and financing activities:
Purchases of property and equipment and capitalized software in accounts payable and accrued expenses	398	$ 83
Reduction of accounts receivable in long-term note receivable	$ 2,514

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Description of Business

9 Months Ended

Sep. 30, 2021

Organization Consolidation And Presentation Of Financial Statements [Abstract]

Description of Business

1.     DESCRIPTION OF BUSINESS

Neuronetics, Inc., or the Company, is a commercial stage medical technology company focused on designing, developing and marketing products that improve the quality of life for patients who suffer from psychiatric disorders. The Company’s first commercial product, the NeuroStar Advanced Therapy System, is a non-invasive and non-systemic office-based treatment that uses transcranial magnetic stimulation, or TMS, to create a pulsed, MRI-strength magnetic field that induces electrical currents designed to stimulate specific areas of the brain associated with mood. The system was cleared in 2008 by the United States Food and Drug Administration, or the FDA, to treat adult patients with major depressive disorder, or MDD, who have failed to achieve satisfactory improvement from prior antidepressant medication in the current episode. NeuroStar Advanced Therapy is also available in other parts of the world, including Japan, where it is listed under Japan’s national health insurance. The Company intends to continue to pursue development of its NeuroStar Advanced Therapy System for additional indications.

COVID-19

The Company is continuing to monitor the impact of the COVID-19 pandemic on all aspects of its business and geographies, including how it will continue to impact the Company’s customers, supply chain, employees and other business partners. While the Company has experienced significant disruptions in March 2020 through the end of September 30, 2021 from the COVID-19 pandemic, it is unable to predict the full impact that the pandemic may have on its financial condition, results of operations and cash flows due to numerous uncertainties. These uncertainties include the scope, severity and duration of the pandemic, the actions taken to contain the pandemic or mitigate its impact and the direct and indirect economic effects of the pandemic and containment measures, among others. The pandemic has significantly adversely impacted global economic activity and has contributed to significant volatility and negative pressure in financial markets, and may contribute to periods of economic uncertainty in the future.

The Company applied for and received a $6.4 million loan in April 2020 under the Paycheck Protection Program (the “PPP”) established by the Coronavirus Aid, Relief, and Economic Security Act (“CARES Act”) on March 27, 2020. Due to questions concerning the eligibility of public companies similarly situated to the Company, on May 7, 2020, the Company repaid the loan in full, including interest accrued to date.

Liquidity

As of September 30, 2021, the Company had cash and cash equivalents of $99.4 million and an accumulated deficit of $301.1 million. The Company incurred negative cash flows from operating activities of $23.5 million for the nine months ended September 30, 2021 and $28.4 million for the year ended December 31, 2020. The Company has incurred operating losses since its inception, and management anticipates that its operating losses will continue in the near term as the Company continues to invest in sales, marketing and product development activities. The Company’s primary sources of capital to date have been proceeds from its IPO, private placements of its convertible preferred securities, borrowings under its credit facilities, proceeds from its secondary public offering of common stock, revenues from sales of its products and other public offerings of the Company’s common stock. As of September 30, 2021, the Company had $35.0 million of borrowings outstanding under its credit facility, which has a final maturity in February 2025. As discussed in Note 13, the outstanding balance under the credit facility is classified as a current liability as of September 30, 2021. Management believes that the Company’s cash and cash equivalents as of September 30, 2021, and anticipated revenues from sales of its products are sufficient to fund the Company’s operations for at least the next 12 months from the issuance of these financial statements.

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Basis of Presentation

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Basis of Presentation

2.     BASIS OF PRESENTATION

The accompanying financial statements have been prepared in accordance with United States generally accepted accounting principles, or GAAP. Any reference in these notes to applicable guidance is meant to

refer to GAAP as found in the Accounting Standards Codification, or ASC, and Accounting Standards Updates, or ASUs, promulgated by the Financial Accounting Standards Board, or FASB.

Interim Financial Statements

The accompanying unaudited interim financial statements have been prepared from the books and records of the Company in accordance with GAAP for interim financial information and Rule 10-01 of Regulation S-X promulgated by the United States Securities and Exchange Commission, or SEC, which permit reduced disclosures for interim periods. All adjustments, consisting only of normal recurring adjustments, necessary for a fair presentation of the accompanying balance sheets and statements of operations and stockholders’ deficit and cash flows have been made. Although these interim financial statements do not include all of the information and footnotes required for complete annual financial statements, management believes the disclosures are adequate to make the information presented not misleading. Unaudited interim results of operations and cash flows for the three and nine months ended September 30, 2021 are not necessarily indicative of the results that may be expected for the full year. Unaudited interim financial statements and footnotes should be read in conjunction with the audited financial statements and footnotes included in the Company’s Form 10-K filed with the SEC on March 2, 2021, wherein a more complete discussion of significant accounting policies and certain other information can be found.

Use of Estimates

The preparation of financial statements in accordance with GAAP and the rules and regulations of the SEC requires the use of estimates and assumptions, based on judgments considered reasonable, which affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates and assumptions on historical experience, known trends and events and various other factors that management believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Although management believes its estimates and assumptions are reasonable when made, they are based upon information available at the time they are made. Management evaluates the estimates and assumptions on an ongoing basis and, if necessary, makes adjustments. Due to the risks and uncertainties involved in the Company’s business and evolving market conditions, including those related to the COVID-19 pandemic, and given the subjective element of the estimates and assumptions made, actual results may differ materially from estimated results.

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Summary of Significant Accounting Policies

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Summary of Significant Accounting Policies

3.     SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES

The Company accounts for its note receivable in accordance with ASC Topic 310, Receivables, ("Topic 310") and is reported on the Company’s balance sheet at amortized cost basis. The Company will recognize interest income within other income, net within the statements of operations. See "Note 8. Note Receivable" in our unaudited financial statements and related notes thereto included elsewhere in this Quarterly Report on Form 10-Q.

The Company’s complete summary of significant accounting policies can be found in “Note 3. Summary of Significant Accounting Policies” in the audited financial statements included in the Company’s Form 10-K filed with the SEC on March 2, 2021.

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Recent Accounting Pronouncements

9 Months Ended

Sep. 30, 2021

New Accounting Pronouncements And Changes In Accounting Principles [Abstract]

Recent Accounting Pronouncements

4.     RECENT ACCOUNTING PRONOUNCEMENTS

New Accounting Standards Not Yet Adopted by the Company

In June 2016, the FASB issued ASU 2016-13, Financial Instruments - Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments (“Topic 326”). This ASU provides guidance for

recognizing credit losses on financial instruments based on an estimate of current expected credit losses model. The FASB subsequently issued ASU 2019-04, to clarify and address certain items related to the amendments in Topic 326.

ASU 2019-05, Financial Instruments - Credit Losses (Topic 326): Targeted Transition Relief, was issued to provide entities that have certain instruments within the scope of ASC 326 with an option to irrevocably elect the fair value option under ASC 825-10, Financial Instruments - Overall, applied on an instrument-by-instrument basis for eligible instruments. ASU 2019-10, Topic 326, Topic 815, and Topic 842 amends the mandatory effective date for Topic 326.

These ASUs are effective for fiscal years beginning after December 15, 2022 for entities that are eligible to be defined by the SEC as a smaller reporting company. The Company is a smaller reporting company. Although the impact upon adoption will depend on the financial instruments held by the Company at that time, the Company does not anticipate a significant impact on its financial statements based on the instruments currently held and its historical trend of bad debt expense relating to trade accounts receivable.

Other than the items noted above, there have been no new accounting pronouncements not yet effective or adopted in the current year that we believe have a significant impact, or potential significant impact, to our unaudited interim financial statements.

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Fair Value Measurement and Financial Instruments

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Fair Value Measurement and Financial Instruments

5.     FAIR VALUE MEASUREMENT AND FINANCIAL INSTRUMENTS

The carrying values of cash equivalents, accounts receivable, prepaids and other current assets, and accounts payable on the Company’s balance sheets approximated their fair values as of September 30, 2021 and December 31, 2020 due to their short-term nature. The carrying values of the Company’s credit facility approximated its fair value as of September 30, 2021 and December 31, 2020 due to its variable interest rate. The carrying value of the Company’s note receivable approximated its fair value as of September 30, 2021 due to its variable interest rate.

Certain of the Company’s financial instruments are measured at fair value using a three-level hierarchy that prioritizes the inputs used to measure fair value. This hierarchy maximizes the use of observable inputs and minimizes the use of unobservable inputs. The three levels of inputs used to measure fair value are as follows:

Level 1: Inputs are quoted prices for identical instruments in active markets.

Level 2: Inputs are quoted prices for similar instruments in active markets; quoted prices for identical or similar instruments in markets that are not active; or model-derived valuations whose inputs are observable or whose significant value drivers are observable.

Level 3: Inputs are unobservable and reflect the Company’s own assumptions, based on the best information available, including the Company’s own data.

The following tables set forth the carrying amounts and fair values of the Company’s financial instruments as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30, 2021
					Fair Value Measurement Based on
					Quoted		Significant
					Prices In		other		Significant
					Active		Observable		Unobservable
	Carrying				Markets		Inputs		Inputs
	Amount		Fair Value		(Level 1)		(Level 2)		(Level 3)
Assets
Money market funds (cash equivalents)	$	96,231	$	96,231	$	96,231	$	—	$	—

	December 31, 2020
					Fair Value Measurement Based on
					Quoted		Significant
					Prices In		other		Significant
					Active		Observable		Unobservable
	Carrying				Markets		Inputs		Inputs
	Amount		Fair Value		(Level 1)		(Level 2)		(Level 3)
Assets
Money market funds (cash equivalents)	$	47,117	$	47,117	$	47,117	$	—	$	—

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Accounts Receivable

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Account Receivable

6.     ACCOUNTS RECEIVABLE

The following table presents the composition of accounts receivable, net as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Gross accounts receivable - trade	$	8,907	$	8,178
Less: Allowances for doubtful accounts		(1,158)		(1,012)
Accounts receivable, net	$	7,749	$	7,166

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Property and Equipment and Capitalized Software

9 Months Ended

Sep. 30, 2021

Property Plant And Equipment [Abstract]

Property and Equipment and Capitalized Software

7.     PROPERTY AND EQUIPMENT AND CAPITALIZED SOFTWARE

The following table presents the composition of property and equipment, net as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Laboratory equipment	$	214	$	150
Office equipment		497		487
Computer equipment and software		1,555		1,360
Manufacturing equipment		341		273
Leasehold improvements		459		459
Rental equipment		366		405
Property and equipment, gross		3,432		3,134
Less: Accumulated depreciation		(2,512)		(2,404)
Property and equipment, net	$	920	$	730

As of September 30, 2021 and December 31, 2020, the Company had capitalized software costs, net of $2.0 million and $1.2 million, respectively, which are included in “Prepaid expenses and other current assets” and “Other assets” on the balance sheet.

