Marin Software (MRIN) 10-Q 4 May 23 2023 Q1 Quarterly report Financial data

Document and Entity Information

Document and Entity Information - shares	3 Months Ended
	Mar. 31, 2023	Apr. 28, 2023
Cover [Abstract]
Entity Registrant Name	Marin Software Incorporated
Entity Central Index Key	0001389002
Current Fiscal Year End Date	--12-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Document Quarterly Report	true
Document Transition Report	false
Entity Common Stock, Shares Outstanding		17,248,081
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Mar. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q1
Entity File Number	001-35838
Entity Tax Identification Number	20-4647180
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	845 Market Street
Entity Address, Address Line Two	Suite 450
Entity Address, City or Town	San Francisco
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	94103
City Area Code	415
Local Phone Number	399-2580
Title of 12(b) Security	Common Stock, $0.001 Par Value Per Share
Trading Symbol	MRIN
Security Exchange Name	NASDAQ

CONDENSED CONSOLIDATED BALANCE

CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 23,716	$ 27,957	[1]
Accounts receivable, net	4,054	4,521	[1]
Prepaid expenses and other current assets	1,653	2,016	[1]
Total current assets	29,423	34,494	[1]
Property and equipment, net	3,398	3,213	[1]
Right-of-use assets, operating leases	3,606	3,844	[1]
Other non-current assets	567	533	[1]
Total assets	36,994	42,084	[1]
Current liabilities:
Accounts payable	1,208	1,011	[1]
Accrued expenses and other current liabilities	3,178	3,513	[1]
Operating lease liabilities	1,749	1,645	[1]
Total current liabilities	6,135	6,169	[1]
Operating lease liabilities, non-current	1,857	2,199	[1]
Other long-term liabilities	1,017	1,002	[1]
Total liabilities	9,009	9,370	[1]
Commitments and contingencies (Note 13)
Stockholders’ equity:
Common stock, $0.001 par value - 142,857 shares authorized, 17,226 and 17,226 shares issued and outstanding at March 31, 2023 and December 31, 2022, respectively	17	17	[1]
Additional paid-in capital	357,055	355,996	[1]
Accumulated deficit	(328,117)	(322,334)	[1]
Accumulated other comprehensive loss	(970)	(965)	[1]
Total stockholders’ equity	27,985	32,714	[1]
Total liabilities and stockholders’ equity	$ 36,994	$ 42,084	[1]
[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

CONDENSED CONSOLIDATED BALANC_2

CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (Unaudited) - $ / shares shares in Thousands	Mar. 31, 2023	Dec. 31, 2022	[1]
Stockholders’ equity:
Common stock, par value (in dollars per share)	$ 0.001	$ 0.001
Common stock, authorized (in shares)	142,857	142,857
Common stock, issued (in shares)	17,240	17,226
Common stock, outstanding (in shares)	17,240	17,226
[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

CONDENSED CONSOLIDATED STATEMEN

CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Statement [Abstract]
Revenues, net	$ 4,583	$ 5,161
Cost of revenues	3,240	3,328
Gross profit	1,343	1,833
Operating expenses
Sales and marketing	2,025	1,787
Research and development	2,942	2,917
General and administrative	2,336	2,469
Total operating expenses	7,303	7,173
Loss from operations	(5,960)	(5,340)
Other income, net	225	3,402
Loss before income taxes	(5,735)	(1,938)
Provision for income taxes	48	61
Net loss	(5,783)	(1,999)
Foreign currency translation adjustments	(5)	3
Comprehensive loss	$ (5,788)	$ (1,996)
Net loss per share available to common stockholders, basic (Note 11)	$ (0.34)	$ (0.13)
Net loss per share available to common stockholders, diluted (Note 11)	$ (0.34)	$ (0.13)
Weighted-average shares used to compute net loss per share available to common stockholders, basic	17,235	15,537
Weighted-average shares used to compute net loss per share available to common stockholders, diluted	17,235	15,537