Depreciation and amortization expense was $0.2 million and $0.2 million for the three months ended September 30, 2021 and 2020, respectively, and $0.8 million and $0.7 million for the nine months ended September 30, 2021 and 2020, respecitvely.

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Note Receivable

9 Months Ended

Sep. 30, 2021

Accounts, Notes, Loans and Financing Receivable, Gross, Allowance, and Net [Abstract]

Note Receivable

8.     NOTE RECEIVABLE

On September 29, 2021, Neuronetics, Inc. the Company entered into an exclusive, five-year master sales agreement (the “Commercial Agreement”) with Check Five, LLC d/b/a Success TMS (“Success TMS”). In connection with the Commercial Agreement, the Company agreed to loan Success TMS the principal amount of $10.0 million for a period of five years pursuant to a secured promissory note (the “Note”). The Note will bear interest at a floating rate equal to the prime rate plus 6.00% per annum. The Note includes an interest-only period through October 1, 2022, after which time Success TMS will be required to make monthly payments of principal and interest. The interest-only period can be extended by the Company to October 1, 2023 upon satisfaction of certain conditions by Success TMS after which time Success TMS will be required to make payments of principal and interest. Under the terms of the Note, the Company has received a first priority security interest in substantially all of the assets of Success TMS. Success TMS has also granted the Company an observer seat on the Board of Managers of Success TMS.

In the Note, Success TMS has made certain representations and warranties and is required to comply with certain customary affirmative and negative covenants during the term of the Note. The Note contains events of default, including, without limitation: (i) failure to make payment pursuant to the terms of the Note; (ii) violation of covenants; (iii) breach of any representation or warranty; (iv) breach or default under the Commercial Agreement; (v) material adverse changes to Success TMS’s business; (vi) any impairment of the Company’s security interest in collateral; (vii) attachment or levy on Success TMS’s assets or judicial restraint on its business; (viii) commencement of insolvency proceedings; (ix) material cross-defaults; (x) significant judgments, orders or awards for payment against Success TMS; (xi) a change of control of Success TMS; and (xii) the invalidity or unenforceability of the Note or the Commercial Agreement. The owner of Success TMS, 6214 Riverwalk LLC, has provided a limited guarantee and pledge of its equity in Success TMS in connection with the Note.

As of September 30, 2021, Success TMS has represented to the Company that Success TMS is in compliance with all covenants of the Note.

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Leases

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Leases

9.     LEASES

Lessee:

The Company has operating leases for its corporate headquarters and office equipment, including copiers. The Company leases an approximately 32,000 square foot facility in Malvern, Pennsylvania for its corporate headquarters, which includes office and warehouse space. The Company does not currently have any finance leases or executed leases that have not yet commenced.

Operating lease rent expense was $0.2 million and $0.2 million for the three months ended September 30, 2021 and 2020, respectively, and $0.4 million and $0.5 million for the nine months ended September 30, 2021 and 2020, respectively. As of September 30, 2021, the weighted-average remaining lease term of operating leases was 6.4 years and the weighted-average discount rate was 6.5%.

In the first quarter of 2020, the Company received a reimbursement of $0.8 million for leasehold expenses previously incurred in connection with the lease agreement for its Malvern facility. The reimbursement was recorded as an offset to the non-current lease liability that was established when the lease agreement was executed.

The following table presents the supplemental cash flow information as a lessee related to leases (in thousands):

	Nine Months Ended
	September 30, 2021		September 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	526	$	575

The following table sets forth by year the required future payments of operating lease liabilities (in thousands):

	September 30, 2021
Remainder of 2021	$	157
2022		639
2023		636
2024		646
2025		660
Thereafter		1,487
Total lease payments		4,225
Less imputed interest		(787)
Present value of operating lease liabilities	$	3,438

Lessor sales-type leases:

Certain customers have purchased NeuroStar Advanced Therapy Systems on a rent-to-own basis. The lease term is three or four years with a customer option to purchase the NeuroStar Advanced Therapy System at the end of the lease or automatic transfer of ownership of the NeuroStar Advanced Therapy System at the end of the lease.

The following table sets forth the profit recognized on sales-type leases (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Profit recognized at commencement, net	$	262	$	81	$	543	$	807
Interest income		—		—		—		—
Total sales-type lease income	$	262	$	81	$	543	$	807

The following table sets forth a maturity analysis of the undiscounted lease receivables related to sales-type leases (in thousands):

	September 30,
	2021
Remainder of 2021	$	445
2022		2,001
2023		998
2024		290
2025		143
Total sales-type lease receivables	$	3,877

As of September 30, 2021, the carrying amount of the lease receivables is $3.9 million. The Company does not have any unguaranteed residual assets.

Lessor operating leases:

NeuroStar Advanced Therapy Systems sold on a rent-to-own basis prior to January 1, 2019 are accounted for as operating leases. NeuroStar Advanced Therapy Systems sold subsequent to January 1, 2019 for which collection is not probable are also accounted for as operating leases. For the three months ended September 30, 2021 and 2020, the Company recognized operating lease income of $0.03 million and $0.1 million, respectively. For the nine months ended September 30, 2021 and 2020, the Company recognized operating lease income of $0.2 million and $0.2 million, respectively.

The following table sets forth a maturity analysis of its undiscounted lease receivables related to operating leases as of September 30, 2021 (in thousands):

	September 30,
	2021
Remainder of 2021	$	4
Total lease receivables	$	4

The Company maintained Rental Equipment, net of $0.3 million and $0.2 million as of September 30, 2021 and December 31, 2020, respectively, which are included in “Property and equipment, net” on the balance sheet. Rental equipment depreciation expense was $0.01 million and $0.02 million for the three months ended September 30, 2021 and 2020, respectively, and $0.03 million and $0.1 million for the nine months ended September 30, 2021 and 2020.

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Prepaid Commission Expense

9 Months Ended

Sep. 30, 2021

Amortization Of Deferred Charges [Abstract]

Prepaid Commission Expense

10.     PREPAID COMMISSION EXPENSE

The Company pays a commission on both NeuroStar Advanced System sales and Treatment Session sales. Since the commission paid for System sales is not commensurate with the commission paid for Treatment Sessions, the Company capitalizes commission expense associated with NeuroStar Advanced Therapy System sales commissions paid that is incremental to specifically anticipated future Treatment Session orders. In developing this estimate, the Company considered its historical Treatment Session sales and customer retention rates, as well as technology development life cycles and other industry factors. These costs are periodically reviewed for impairment.

NeuroStar Advanced Therapy System commissions are deferred and amortized on a straight-line basis over a seven year period equal to the average customer term, which the Company deems to be the expected period of benefit for these costs.

On the Company’s balance sheets, the current portion of capitalized contract costs is represented by the current portion of prepaid commission expense, while the long-term portion is included in prepaid commission expense. Amortization expense was $0.3 million and $0.2 million for the three months ended September 30, 2021 and 2020, respectively, and $0.9 million and $0.6 million for the nine months ended September 30, 2021 and 2020, respectively.

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Accrued Expenses

9 Months Ended

Sep. 30, 2021

Payables And Accruals [Abstract]

Accrued Expenses

11.     ACCRUED EXPENSES

The following table presents the composition of accrued expenses as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Compensation and related benefits	$	4,035	$	5,023
Consulting and professional fees		779		292
Research and development expenses		362		138
Sales and marketing expenses		312		73
Warranty		300		536
Sales and other taxes payable		616		726
Other		509		531
Accrued expenses	$	6,913	$	7,319

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Deferred Revenue

9 Months Ended

Sep. 30, 2021

Deferred Revenue [Abstract]

Deferred Revenue

12.     DEFERRED REVENUE

Payment terms typically require payment upon shipment or installation of the System and additional payments as access codes for Treatment Sessions are delivered, which can span several years after the System is first delivered and installed. The timing of revenue recognition compared to billings and cash collections typically results in accounts receivable. However, sometimes customer advances and deposits might be required for certain customers and are recorded as deferred revenue. For multi-year agreements, the Company generally invoices customers annually at the beginning of each annual coverage period and recognizes revenue over the term of the coverage period.

As of September 30, 2021, the Company expects to recognize approximately the following percentages of deferred revenue by year:

	Revenue
Year:	Recognition
Remainder of 2021	22	%
2022	32	%
2023	20	%
2024	20	%
2025	6	%
Thereafter	—	%
Total	100	%

Revenue recognized for the three and nine months ended September 30, 2021 that was included in the contract liability balance at the beginning of the year was $0.3 million and $1.8 million, respectively, and primarily represented revenue earned from separately priced extended warranties, rent-to-own revenue, milestone revenue, and clinical training.

Customers

For the three months ended September 30, 2021 and 2020, one customer accounted for more than 10% of the Company’s revenues, respectively. For the nine months ended September 30, 2021 and 2020, one customer accounted for more than 10% of the Company’s revenues, respectively.

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Debt

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Debt

13.     DEBT

The following table presents the composition of debt as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Outstanding principal	$	35,000	$	35,000
Accrued final payment fees		1,925		1,925
Less debt discounts		(1,821)		(2,305)
Total debt, net		35,104		34,620
Less current portion		(35,104)		—
Long-term debt, net	$	—	$	34,620

For the three months ended September 30, 2021, the Company recognized interest expense of $1.0 million, of which $0.8 million was cash and $0.2 million was non-cash interest expense related to the amortization of deferred debt issuance costs and accrual of final payment fees. For the three months ended September 30, 2020, the Company recognized interest expense of $1.0 million, of which $0.8 million was cash paid for interest during the period and $0.2 million was non-cash interest expense related to the amortization of deferred debt issuance costs and accrual of final payment fees.