CONDENSED CONSOLIDATED STATEM_2

CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) - USD ($) $ in Thousands	Total		Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Deficit [Member]	Accumulated Other Comprehensive Loss [Member]
Balances at beginning of period at Dec. 31, 2021	$ 46,258		$ 15	$ 351,394	$ (304,107)	$ (1,044)
Balances at beginning of period (in shares) at Dec. 31, 2021			15,532,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from vesting of restricted stock units (Note 7)			11,000
Tax withholding related to vesting of restricted stock units	(29)			(29)
Stock-based compensation expense	883			883
Net loss	(1,999)				(1,999)
Foreign currency translation adjustments	3					3
Balances at end of period at Mar. 31, 2022	45,116		$ 15	352,248	(306,106)	(1,041)
Balances at end of period (in shares) at Mar. 31, 2022			15,543,000
Balances at beginning of period at Dec. 31, 2021	46,258		$ 15	351,394	(304,107)	(1,044)
Balances at beginning of period (in shares) at Dec. 31, 2021			15,532,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net loss	(18,227)
Balances at end of period at Dec. 31, 2022	32,714	[1]	$ 17	355,996	(322,334)	(965)
Balances at end of period (in shares) at Dec. 31, 2022			17,226,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Issuance of common stock from vesting of restricted stock units (Note 7)			14,000
Tax withholding related to vesting of restricted stock units	(10)			(10)
Stock-based compensation expense	1,069			1,069
Net loss	(5,783)				(5,783)
Foreign currency translation adjustments	(5)					(5)
Balances at end of period at Mar. 31, 2023	$ 27,985		$ 17	$ 357,055	$ (328,117)	$ (970)
Balances at end of period (in shares) at Mar. 31, 2023			17,240,000
[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

CONDENSED CONSOLIDATED STATEM_3

CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Operating activities:
Net loss	$ (5,783)	$ (1,999)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	11	179
Amortization of internally developed software	419	542
Amortization of deferred costs to obtain and fulfill contracts	94	83
Forgiveness of Paycheck Protection Program loan	0	(3,117)
Interest expense	0	3
Loss on disposals of property and equipment and right-of-use assets	0	1
Unrealized foreign currency losses	4	26
Stock-based compensation related to equity awards	1,032	857
Provision for bad debts	(279)	20
Net change in operating leases	0	(134)
Deferred income tax benefits	0	(83)
Changes in operating assets and liabilities
Accounts receivable	734	291
Prepaid expenses and other assets	232	616
Accounts payable	194	(238)
Accrued expenses and other liabilities	(350)	(1,629)
Net cash used in operating activities	(3,692)	(4,582)
Investing activities:
Purchases of property and equipment	0	(12)
Capitalization of internally developed software	(579)	(486)
Net cash used in investing activities	(579)	(498)
Financing activities:
Repayment of Paycheck Protection Program loan	0	(203)
Employee taxes paid for withheld shares upon equity award settlement	(10)	(12)
Proceeds from employee stock purchase plan, net	18	21
Net cash used in financing activities	8	(194)
Effect of foreign exchange rate changes on cash and cash equivalents and restricted cash	22	(27)
Net decrease in cash and cash equivalents and restricted cash	(4,241)	(5,301)
Cash and cash equivalents and restricted cash:
Beginning of period	27,957	47,057
End of the period	23,716	41,756
Supplemental disclosures of non-cash investing and financing activities:
Forgiveness of Paycheck Protection Program loan	$ 0	$ 3,117