For the nine months ended September 30, 2021, the Company recognized interest expense of $3.0 million, of which $2.5 million was cash and $0.5 million was non-cash interest expense related to the amortization of deferred debt issuance costs and accrual of final payment fees. For the nine months ended September 30, 2020, the Company recognized interest expense of $3.5 million, of which $3.1 million was cash paid for interest during the period and $0.4 million was non-cash interest expense related to the amortization of deferred debt issuance costs and accrual of final payment fees.

Solar Credit Facility

On March 2, 2020, the Company entered into a loan and security agreement with Solar Capital Ltd., or Solar, as collateral agent, and other lenders defined in the agreement, for a credit facility, or the Solar Facility, that replaced the Company’s previous $35.0 million credit facility with Oxford Finance LLC, or Oxford, and such facility, the Oxford Facility.

The Solar Facility permits the Company to borrow up to an aggregate amount of $50.0 million in two tranches of term loans, a “Term A Loan” and “Term B Loan.” On March 2, 2020, the Company borrowed an aggregate amount of $35.0 million, which was the aggregate amount available under the Term A Loan portion of the Solar Facility. The Term A Loan portion of the Solar Facility matures, and all amounts borrowed thereunder are due, on February 28, 2025. Under the Term B Loan portion of the Solar Facility, the Company is permitted to borrow, at its election, up to an aggregate amount of $15.0 million, (i) upon the Company achieving a specified amount of trailing twelve months net product revenue, and (ii) assuming there has been no event of default under the Solar Facility prior to such election. Once the net product revenue condition has been satisfied, the Company may only make an election to borrow under the Term B Loan portion of the Solar Facility until the earlier of (a) December 15, 2021, (b) 30 days following achievement of the net product revenue condition or (c) the occurrence of an event of default.

Each of the Term A Loan and Term B Loan accrue interest from the date of borrowing through the date of repayment at a floating per annum rate of interest, which resets monthly and is equal to 7.65% plus the greater of (a) 1.66% or (b) the rate per annum rate published by the Intercontinental Exchange Benchmark Administration Ltd. The Term A Loan and the Term B Loan both include an interest-only period through March 1, 2022, after which time the Company will be required to make monthly payments of principal and interest. Monthly principal payments are to be paid in equal amounts on a pro rata basis to lenders. At the Company’s election, the interest only period may be extended through February 2023 if the Company satisfies a minimum net product revenue covenant through March 1, 2022 and no event of default shall have occurred.

In addition to the principal and interest payments due under the Solar Facility, the Company is required to pay a final payment fee to Solar due upon the earlier of prepayment, acceleration or the maturity date of the Term A Loan or Term B Loan portion of the Solar Facility equal to 5.50% of the principal amount of the term loans actually funded. The Company is accruing the final payment fees using the effective interest rate, with a charge to non-cash interest expense, over the term of borrowing. If the Company prepays either the of the Term A Loan or Term B Loan prior to their respective scheduled maturities, the Company will also be required to pay prepayment fees to Solar equal to 3% of the principal amount of such term loan then-prepaid if prepaid on or before the first anniversary of funding, 2% of the principal amount of such term loan then-prepaid if prepaid after the first anniversary and on or before the second anniversary of funding, or 1% of the principal amount of such term loan then-prepaid if prepaid after the second anniversary of funding of the principal amounts borrowed.

The Company is also required to pay Solar an exit fee upon the occurrence, prior to March 2, 2030, of (a) any liquidation, dissolution or winding up of the Company, (b) transaction that results in a person obtaining control over the Company, (c) the Company achieving $100 million in trailing twelve month net product revenue or (d) the Company achieving $125 million in trailing twelve month net product revenue. The exit fee for liquidation, dissolution, winding up or change of control of the Company is equal to 4.50% of the principal amount of the term loans actually funded. The exit fee for achieving either $100 million or $125 million in trailing twelve-month net product revenue is equal to 2.25% of the principal amount of the term loans actually funded or, if both net product revenue milestones are achieved, 4.50% of the principal amount of the term loans actually funded. The exit fee is capped at 4.50% of the principal amount of the term loans actually funded.

On December 8, 2020, the Company, Solar Capital Ltd., and our other lenders defined in the Solar Facility, executed an amendment to the Solar Facility (the “Solar Amendment”). The Solar Amendment divides the aggregate Term B Loan borrowing amount of $15.0 million allowable upon our achievement of specific trailing twelve-month net product revenue targets into three separate $5.0 million tranches (“Amended Term B Loan”, “Term C Loan” and “Term D Loan”). The three tranches are available through June 20, 2021, December 20, 2021, and June 20, 2022, respectively, based on the achievement of agreed upon trailing twelve-month net product revenue targets for each tranche.

The Solar Amendment also reduces the trailing twelve-month net product revenue requirement for the Amended Term B Loan portion of the facility. Subject to certain conditions, the Company has the ability to extend the interest-only period on the initial Term A Loan to 36 months from 24 months upon achieving the revenue targets associated with the Amended Term B Loan. As of September 30, 2021, the Company is in compliance with the required minimum net product revenue covenant and anticipates electing to extend the interest-only period through March 1, 2023 for the Term A Loan, subject to continuing to meet the required conditions through and as of March 1, 2022. The Company is projected to be in compliance with the required covenant. The Company was required to pay an amendment fee of $0.1 million to Solar, which has been recognized as a deferred debt issuance cost as of December 31, 2020 that will be amortized to interest expense using the effective interest method.

The Company’s obligations under the Solar Facility are secured by a first priority security interest in substantially all of its assets, including its intellectual property. The loan and security agreement requires the Company to comply with certain financial covenants as well as customary affirmative and negative covenants.

The Solar Facility contains events of default, including, without limitation, events of default upon: (i) failure to make payment pursuant to the terms of the agreement; (ii) violation of covenants; (iii) material adverse changes to the Company’s business; (iv) attachment or levy on the Company’s assets or judicial restraint on its business; (v) insolvency; (vi) material cross-defaults; (vii) significant judgments, orders or decrees for payments by the Company not covered by insurance; (viii) incorrectness of representations and warranties; (ix) incurrence of subordinated debt; (x) a termination or breach of a guaranty; (xi) revocation of governmental approvals necessary for the Company to conduct its business; and (xii) failure by the Company to maintain a valid and perfected lien on the collateral securing the borrowing. The Solar Facility includes subjective acceleration clauses which permit the lenders to accelerate the maturity date under certain circumstances, including, but not limited to, material adverse effects on a Company’s financial status or otherwise.

The Solar Facility includes a financial covenant requiring the attainment of a minimum trailing net revenue amount beginning on December 31, 2020. The Company and lenders executed the Solar Amendment in December 2020 that reduced the minimum trailing net revenue covenant requirement amounts beginning on December 31, 2020 to allow the Company to maintain compliance with the covenant as of December 31, 2020. As of September 30, 2021, the Company is in compliance with the financial covenant and is projected to be in compliance with the reduced minimum revenue covenant amounts going forward.

As of September 30, 2021, the Company is in compliance with all covenants in the Solar Facility.

The Solar Facility includes a financial covenant requiring the attainment of a minimum trailing net revenue amount. Based upon the Company’s projected revenues for the remainder of 2021, the Company believes that it is probable that this minimum revenue covenant will not be achieved. The Company is in discussions with the lenders for a potential covenant waiver or amendment, however, no formal agreement has been executed. The Solar Facility also includes subjective acceleration clauses which permit the lenders to accelerate the maturity date under certain circumstances, including, but not limited to, material adverse effects on a Company’s financial status or otherwise. In accordance with FASB ASC 470 as the Solar Facility contains subjective acceleration clauses and the assessment that it is probable that the revenue covenant will not be met as of December 31, 2021, the outstanding principal under the Solar Facility is classified as a current liability in the accompanying balance sheet as of September 30, 2021.

Oxford Credit Facility

Prior to March 2020, the Company had a $35.0 million credit facility in place with Oxford, which it entered into in March 2017 and that allowed it to borrow up to $35.0 million in three tranches of term loans: a Term A Loan in the amount of $25 million, which was drawn immediately upon closing in March 2017, a Term B Loan in the amount of $5.0 million, which was drawn down in December 2017, and a Term C Loan in the amount of $5.0 million which was never drawn down. Each term loan accrued interest from the date of borrowing through the date of repayment at a floating per annum rate of interest, which reset monthly and was equal to the greater of (a) 8.15% or (b) the 30 day U.S. LIBOR on the last business day of the month plus 7.38%. This facility featured an interest-only period on all tranches through March 2019.

In addition to principal and interest payments due under the $35.0 million Oxford credit facility, the Company was required to make final payment fees to Oxford upon the earlier of prepayment or maturity and equal to 8.5% and 7.5% of the principal amounts of the Term A and Term B Loans, respectively. The Company accrued final payment fees using the effective interest rate, with a charge to non-cash interest expense, over the term of borrowing and until its entry into the Solar credit facility in March 2020, at which time the Company paid Oxford $2.5 million in satisfaction of all final payment fee liabilities due under the Oxford credit facility.

The Company evaluated whether the Solar Facility entered into in March 2020 represented a debt modification or extinguishment in accordance with ASC 470-50, Debt—Modifications and Extinguishments and determined that the existing debt was extinguished as a result of the full repayment of the existing facility and concurrent issuance of a new credit facility with a new lender. The unamortized balance of the Company’s combined debt discount and deferred issuance costs of $0.6 million related to the Oxford facility were accounted for as a loss on extinguishment of debt in March 2020.

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Common Stock

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Common Stock

14.     COMMON STOCK

Common Stock Offering

On February 2, 2021, we closed on our public offering and sale (the “Offering) of our common stock in which we issued and sold 5,566,000 shares of our common stock, which included shares pursuant to an option granted to underwriters to purchase additional shares, at a public offering price of $15.50 per share. We received net proceeds of $80.6 million after deducting underwriting discounts, commissions and offering expenses.

Common Stock

The following table summarizes the total number of shares of the Company’s common stock issued and reserved for issuance as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30, 2021	December 31, 2020
Shares of common stock issued	26,335	19,114
Shares of common stock reserved for issuance for:
Common stock warrants outstanding	75	105
Stock options outstanding	1,567	2,365
Restricted stock units outstanding	2,042	1,860
Shares available for grant under stock incentive plan	2,101	1,530
Shares available for sale under employee stock purchase plan	799	608
Total shares of common stock issued and reserved for issuance	32,919	25,582

Common Stock Warrants

The following tables summarize the Company’s outstanding common stock warrants as of September 30, 2021, and December 31, 2020:

September 30, 2021
Warrants
Outstanding
(in thousands)	Exercise Price		Expiration Date
14	$	19.55	Dec-2022
20	$	9.73	Aug-2023
20	$	9.73	Mar-2024
21	$	9.73	Dec-2024
75

December 31, 2020
Warrants
Outstanding
(in thousands)	Exercise Price		Expiration Date
14	$	19.55	Dec-2022
30	$	9.73	Feb-2021
20	$	9.73	Aug-2023
20	$	9.73	Mar-2024
21	$	9.73	Dec-2024
105

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Loss Per Share

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Loss Per Share

15.     LOSS PER SHARE

The Company’s basic loss per common share is computed by dividing the net loss by the weighted-average number of shares of common stock outstanding during the period. The Company’s restricted stock awards (non-vested shares) are issued and outstanding at the time of grant but are excluded from the Company’s computation of weighted-average shares outstanding in the determination of basic loss per share until vesting occurs.

A net loss cannot be diluted, so when the Company is in a net loss position, basic and diluted loss per common share are the same. If in the future the Company achieves profitability, the denominator of a diluted earnings per common share calculation will include both the weighted-average number of shares outstanding and the number of common stock equivalents, if the inclusion of such common stock equivalents would be dilutive. Dilutive common stock equivalents potentially include warrants, stock options, non-vested restricted stock units and non-vested performance restricted stock units using the treasury stock method, along with the effect, if any, from the potential conversion of outstanding securities, such as convertible preferred stock.

The following potentially dilutive securities outstanding as of September 30, 2021 and 2020 have been excluded from the denominator of the diluted loss per share of common stock outstanding calculation (in thousands):

	September 30,
	2021	2020
Stock options	1,567	2,594
Non-vested performance restricted stock units	395	500
Non-vested restricted stock units	1,647	1,850
Common stock warrants	75	105

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Share-Based Compensation

9 Months Ended

Sep. 30, 2021

Disclosure Of Compensation Related Costs Share-based Payments [Abstract]

Share-Based Compensation

16.     SHARE-BASED COMPENSATION

The amount of share-based compensation expense recognized by the Company by location in its statements of operations for the three and nine months ended September 30, 2021 and 2020 is as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of revenues	$	23	$	17	$	56	$	48
Sales and marketing		515		370		1,608		1,036
General and administrative		1,368		572		4,368		1,440
Research and development		55		87		134		364
Total	$	1,961	$	1,046	$	6,166	$	2,888

2018 Equity Incentive Plan

In June 2018, the Company adopted the 2018 Equity Incentive Plan, or 2018 Plan, which authorized the issuance of up to 1.4 million shares, subject to an annual 4% increase based on the number of shares of common stock outstanding, in the form of restricted stock, stock appreciation rights and stock options to the Company’s directors, employees and consultants. The amount and terms of grants are determined by the Company’s board of directors. All stock options granted to date have had exercise prices equal to the fair value, as determined by the closing price as reported by the Nasdaq Global Market, of the underlying common stock on the date of grant. The contractual term of stock options is up to 10 years, and stock options are exercisable in cash or as otherwise determined by the board of directors. Generally, stock options vest 25% upon the first anniversary of the date of grant and the remainder ratably monthly thereafter for 36 months. Restricted stock units generally vest ratably in three equal installments on the first, second and third anniversaries of the grant date. Performance restricted stock units (“PRSUs”) generally vest based on appreciation of the Company’s common stock to a certain price as determined by the Company’s board of directors measured using a trailing 30-day volume weighted average price of a share of the Company’s common stock. The fair value of the PRSU awards are determined using a risk neutral Monte Carlo simulation valuation model. As of September 30, 2021, there were 2.0 million shares available for future issuance under the 2018 Plan.

2020 Inducement Incentive Plan

In December 2020, the Company adopted the 2020 Inducement Incentive Plan, which authorized the issuance of up to 0.4 million shares in the form of stock options, stock appreciation rights, restricted stock awards, restricted stock unit awards, performance stock awards and other stock awards to eligible employees who satisfy the standards for inducement grants under Nasdaq global market rules. An individual who previously served as an employee or director of the Company is not eligible to receive awards under this plan. The amount and terms of grants are determined by the Company’s board of directors. As of September 30, 2021, there were 0.1 million shares available for future issuance under the 2020 Inducement Incentive Plan.

Stock Options

The following table summarizes the Company’s stock option activity for the nine months ended September 30, 2021:

					Aggregate
	Number of	Weighted-		Weighted-	average
	Shares under	average		Remaining	Intrinsic
	Option	Exercise Price		Contractual	Value
	(in thousands)	per Option		Life (in years)	(in thousands)
Outstanding at December 31, 2020	2,365	$	4.62
Granted	—	$	—
Exercised	(669)	$	4.01
Forfeited	(129)	$	14.93
Outstanding at September 30, 2021	1,567	$	4.19	7.6	$	5,611
Exercisable at September 30, 2021	733	$	5.16	6.5	$	2,280
Vested and expected to vest at September 30, 2021	1,567	$	4.19	7.6	$	5,611

The Company recognized share-based compensation expense related to stock options of $0.2 million and $0.3 million for the three months ended September 30, 2021 and 2020, respectively, and $0.6 million and $1.2 million for the nine months ended September 30, 2021 and 2020, respectively. As of September 30, 2021, there was $1.5 million of total unrecognized compensation cost related to non-vested

stock options which the Company expects to recognize over a weighted-average period of 2.2 years. The total intrinsic value of stock options exercised during the nine months ended September 30, 2021 was $8.1 million.

Restricted Stock Units and Performance Restricted Stock Units

The following table summarizes the Company’s restricted stock unit and performance restricted stock unit activity for September 30, 2021:

	Non-vested		Weighted-	Non-vested		Weighted-
	Restricted		average	Performance Restricted		average
	Stock Units		Grant-date	Stock Units		Grant-date
	(in thousands)		Fair Value	(in thousands)		Fair Value
Non-vested at December 31, 2020	1,860	$	3.58	500	$	1.71
Granted	846	$	12.72	145	$	15.59
Vested	(741)	$	3.54	(250)	$	1.77
Forfeited	(318)	$	7.42	—	$	—
Non-vested at September 30, 2021	1,647	$	7.55	395	$	6.77

The Company recognized $1.8 million and $0.6 million in share-based compensation expense related to the restricted stock units and performance restricted stock units for the three months ended September 30, 2021 and 2020, respectively, and $5.5 million and $1.7 million the nine months ended September 30, 2021 and 2020, respectively. As of September 30, 2021, there was $10.5 million of unrecognized compensation cost related to non-vested restricted stock units and performance restricted stock units, which the Company expects to recognize over a weighted-average period of 2.2 years. The total fair value at the vesting date of restricted stock units and performance restricted stock units vested during the nine months ended September 30, 2021, was $13.9 million.

For the period ended September 30, 2021 and December 31, 2020, the grant-date fair value of the performance restricted stock units was estimated at the time of grant using the following inputs and assumptions in the Monte Carlo simulation valuation model:

	September 30, 2021				December 31, 2020
Closing price of common stock	$	15.92		$	1.98
Risk-free interest rate		1.15	%		0.63	%
Expected volatility		99.7	%		87.4	%

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Commitments and Contingencies

9 Months Ended

Sep. 30, 2021

Commitments And Contingencies Disclosure [Abstract]

Commitments and Contingencies

17.     COMMITMENTS AND CONTINGENCIES

Legal Matters

The Company is subject from time to time to various claims and legal actions arising during the ordinary course of its business. Management believes that there are currently no claims or legal actions that would reasonably be expected to have a material adverse effect on the Company’s results of operations, financial condition, or cash flows.

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Geographical Segment Information

9 Months Ended

Sep. 30, 2021

Segments Geographical Areas [Abstract]

Geographical Segment Information

18.    GEOGRAPHICAL SEGMENT INFORMATION

Operating segments are defined as components of an enterprise about which separate discrete information is available for evaluation by the chief operating decision maker, or decision-making group, in deciding how to allocate resources and in assessing performance. The Company currently operates in one business segment as it is managed and operated as one business. A single management team that reports to the chief operating decision maker comprehensively manages the entire business. The Company does not operate any

material separate lines of business or separate business entities with respect to its products or product development.

The following geographic data includes revenue generated from the Company’s third-party distributors. The Company’s revenue was generated in the following geographic regions and by product line for the periods indicated (in thousands):

	Revenues by Geography
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
United States	$	13,280	96	%	$	12,029	97	%
International		519	4	%		419	3	%
Total revenues	$	13,799	100	%	$	12,448	100	%

	U.S. Revenues by Product Category
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	2,612	20	%	$	2,541	21	%
Treatment sessions		10,259	77	%		9,083	76	%
Other		409	3	%		405	3	%
Total U.S. revenues	$	13,280	100	%	$	12,029	100	%

	International Revenues by Product Category
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	306	59	%	$	222	53	%
Treatment sessions		90	17	%		99	24	%
Other		123	24	%		98	23	%
Total International revenues	$	519	100	%	$	419	100	%

	Revenues by Geography
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
United States	$	38,891	97	%	$	32,473	96	%
International		1,399	3	%		1,192	4	%
Total revenues	$	40,290	100	%	$	33,665	100	%

	U.S. Revenues by Product Category
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	6,945	18	%	$	7,474	23	%
Treatment sessions		30,688	79	%		23,823	73	%
Other		1,258	3	%		1,176	4	%
Total U.S. revenues	$	38,891	100	%	$	32,473	100	%

	International Revenues by Product Category
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	797	57	%	$	632	53	%
Treatment sessions		235	17	%		291	24	%
Other		367	26	%		269	23	%
Total International revenues	$	1,399	100	%	$	1,192	100	%

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Severance

9 Months Ended

Sep. 30, 2021

Restructuring And Related Activities [Abstract]

Severance

19.     SEVERANCE

On April 8, 2020, the Company took action to reduce expenses through a reduction in force (“RIF”). As part of this action the Company terminated 95 employees who received separation benefits upon their termination. During the second quarter of 2020, the Company recorded a separation-related charge for the RIF equal to the fair value of the terminated employees benefits as of the communication date in the amount of $2.1 million. This amount was paid out during the quarter with the final payoff occurring on June 15, 2020.