Summary of Business and Signifi

Summary of Business and Significant Accounting Policies	3 Months Ended
	Mar. 31, 2023
Accounting Policies [Abstract]
Summary of Business and Significant Accounting Policies	1. Summary of Business and Significant Accounting Policies Marin Software Incorporated (the “Company”) was incorporated in Delaware in March 2006. The Company provides enterprise marketing software for advertisers and agencies to integrate, align and amplify their digital advertising spend across the web and mobile devices. Offered as a unified software-as-a-service (“SaaS”) advertising management solution for search, social and eCommerce advertising, the Company’s platform helps digital marketers convert precise audiences, improve financial performance and make better decisions. Basis of Presentation and Consolidation The accompanying unaudited condensed consolidated financial statements and condensed footnotes have been prepared in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles (“GAAP”) for complete financial statements. In the opinion of management, all adjustments, consisting of only normal recurring items, considered necessary for fair statement have been included. The results of operations for the three months ended March 31, 2023 are not necessarily indicative of the results to be expected for the year ending December 31, 2023, or for other interim periods or future years. The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. The condensed consolidated balance sheet as of December 31, 2022 is derived from audited financial statements as of that date but does not include all of the information and footnotes required by GAAP for complete financial statements. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022, filed with the Securities and Exchange Commission ("SEC") on February 23, 2023. Liquidity The Company has incurred significant losses in each fiscal year since its incorporation in 2006. The Company incurred a net loss of $ 5,783 fo r the three months ended March 31, 2023 and a net loss of $ 18,227 for the year ended December 31, 2022. As of March 31, 2023, the Company had an accumulated deficit of $ 328,117 . The Company had cash and cash equivalents of $ 23,716 as of March 31, 2023. Management expects to incur additional losses and experience negative operating cash flows in the future. The financial statements have been prepared assuming that the Company will continue as a going concern. These financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or amounts and classifications of liabilities that might be necessary should the Company be unable to continue as a going concern. Based on the funds it has available as of the date of the filing of this report and the effective implementation of cost saving measures that the Company believes is probable it will achieve, the Company believes that it has sufficient capital to fund its current business plans and obligations over, at least, 12 months from the date that these financial statements have been issued. The Company’s ability to achieve its business objectives and to continue to meet its obligations is dependent upon maintaining a certain level of liquidity, which could be impacted by several factors, including the extent of customer acceptance, adoption and use of its MarinOne platform and general macroeconomic conditions such as inflation or the extent and duration of any recession. Although the Company has pursued, and may continue to pursue, additional sources of liquidity, including additional equity and debt financing, there is no assurance that any additional financing will be available on acceptable terms, or at all. The Company’s ability to continue as a going concern is substantially dependent upon its ability to reduce its expenses, enter into strategic partnerships, improve customer retention rates and increase new bookings. If the Company is unable to raise sufficient additional capital or unable to consummate other strategic agreements, it is probable that the Company may be required to initiate further cost savings activities. In August 2021, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective by the SEC on August 19, 2021 and provides that the Company may offer its common stock, preferred stock, debt securities, warrants, subscription rights and units having an aggregate offering price of up to $ 100,000 . As part of this 2021 registration statement, the Company entered into a third equity distribution agreement with JMP Securities and established a new $ 50,000 “at-the-market” securities offering facility pursuant to which it may be able to issue and sell shares of its common stock. During the year ended December 31, 2022, the Company sold 1,073 shares of its common stock under this new equity distribution agreement and received proceeds of approximately $ 1,333 , net of offering costs of $ 95 , at a weighted average sales price of $ 1.33 per share. In accordance with the SEC’s Instruction I.B.6 of Registration Statement on Form S-3, the Company adjusted the maximum aggregate market value of the securities that may be sold pursuant to this current "at-the-market" securities offering facility from $ 50,000 to approximately $ 22,800 based on the market capitalization of the Company on the date it filed its Annual Report on Form 10-K for the year ended December 31, 2021. The Company cannot provide any assurance that it will be able to raise any additional financing under this facility. The Company’s ability to raise any additional financing under this facility may be adversely affected if the Company’s common stock is delisted from Nasdaq. The Company is not aware of any specific event or circumstance that would require it to update its estimates, judgments or revise the carrying value of its assets or liabilities. These estimates may change, as new events occur and additional information is obtained, and are recognized in the consolidated financial statements as soon as they become known. Actual results could differ from those estimates and any such differences may be material to the Company’s financial statements. Fair Value of Financial Instruments The Company’s financial instruments, including accounts receivable, accounts payable and accrued expenses are carried at cost, which approximates fair value because of the short-term nature of those instruments. Cash equivalents are comprised of money market funds recorded at fair value and are classified as Level 1 within the fair value hierarchy. Allowances for Credit Losses and Revenue Credits The Company performs a regular review of its customers’ payment histories and associated credit risks and it generally does not require collateral from its customers. Certain contracts with advertising agencies contain sequential liability provisions, whereby the agency does not have an obligation to pay the Company until payment is received from the agency’s customers. In these circumstances, the Company evaluates the credit worthiness of the agency’s customers, in addition to the agency itself. The Company maintains an allowance for credit losses which reflects its best estimate of potentially uncollectible trade receivables and is based on both specific and general reserves. General reserves are maintained on a collective basis by considering factors such as historical experience, the age of the receivable balances, current economic conditions and a reasonable and supportable forecast of future economic conditions. The activity in the Company’s allowance for credit losses for the three months ended March 31, 2023 is summarized as follows (in thousands): Total Balance at December 31, 2022 $ 736 Current period provision for expected losses 1 Write-offs charged against allowance ( 157 ) Balance at March 31, 2023 $ 580 From time to time, the Company provides credits to customers that typically relate to customer disputes or billing adjustments and are recorded as a reduction of revenue. Reserves for these revenue credits are accounted for as variable consideration under authoritative revenue recognition guidance (see Note 2) and are estimated based on historical credit activity. As of March 31, 2023, and December 31, 2022, the Company recorded an allowance for potential customer credits in the amount of $ 87 and $ 110 , respectively. Long-Lived Assets Impairment Assessment The Company evaluates long-lived assets, excluding goodwill, for potential impairment whenever adverse events or changes in circumstances or business climate indicate that the expected undiscounted future cash flows related to such long-lived assets may not be sufficient to support the net book value of such assets. An impairment loss is recognized only if the carrying value of a long-lived asset or asset group is not recoverable and exceeds its fair value. The carrying value of a long-lived asset or asset group is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the asset. There were no such impairment losses recorded in any of the periods presented. Revenue Recognition The Company generates revenues principally from subscriptions either directly with advertisers or with advertising agencies to its platform for the management of search, social and eCommerce. The Company also generates revenues from strategic agreements with certain leading publishers. Under the subscription agreements, the Company receives consideration based on the advertising spend that customers manage on its platform. Revenues are recognized when control of these services is transferred to the Company’s customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those services. See Note 2 for further discussion of the Company’s revenues. Accounting Pronouncement Adopted in 2023 On January 1, 2023, the Company adopted Accounting Standards Update ("ASU") 2016-13, Financial Instruments – Credit Losses – Measurement of Credit Losses on Financial Instruments (Topic 326) , using the modified retrospective transition method. Upon adoption, we changed our impairment model to utilize a forward-looking current expected credit losses model in place of the incurred loss methodology for financial instruments measured at amortized cost, primarily the Company’s accounts receivable. The cumulative effect from adoption was immaterial to the Company’s condensed consolidated financial statements. Recent Accounting Pronouncement Not Yet Effective None.