The Company entered into transition agreements outlining the separation with its former chief executive officer in March 2020, the vice president of medical operations in September 2020, the chief commercial officer and director of medical operations in December 2020, the VP of sales and five business development managers in January 2021, the director of strategic clinical development in February 2021, and the vice president of marketing in August 2021. In connection with these agreements, the Company recorded $0.3 million and $0.2 million of charges in salary, payroll tax and bonus expenses for the three months ended September 30, 2021 and 2020, respectively, and $0.5 million and $1.3 million for the nine months ended September 30, 2021 and 2020, respectively. For the nine months ended September 30, 2021 and 2020, $1.1 million and $0.5 million of termination benefits were paid associated with the termination of the employees and charged against this liability. As of September 30, 2021 and December 31, 2020, $0.3 million and $1.0 million, respectively, remain in accrued liabilities for the unpaid portion of the separation benefits.

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Summary of Significant Accounting Policies (Policies)

9 Months Ended

Sep. 30, 2021

Accounting Policies [Abstract]

Interim Financial Statements

Interim Financial Statements

The accompanying unaudited interim financial statements have been prepared from the books and records of the Company in accordance with GAAP for interim financial information and Rule 10-01 of Regulation S-X promulgated by the United States Securities and Exchange Commission, or SEC, which permit reduced disclosures for interim periods. All adjustments, consisting only of normal recurring adjustments, necessary for a fair presentation of the accompanying balance sheets and statements of operations and stockholders’ deficit and cash flows have been made. Although these interim financial statements do not include all of the information and footnotes required for complete annual financial statements, management believes the disclosures are adequate to make the information presented not misleading. Unaudited interim results of operations and cash flows for the three and nine months ended September 30, 2021 are not necessarily indicative of the results that may be expected for the full year. Unaudited interim financial statements and footnotes should be read in conjunction with the audited financial statements and footnotes included in the Company’s Form 10-K filed with the SEC on March 2, 2021, wherein a more complete discussion of significant accounting policies and certain other information can be found.

Use of Estimates

Use of Estimates

The preparation of financial statements in accordance with GAAP and the rules and regulations of the SEC requires the use of estimates and assumptions, based on judgments considered reasonable, which affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amounts of revenues and expenses during the reporting period. The Company bases its estimates and assumptions on historical experience, known trends and events and various other factors that management believes to be reasonable under the circumstances, the results of which form the basis for making judgments about the carrying value of assets and liabilities that are not readily apparent from other sources. Although management believes its estimates and assumptions are reasonable when made, they are based upon information available at the time they are made. Management evaluates the estimates and assumptions on an ongoing basis and, if necessary, makes adjustments. Due to the risks and uncertainties involved in the Company’s business and evolving market conditions, including those related to the COVID-19 pandemic, and given the subjective element of the estimates and assumptions made, actual results may differ materially from estimated results.

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Fair Value Measurement and Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2021

Fair Value Disclosures [Abstract]

Schedule of Carrying Amounts and Fair Values of Financial Instruments

The following tables set forth the carrying amounts and fair values of the Company’s financial instruments as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30, 2021
					Fair Value Measurement Based on
					Quoted		Significant
					Prices In		other		Significant
					Active		Observable		Unobservable
	Carrying				Markets		Inputs		Inputs
	Amount		Fair Value		(Level 1)		(Level 2)		(Level 3)
Assets
Money market funds (cash equivalents)	$	96,231	$	96,231	$	96,231	$	—	$	—

	December 31, 2020
					Fair Value Measurement Based on
					Quoted		Significant
					Prices In		other		Significant
					Active		Observable		Unobservable
	Carrying				Markets		Inputs		Inputs
	Amount		Fair Value		(Level 1)		(Level 2)		(Level 3)
Assets
Money market funds (cash equivalents)	$	47,117	$	47,117	$	47,117	$	—	$	—

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Accounts Receivable (Tables)

9 Months Ended

Sep. 30, 2021

Receivables [Abstract]

Composition of Accounts Receivable, Net

The following table presents the composition of accounts receivable, net as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Gross accounts receivable - trade	$	8,907	$	8,178
Less: Allowances for doubtful accounts		(1,158)		(1,012)
Accounts receivable, net	$	7,749	$	7,166

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Property and Equipment and Capitalized Software (Tables)

9 Months Ended

Sep. 30, 2021

Property Plant And Equipment [Abstract]

Summary of Composition of Property and Equipment, Net

The following table presents the composition of property and equipment, net as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Laboratory equipment	$	214	$	150
Office equipment		497		487
Computer equipment and software		1,555		1,360
Manufacturing equipment		341		273
Leasehold improvements		459		459
Rental equipment		366		405
Property and equipment, gross		3,432		3,134
Less: Accumulated depreciation		(2,512)		(2,404)
Property and equipment, net	$	920	$	730

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Leases (Tables)

9 Months Ended

Sep. 30, 2021

Leases [Abstract]

Schedule of Supplemental Cash Flow Information as Lessee Related to Leases

The following table presents the supplemental cash flow information as a lessee related to leases (in thousands):

	Nine Months Ended
	September 30, 2021		September 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$	526	$	575

Schedule of Future Payments of Operating Lease Liabilities

The following table sets forth by year the required future payments of operating lease liabilities (in thousands):

	September 30, 2021
Remainder of 2021	$	157
2022		639
2023		636
2024		646
2025		660
Thereafter		1,487
Total lease payments		4,225
Less imputed interest		(787)
Present value of operating lease liabilities	$	3,438

Schedule of Profit Recognized on Sales-type Leases

The following table sets forth the profit recognized on sales-type leases (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Profit recognized at commencement, net	$	262	$	81	$	543	$	807
Interest income		—		—		—		—
Total sales-type lease income	$	262	$	81	$	543	$	807

Schedule of Maturity Analysis of Undiscounted Lease Receivables Related to Sales-type Leases

The following table sets forth a maturity analysis of the undiscounted lease receivables related to sales-type leases (in thousands):

	September 30,
	2021
Remainder of 2021	$	445
2022		2,001
2023		998
2024		290
2025		143
Total sales-type lease receivables	$	3,877

Schedule of Maturity Analysis of Undiscounted Lease Receivable Related to Operating Leases

The following table sets forth a maturity analysis of its undiscounted lease receivables related to operating leases as of September 30, 2021 (in thousands):

	September 30,
	2021
Remainder of 2021	$	4
Total lease receivables	$	4

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Accrued Expenses (Tables)

9 Months Ended

Sep. 30, 2021

Payables And Accruals [Abstract]

Summary of Composition of Accrued Expenses

The following table presents the composition of accrued expenses as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Compensation and related benefits	$	4,035	$	5,023
Consulting and professional fees		779		292
Research and development expenses		362		138
Sales and marketing expenses		312		73
Warranty		300		536
Sales and other taxes payable		616		726
Other		509		531
Accrued expenses	$	6,913	$	7,319

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Deferred Revenue (Tables)

9 Months Ended

Sep. 30, 2021

Deferred Revenue [Abstract]

Summary of Percentages of Deferred Revenue by Year

As of September 30, 2021, the Company expects to recognize approximately the following percentages of deferred revenue by year:

	Revenue
Year:	Recognition
Remainder of 2021	22	%
2022	32	%
2023	20	%
2024	20	%
2025	6	%
Thereafter	—	%
Total	100	%

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Debt (Tables)

9 Months Ended

Sep. 30, 2021

Debt Disclosure [Abstract]

Summary of Composition of Debt

The following table presents the composition of debt as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30,		December 31,
	2021		2020
Outstanding principal	$	35,000	$	35,000
Accrued final payment fees		1,925		1,925
Less debt discounts		(1,821)		(2,305)
Total debt, net		35,104		34,620
Less current portion		(35,104)		—
Long-term debt, net	$	—	$	34,620

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Common Stock (Tables)

9 Months Ended

Sep. 30, 2021

Equity [Abstract]

Summary of Common Stock Issued and Reserved for Issuance

The following table summarizes the total number of shares of the Company’s common stock issued and reserved for issuance as of September 30, 2021 and December 31, 2020 (in thousands):

	September 30, 2021	December 31, 2020
Shares of common stock issued	26,335	19,114
Shares of common stock reserved for issuance for:
Common stock warrants outstanding	75	105
Stock options outstanding	1,567	2,365
Restricted stock units outstanding	2,042	1,860
Shares available for grant under stock incentive plan	2,101	1,530
Shares available for sale under employee stock purchase plan	799	608
Total shares of common stock issued and reserved for issuance	32,919	25,582

Summary of Outstanding Warrants

The following tables summarize the Company’s outstanding common stock warrants as of September 30, 2021, and December 31, 2020:

September 30, 2021
Warrants
Outstanding
(in thousands)	Exercise Price		Expiration Date
14	$	19.55	Dec-2022
20	$	9.73	Aug-2023
20	$	9.73	Mar-2024
21	$	9.73	Dec-2024
75

December 31, 2020
Warrants
Outstanding
(in thousands)	Exercise Price		Expiration Date
14	$	19.55	Dec-2022
30	$	9.73	Feb-2021
20	$	9.73	Aug-2023
20	$	9.73	Mar-2024
21	$	9.73	Dec-2024
105

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Loss Per Share (Tables)

9 Months Ended

Sep. 30, 2021

Earnings Per Share [Abstract]

Schedule of Potentially Dilutive Securities Outstanding Excluded from Diluted Loss Per Share Calculation

The following potentially dilutive securities outstanding as of September 30, 2021 and 2020 have been excluded from the denominator of the diluted loss per share of common stock outstanding calculation (in thousands):

	September 30,
	2021	2020
Stock options	1,567	2,594
Non-vested performance restricted stock units	395	500
Non-vested restricted stock units	1,647	1,850
Common stock warrants	75	105

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Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2021

Disclosure Of Compensation Related Costs Share-based Payments [Abstract]

Summary of Share-Based Compensation Expense

The amount of share-based compensation expense recognized by the Company by location in its statements of operations for the three and nine months ended September 30, 2021 and 2020 is as follows (in thousands):

	Three Months Ended September 30,				Nine Months Ended September 30,
	2021		2020		2021		2020
Cost of revenues	$	23	$	17	$	56	$	48
Sales and marketing		515		370		1,608		1,036
General and administrative		1,368		572		4,368		1,440
Research and development		55		87		134		364
Total	$	1,961	$	1,046	$	6,166	$	2,888

Summary of Stock Option Activity

The following table summarizes the Company’s stock option activity for the nine months ended September 30, 2021:

					Aggregate
	Number of	Weighted-		Weighted-	average
	Shares under	average		Remaining	Intrinsic
	Option	Exercise Price		Contractual	Value
	(in thousands)	per Option		Life (in years)	(in thousands)
Outstanding at December 31, 2020	2,365	$	4.62
Granted	—	$	—
Exercised	(669)	$	4.01
Forfeited	(129)	$	14.93
Outstanding at September 30, 2021	1,567	$	4.19	7.6	$	5,611
Exercisable at September 30, 2021	733	$	5.16	6.5	$	2,280
Vested and expected to vest at September 30, 2021	1,567	$	4.19	7.6	$	5,611

Summary of Restricted Stock Units and Performance Restricted Stock Units Activity

The following table summarizes the Company’s restricted stock unit and performance restricted stock unit activity for September 30, 2021:

	Non-vested		Weighted-	Non-vested		Weighted-
	Restricted		average	Performance Restricted		average
	Stock Units		Grant-date	Stock Units		Grant-date
	(in thousands)		Fair Value	(in thousands)		Fair Value
Non-vested at December 31, 2020	1,860	$	3.58	500	$	1.71
Granted	846	$	12.72	145	$	15.59
Vested	(741)	$	3.54	(250)	$	1.77
Forfeited	(318)	$	7.42	—	$	—
Non-vested at September 30, 2021	1,647	$	7.55	395	$	6.77

Summary of Inputs and Assumptions used to Estimated Grant-date Fair Value of Performance Restricted Stock Units

For the period ended September 30, 2021 and December 31, 2020, the grant-date fair value of the performance restricted stock units was estimated at the time of grant using the following inputs and assumptions in the Monte Carlo simulation valuation model:

	September 30, 2021				December 31, 2020
Closing price of common stock	$	15.92		$	1.98
Risk-free interest rate		1.15	%		0.63	%
Expected volatility		99.7	%		87.4	%

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Geographical Segment Information (Tables)

9 Months Ended

Sep. 30, 2021

Summary of Revenue Generated in Geographic Regions for Years Indicated

	Revenues by Geography
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
United States	$	13,280	96	%	$	12,029	97	%
International		519	4	%		419	3	%
Total revenues	$	13,799	100	%	$	12,448	100	%

	Revenues by Geography
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
United States	$	38,891	97	%	$	32,473	96	%
International		1,399	3	%		1,192	4	%
Total revenues	$	40,290	100	%	$	33,665	100	%

United States

Summary of Revenue Generated in Product Category for Years Indicated

	U.S. Revenues by Product Category
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	2,612	20	%	$	2,541	21	%
Treatment sessions		10,259	77	%		9,083	76	%
Other		409	3	%		405	3	%
Total U.S. revenues	$	13,280	100	%	$	12,029	100	%

	U.S. Revenues by Product Category
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	6,945	18	%	$	7,474	23	%
Treatment sessions		30,688	79	%		23,823	73	%
Other		1,258	3	%		1,176	4	%
Total U.S. revenues	$	38,891	100	%	$	32,473	100	%

International

Summary of Revenue Generated in Product Category for Years Indicated

	International Revenues by Product Category
	Three Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	306	59	%	$	222	53	%
Treatment sessions		90	17	%		99	24	%
Other		123	24	%		98	23	%
Total International revenues	$	519	100	%	$	419	100	%

	International Revenues by Product Category
	Nine Months Ended September 30,
	2021				2020
			% of				% of
	Amount		Revenues		Amount		Revenues
	(in thousands, except percentages)
NeuroStar Advanced Therapy System	$	797	57	%	$	632	53	%
Treatment sessions		235	17	%		291	24	%
Other		367	26	%		269	23	%
Total International revenues	$	1,399	100	%	$	1,192	100	%

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Description of Business - Additional Information (Details) - USD ($) $ in Thousands		9 Months Ended		12 Months Ended
	Feb. 02, 2021	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020	Apr. 30, 2020
Description Of Business [Line Items]
Cash and cash equivalents		$ 99,434		$ 48,957
Accumulated deficit		301,097		277,540
Cash flows from operating activities		23,459	$ 26,687	$ 28,400
Common stock offering, net proceeds	$ 80,600	80,972
Paycheck Protection Program (the "PPP") | Silicon Valley Bank
Description Of Business [Line Items]
Unsecured debt					$ 6,400
$35.0 Million Credit Facility | Oxford Finance LLC
Description Of Business [Line Items]
Borrowings outstanding under credit facility		$ 35,000
Credit facility maturity date		Feb. 01, 2025

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Fair Value Measurement and Financial Instruments - Schedule of Carrying Amounts and Fair Values of Financial Instruments (Details) - Money market funds - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Carrying Amount
Assets
Total assets	$ 96,231	$ 47,117
Fair Value
Assets
Total assets	96,231	47,117
Quoted Prices In Active Markets (Level 1)
Assets
Total assets	$ 96,231	$ 47,117

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Accounts Receivable - Composition of Accounts Receivable, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Receivables [Abstract]
Gross accounts receivable - trade	$ 8,907	$ 8,178
Less: Allowances for doubtful accounts	(1,158)	(1,012)
Accounts receivable, net	$ 7,749	$ 7,166

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Property and Equipment and Capitalized Software - Summary of Composition of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 3,432	$ 3,134
Less: Accumulated depreciation	(2,512)	(2,404)
Property and equipment, net	920	730
Laboratory Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	214	150
Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	497	487
Computer Equipment and Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,555	1,360
Manufacturing Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	341	273
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	459	459
Rental Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	366	405
Property and equipment, net	$ 300	$ 200

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Property and Equipment and Capitalized Software - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Depreciation and amortization expense	$ 0.2	$ 0.2	$ 0.8	$ 0.7
Prepaid Expenses and Other Current Assets [Member]
Property Plant And Equipment [Line Items]
Capitalized software cost, net	$ 2.0		$ 2.0
Other Assets [Member]
Property Plant And Equipment [Line Items]
Capitalized software cost, net					$ 1.2

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Note Receivable (Details) - Success T M S - Secured Promissory Note $ in Millions	Sep. 29, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Term of master sales agreement	5 years
Term of notes receivable	5 years
Principal amount of notes receivable	$ 10.0
Prime Rate
Accounts, Notes, Loans and Financing Receivable [Line Items]
Interest rate (as a percent)	6.00%

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Leases - Additional Information (Details) $ in Thousands	3 Months Ended			9 Months Ended
	Sep. 30, 2021 USD ($) ft²	Sep. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2021 USD ($) ft²	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Leases [Line Items]
Lessee, finance lease, lease not yet commenced, description				The Company does not currently have any finance leases or executed leases that have not yet commenced.
Operating lease, rent expense, net	$ 200	$ 200		$ 400	$ 500
Operating lease, weighted-average remaining lease term	6 years 4 months 24 days			6 years 4 months 24 days
Operating lease, weighted-average discount rate	6.50%			6.50%
Reimbursement of leasehold expenses			$ 800
Carrying amount of lease receivables	$ 3,900			$ 3,900
Unguaranteed residual assets	0			0
Operating lease income	30	100		200	200
Property and equipment, net	$ 920			$ 920		$ 730
NeuroStar Advanced Therapy Systems | Minimum
Leases [Line Items]
Lessor sales-type lease, Term	3 years			3 years
NeuroStar Advanced Therapy Systems | Maximum
Leases [Line Items]
Lessor sales-type lease, Term	4 years			4 years
Headquarters and Office Equipment, Including Copiers
Leases [Line Items]
Area of lease facility | ft²	32,000			32,000
Rental Equipment
Leases [Line Items]
Property and equipment, net	$ 300			$ 300		$ 200
Rental equipment depreciation expense	$ 10	$ 20		$ 30	$ 100

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Leases - Schedule of Supplemental Cash Flow Information as Lessee Related to Leases (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 526	$ 575

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Leases - Schedule of Future Payments of Operating Lease Liabilities (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Operating Lease Liabilities Payments Due [Abstract]
Remainder of 2021	$ 157
2022	639
2023	636
2024	646
2025	660
Thereafter	1,487
Total lease payments	4,225
Less imputed interest	(787)
Present value of operating lease liabilities	$ 3,438

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Leases - Schedule of Profit Recognized on Sales-type Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Sales Type Lease Lease Income [Abstract]
Profit recognized at commencement, net	$ 262	$ 81	$ 543	$ 807
Total sales-type lease income	$ 262	$ 81	$ 543	$ 807

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Leases - Schedule of Maturity Analysis of Undiscounted Lease Receivables Related to Sales-type Leases (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Sales Type And Direct Financing Leases Lease Receivable Fiscal Year Maturity [Abstract]
Remainder of 2021	$ 445
2022	2,001
2023	998
2024	290
2025	143
Total sales-type lease receivables	$ 3,877

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Leases - Schedule of Maturity Analysis of Undiscounted Lease Receivable Related to Operating Leases (Details) $ in Thousands	Sep. 30, 2021 USD ($)
Lessor Operating Lease Payments Fiscal Year Maturity [Abstract]
Remainder of 2021	$ 4
Total lease receivables	$ 4

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Prepaid Commission Expense - Additional Information (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Amortization Of Deferred Charges [Abstract]
Amortization period of deferred commissions			7 years
Amortization expense	$ 0.3	$ 0.2	$ 0.9	$ 0.6

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Accrued Expenses - Summary of Composition of Accrued Expenses (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Payables And Accruals [Abstract]
Compensation and related benefits	$ 4,035	$ 5,023
Consulting and professional fees	779	292
Research and development expenses	362	138
Sales and marketing expenses	312	73
Warranty	300	536
Sales and other taxes payable	616	726
Other	509	531
Accrued expenses	$ 6,913	$ 7,319

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Deferred Revenue - Summary of Percentages of Deferred Revenue by Year (Details)	Sep. 30, 2021
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, remaining performance obligation	100.00%
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Start Date [Axis]: 2021-10-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, remaining performance obligation	22.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Start Date [Axis]: 2022-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, remaining performance obligation	32.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Start Date [Axis]: 2023-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, remaining performance obligation	20.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Start Date [Axis]: 2024-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, remaining performance obligation	20.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Start Date [Axis]: 2025-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, remaining performance obligation	6.00%
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Start Date [Axis]: 2026-01-01
Revenue Remaining Performance Obligation Expected Timing Of Satisfaction [Line Items]
Revenue, remaining performance obligation, expected timing of satisfaction, period	1 year

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Deferred Revenue - Additional Information (Details) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) customer	Sep. 30, 2020 customer	Sep. 30, 2021 USD ($) customer	Sep. 30, 2020 customer
Deferred Revenue [Abstract]
Revenue recognized | $	$ 0.3		$ 1.8
Number of customer accounted for more than 10% of revenues | customer	1	1	1	1

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Debt - Summary of Composition of Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Debt Disclosure [Abstract]
Outstanding principal	$ 35,000	$ 35,000
Accrued final payment fees	1,925	1,925
Less debt discounts	(1,821)	(2,305)
Total debt, net	35,104	34,620
Less current portion	$ (35,104)
Long-term debt, net		$ 34,620

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Debt - Additional Information (Details)				1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 08, 2020 USD ($) tranche	Mar. 02, 2020 USD ($) tranche item	Feb. 29, 2020 USD ($)	Mar. 31, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)	Mar. 31, 2017 USD ($)
Debt Instrument [Line Items]
Interest expense					$ 1,000,000.0	$ 1,000,000.0	$ 3,000,000.0	$ 3,500,000
Cash interest expense					800,000	800,000	2,500,000	3,100,000
Non-cash interest expense					200,000	$ 200,000	$ 500,000	$ 400,000
Solar Capital Ltd
Debt Instrument [Line Items]
Amendment fee payable									$ 100,000
Solar Capital Ltd | Term A Loan | Maximum
Debt Instrument [Line Items]
Extended period of interest only term loan	36 months
Solar Capital Ltd | Term A Loan | Minimum
Debt Instrument [Line Items]
Extended period of interest only term loan	24 months
Solar Capital Ltd | Term A Loan and Term B Loan
Debt Instrument [Line Items]
Basis spread on variable rate		1.66%
Interest rate		7.65%
Interest-only period		2022-03
Interest-only period upon achievement of revenues		2023-02
Number of default events | item		0
Line of credit facility, conversion to term loan, conditions							At the Company’s election, the interest only period may be extended through February 2023 if the Company satisfies a minimum net product revenue covenant through March 1, 2022 and no event of default shall have occurred
Solar Capital Ltd | $35.0 Million Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity										$ 35,000,000.0
Solar Capital Ltd | $35.0 Million Credit Facility | Term A Loan
Debt Instrument [Line Items]
Borrowings outstanding under credit facility		$ 35,000,000.0
Solar Capital Ltd | $50.0 Million Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 50,000,000.0
Term loans number of tranches | tranche		2
Increase in final payment fees percentage upon extension interest only periods		5.50%
Trailing twelve month net product revenue first threshold limit to pay exit fee		$ 100,000,000
Trailing twelve month net product revenue Second threshold limit to pay exit fee		$ 125,000,000
Percentage of exit fee for liquidation, dissolution, winding up or change of control of the Company		4.50%
Percentage of exit fee upon achievement of any trailing twelve month revenues		2.25%
Percentage of exit fee upon achievement of both trailing twelve month revenues		4.50%
Capped exit fee percentage on term loan principal amount		4.50%
Solar Capital Ltd | $50.0 Million Credit Facility | Prepaid on or Before First Anniversary of Funding
Debt Instrument [Line Items]
Prepayment fees percentage		3.00%
Solar Capital Ltd | $50.0 Million Credit Facility | Prepaid After First and on or Before Second Anniversary of Funding
Debt Instrument [Line Items]
Prepayment fees percentage		2.00%
Solar Capital Ltd | $50.0 Million Credit Facility | Prepaid After Second Anniversary of Funding
Debt Instrument [Line Items]
Prepayment fees percentage		1.00%
Solar Capital Ltd | $50.0 Million Credit Facility | Term A Loan
Debt Instrument [Line Items]
Credit facility maturity date		Feb. 28, 2025
Solar Capital Ltd | $15 Million Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity	$ 15,000,000.0
Solar Capital Ltd | $15 Million Credit Facility | Term B Loan
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity		$ 15,000,000.0
Line of credit facility, conversion to term loan, conditions							Under the Term B Loan portion of the Solar Facility, the Company is permitted to borrow, at its election, up to an aggregate amount of $15.0 million, (i) upon the Company achieving a specified amount of trailing twelve months net product revenue, and (ii) assuming there has been no event of default under the Solar Facility prior to such election. Once the net product revenue condition has been satisfied, the Company may only make an election to borrow under the Term B Loan portion of the Solar Facility until the earlier of (a) December 15, 2021, (b) 30 days following achievement of the net product revenue condition or (c) the occurrence of an event of default.
Solar Capital Ltd | $5.0 Million Credit Facility
Debt Instrument [Line Items]
Borrowings outstanding under credit facility	$ 5,000,000.0
Term loans number of tranches | tranche	3
Oxford Finance LLC
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity				$ 35,000,000.0
Debt instrument, final payment fee				2,500,000
Combined debt discount and deferred issuance costs				$ 600,000
Oxford Finance LLC | Term A Loan
Debt Instrument [Line Items]
Final payment fees percentage			8.50%
Oxford Finance LLC | Term B Loan
Debt Instrument [Line Items]
Final payment fees percentage			7.50%
Oxford Finance LLC | $35.0 Million Credit Facility
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 35,000,000.0
Borrowings outstanding under credit facility					$ 35,000,000.0		$ 35,000,000.0
Credit facility maturity date							Feb. 01, 2025
Debt instrument, interest rate					8.15%		8.15%
Oxford Finance LLC | $35.0 Million Credit Facility | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate							7.38%
Debt instrument, description of variable rate basis							30 day U.S. LIBOR
Oxford Finance LLC | $35.0 Million Credit Facility | Term A Loan
Debt Instrument [Line Items]
Borrowings outstanding under credit facility			25,000,000
Oxford Finance LLC | $35.0 Million Credit Facility | Term B Loan
Debt Instrument [Line Items]
Borrowings outstanding under credit facility			5,000,000.0
Oxford Finance LLC | $35.0 Million Credit Facility | Term C Loan
Debt Instrument [Line Items]
Line of credit facility, current borrowing capacity			$ 5,000,000.0

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Common Stock - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	9 Months Ended
	Feb. 02, 2021	Mar. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Stockholders Deficit [Line Items]
Common stock shares issued and sold	5,566,000
Public offering price	$ 15.50
Net proceeds from initial public offering	$ 80,600		$ 80,972
Common stock, par value			$ 0.01	$ 0.01
Common stock, shares authorized			200,000,000	200,000,000
Common stock, shares outstanding			26,335,000	19,114,000
Preferred stock, par value			$ 0.01	$ 0.01
Preferred stock, shares authorized			10,000,000	10,000,000
Common Stock
Stockholders Deficit [Line Items]
Common stock shares issued and sold		5,566,000

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Common Stock - Summary of Common Stock Issued and Reserved for Issuance (Details) - shares	Sep. 30, 2021	Dec. 31, 2020
Stockholders Deficit [Line Items]
Shares of common stock issued	26,335,000	19,114,000
Shares of common stock reserved for issuance for:
Total shares of common stock issued and reserved for issuance	32,919,000	25,582,000
Common Stock Warrants
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	75,000	105,000
Stock Options Outstanding
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	1,567,000	2,365,000
Restricted Stock Units Outstanding
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	2,042,000	1,860,000
Shares Available for Grant Under Stock Incentive Plan
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	2,101,000	1,530,000
2018 ESPP
Shares of common stock reserved for issuance for:
Shares of common stock reserved for issuance	799,000	608,000

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Common Stock - Summary of Outstanding Common Stock Warrants (Details) - $ / shares shares in Thousands	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	75	105
Exercise Price $19.55
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	14	14
Exercise Price	$ 19.55	$ 19.55
Expiration Date	2022-12	2022-12
Exercise Price $9.73.
Class Of Warrant Or Right [Line Items]
Warrants Outstanding		30
Exercise Price		$ 9.73
Expiration Date		2021-02
Exercise Price $9.73
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	20	20
Exercise Price	$ 9.73	$ 9.73
Expiration Date	2023-08	2023-08
Exercise Price. $9.73
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	20	20
Exercise Price	$ 9.73	$ 9.73
Expiration Date	2024-03	2024-03
Exercise Price. $9.73.
Class Of Warrant Or Right [Line Items]
Warrants Outstanding	21	21
Exercise Price	$ 9.73	$ 9.73
Expiration Date	2024-12	2024-12

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Loss Per Share - Schedule of Potentially Dilutive Securities Outstanding Excluded from Diluted Loss Per Share Calculation (Details) - shares shares in Thousands	9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020
Stock Options Outstanding
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive securities outstanding excluded from diluted loss per share	1,567	2,594
Non-Vested Performance Restricted Stock Units
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive securities outstanding excluded from diluted loss per share	395	500
Restricted Stock Units Outstanding
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive securities outstanding excluded from diluted loss per share	1,647	1,850
Common Stock Warrants
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Potentially dilutive securities outstanding excluded from diluted loss per share	75	105

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Share-Based Compensation - Summary of Share-Based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	$ 1,961	$ 1,046	$ 6,166	$ 2,888
Cost of Revenues
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	23	17	56	48
Sales and Marketing
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	515	370	1,608	1,036
General and Administrative
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	1,368	572	4,368	1,440
Research and Development
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]
Total	$ 55	$ 87	$ 134	$ 364

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Share-Based Compensation - Additional Information (Details) $ / shares in Units, $ in Thousands, shares in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021 USD ($) shares	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) installment shares	Sep. 30, 2020 USD ($)	Feb. 02, 2021 $ / shares	Dec. 31, 2020 shares
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expenses	$ 1,961	$ 1,046	$ 6,166	$ 2,888
Intrinsic value of stock options exercised			8,100
Share Price | $ / shares					$ 15.50
Total	1,961	1,046	6,166	2,888
Stock Options Outstanding
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expenses	200	300	600	1,200
Unrecognized compensation cost related to non-vested stock options	1,500		$ 1,500
Non-vested awards not yet recognized weighted-average period for recognition			2 years 2 months 12 days
Total	200	300	$ 600	1,200
Restricted Stock Units and Performance Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation expenses	1,800	600	$ 5,500	1,700
Non-vested awards not yet recognized weighted-average period for recognition			2 years 2 months 12 days
Unrecognized compensation cost related to non-vested restricted stock	10,500		$ 10,500
Fair value of restricted stock vested			13,900
Total	$ 1,800	$ 600	$ 5,500	$ 1,700
2018 Equity Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Annual percentage increase in number of shares authorized for issuance			4.00%
Vesting terms of stock options			stock options vest 25% upon the first anniversary of the date of grant and the remainder ratably monthly thereafter for 36 months. Restricted stock units generally vest ratably in three equal installments on the first, second and third anniversaries of the grant date.
Number of vesting installments | installment			3
Shares available for future issuance | shares	2.0		2.0
2018 Equity Incentive Plan | PRSUs | Common Stock
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted average price, number of days trailing			30 days
2018 Equity Incentive Plan | First Anniversary of Date of Grant
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Vesting percentage of stock options			25.00%
2018 Equity Incentive Plan | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance | shares	1.4		1.4
Maximum contractual term of stock options			10 years
2020 Inducement Incentive Plan
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Shares available for future issuance | shares	0.1		0.1
2020 Inducement Incentive Plan | Maximum
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of shares authorized for issuance | shares						0.4

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Share-Based Compensation - Summary of Stock Option Activity (Details) - Stock Options Outstanding - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	9 Months Ended
	Sep. 30, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of Shares under Option, Outstanding, Beginning balance	2,365
Number of Shares under Option, Exercised	(669)
Number of Shares under Option, Forfeited	(129)
Number of Shares under Option, Outstanding, Ending balance	1,567
Number of Shares under Option, Exercisable	733
Number of Shares under Option, Vested and expected to vest	1,567
Weighted-average Exercise Price per Option, Outstanding, Beginning balance	$ 4.62
Weighted-average Exercise Price per Option, Exercised	4.01
Weighted-average Exercise Price per Option, Forfeited	14.93
Weighted-average Exercise Price per Option, Outstanding, Ending balance	4.19
Weighted-average Exercise Price per Option, Exercisable	5.16
Weighted-average Exercise Price per Option, Vested and expected to vest	$ 4.19
Weighted-average Remaining Contractual Life, Outstanding	7 years 7 months 6 days
Weighted-average Remaining Contractual Life, Exercisable	6 years 6 months
Weighted-average Remaining Contractual Life, Vested and expected to vest	7 years 7 months 6 days
Aggregate Intrinsic Value, Outstanding	$ 5,611
Aggregate Intrinsic Value, Exercisable	2,280
Aggregate Intrinsic Value, Vested and expected to vest	$ 5,611

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Share-Based Compensation - Summary of Restricted Stock Units and Performance Restricted Stock Unit Activity (Details) shares in Thousands	9 Months Ended
	Sep. 30, 2021 $ / shares shares
Restricted Stock Units Outstanding
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested, Beginning balance | shares	1,860
Granted | shares	846
Vested | shares	(741)
Forfeited | shares	(318)
Non-vested, Ending balance | shares	1,647
Weighted-average Grant-date Fair Value, Non-vested, Beginning balance | $ / shares	$ 3.58
Weighted-average Grant-date Fair Value, Granted | $ / shares	12.72
Weighted-average Grant-date Fair Value, Vested | $ / shares	3.54
Weighted-average Grant-date Fair Value, Forfeited | $ / shares	7.42
Weighted-average Grant-date Fair Value, Non-vested, Ending balance | $ / shares	$ 7.55
Performance Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Non-vested, Beginning balance | shares	500
Granted | shares	145
Vested | shares	(250)
Non-vested, Ending balance | shares	395
Weighted-average Grant-date Fair Value, Non-vested, Beginning balance | $ / shares	$ 1.71
Weighted-average Grant-date Fair Value, Granted | $ / shares	15.59
Weighted-average Grant-date Fair Value, Vested | $ / shares	1.77
Weighted-average Grant-date Fair Value, Non-vested, Ending balance | $ / shares	$ 6.77

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Share-Based Compensation - Summary of Inputs and Assumptions used to Estimated Grant-date Fair Value of Performance Restricted Stock Unit (Details) - $ / shares	9 Months Ended	12 Months Ended
	Sep. 30, 2021	Dec. 31, 2020	Feb. 02, 2021
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Closing price of common stock			$ 15.50
Performance Restricted Stock Units
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Closing price of common stock	$ 15.92	$ 1.98
Risk-free interest rate	1.15%	0.63%
Expected volatility	99.70%	87.40%

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Geographical Segment Information - Additional Information (Details)	9 Months Ended
	Sep. 30, 2021 segment
Segments Geographical Areas [Abstract]
Number of operating business segment	1

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Geographical Segment Information - Summary of Revenue Generated in Geographic Regions for Years Indicated (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Revenues	$ 13,799	$ 12,448	$ 40,290	$ 33,665
Revenues | Geographic Concentration
Segment Reporting Information [Line Items]
Revenues	$ 13,799	$ 12,448	$ 40,290	$ 33,665
Percentage of Revenues	100.00%	100.00%	100.00%	100.00%
Revenues | United States | Geographic Concentration
Segment Reporting Information [Line Items]
Revenues	$ 13,280	$ 12,029	$ 38,891	$ 32,473
Percentage of Revenues	96.00%	97.00%	97.00%	96.00%
Revenues | International | Geographic Concentration
Segment Reporting Information [Line Items]
Revenues	$ 519	$ 419	$ 1,399	$ 1,192
Percentage of Revenues	4.00%	3.00%	3.00%	4.00%

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Geographical Segment Information - Summary of Revenue Generated in Product Category for Years Indicated (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Segment Reporting Information [Line Items]
Revenues	$ 13,799	$ 12,448	$ 40,290	$ 33,665
Product Category | United States | Revenues
Segment Reporting Information [Line Items]
Revenues	$ 13,280	$ 12,029	$ 38,891	$ 32,473
Percentage of Revenues	100.00%	100.00%	100.00%	100.00%
Product Category | United States | Revenues | NeuroStar Advanced Therapy System
Segment Reporting Information [Line Items]
Revenues	$ 2,612	$ 2,541	$ 6,945	$ 7,474
Percentage of Revenues	20.00%	21.00%	18.00%	23.00%
Product Category | United States | Revenues | Treatment Sessions
Segment Reporting Information [Line Items]
Revenues	$ 10,259	$ 9,083	$ 30,688	$ 23,823
Percentage of Revenues	77.00%	76.00%	79.00%	73.00%
Product Category | United States | Revenues | Other
Segment Reporting Information [Line Items]
Revenues	$ 409	$ 405	$ 1,258	$ 1,176
Percentage of Revenues	3.00%	3.00%	3.00%	4.00%
Product Category | International | Revenues
Segment Reporting Information [Line Items]
Revenues	$ 519	$ 419	$ 1,399	$ 1,192
Percentage of Revenues	100.00%	100.00%	100.00%	100.00%
Product Category | International | Revenues | NeuroStar Advanced Therapy System
Segment Reporting Information [Line Items]
Revenues	$ 306	$ 222	$ 797	$ 632
Percentage of Revenues	59.00%	53.00%	57.00%	53.00%
Product Category | International | Revenues | Treatment Sessions
Segment Reporting Information [Line Items]
Revenues	$ 90	$ 99	$ 235	$ 291
Percentage of Revenues	17.00%	24.00%	17.00%	24.00%
Product Category | International | Revenues | Other
Segment Reporting Information [Line Items]
Revenues	$ 123	$ 98	$ 367	$ 269
Percentage of Revenues	24.00%	23.00%	26.00%	23.00%

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Severance - Additional Information (Details) $ in Thousands		3 Months Ended			9 Months Ended
	Apr. 08, 2020 employee	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2020 USD ($)	Dec. 31, 2020 USD ($)
Restructuring Cost And Reserve [Line Items]
Accrued liabilities		$ 6,913			$ 6,913		$ 7,319
Transition Separation Agreement
Restructuring Cost And Reserve [Line Items]
Restructuring charges		300	$ 200		500	$ 1,300
Accrued liabilities		$ 300			300		$ 1,000
Reduction in Force
Restructuring Cost And Reserve [Line Items]
Number of employees terminated | employee	95
Restructuring charges				$ 2,100
Termination Benefits | Transition Separation Agreement
Restructuring Cost And Reserve [Line Items]
Payments for restructuring					$ 1,100	$ 500