Revenues

Revenues	3 Months Ended
	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
Revenues	2. Revenues Revenue Recognition The Company generates its revenues principally from subscriptions, either directly with advertisers or with advertising agencies, to its platform for the management of search, social, eCommerce and display advertising. It also generates a portion of its revenues from long-term strategic agreements with certain leading publishers. Revenues are recognized when control of these services is transferred to the Company’s customers in an amount that reflects the consideration the Company expects to be entitled to in exchange for those services. The Company determines revenue recognition through the following steps: • Identification of the contract, or contracts, with a customer; • Identification of the performance obligations in the contract; • Determination of the transaction price; • Allocation of the transaction price to the performance obligations in the contract; and • Recognition of revenue when, or as, the Company satisfies its performance obligations. Subscription The Company’s subscription contracts provide advertisers with access to the Company’s advertising management platform. Advertisers do not have the right to take possession of the software supporting the services at any time. These contracts are generally one year or less in length, though certain contracts extend up to two years . The subscription fee under most contracts consists of the greater of a minimum monthly platform fee or variable consideration based on the volume of advertising spend managed through the Company’s platform at the contractual percentage of spend. The variable portion generally includes tiered pricing, whereby the percentage of spend charged decreases as the value of advertising spend increases. The tiered pricing generally resets monthly and is consistent throughout the contract term. The Company has concluded that this volume-based pricing approach does not constitute a future material right as the pricing tiers are consistent throughout the term of the contract and similar pricing is typically offered to similar classes of customers within the same geographical areas and markets. Certain subscription contracts consist of only a flat monthly platform fee. Subscription fees are generally invoiced on a monthly basis in arrears based on the actual amount of advertising spend managed on the platform. In certain limited circumstances, the Company will invoice an advertiser in advance for the contractual minimum monthly platform fee for a defined future period, which is typically three to 12 months . The Company’s subscription services comprise a single stand-ready performance obligation satisfied over time as the advertiser simultaneously receives and consumes the benefit from the Company’s performance. This performance obligation constitutes a series of services that are substantially the same in nature and are provided over time using the same measure of progress. Revenues derived from these arrangements are recognized over time using an output method based upon the passage of time as this provides a faithful depiction of the pattern of transfer of control. Fixed minimum monthly platform fees are recognized ratably over the contract term as the single performance obligation is satisfied. Variable fees are allocated to the distinct month of the series in which they are earned because the terms of the variable payments relate specifically to the outcome from transferring the distinct time increment (month) of service and because such amounts reflect the fees to which the Company expects to be entitled for providing access to the advertising management platform for that period, consistent with the allocation objective of authoritative revenue guidance under Accounting Standards Codification 606 (“ASC 606”). Expected future revenues for subscription services related to performance obligations that are unsatisfied (or partially unsatisfied) as of March 31, 2023 were as follows: Subscription Services 2023 (remaining nine months) $ 511 2024 189 Total $ 700 The Company applies the optional exemption under ASC 606 and does not disclose the value of unsatisfied performance obligations on subscription contracts with an original term of one year or less. The amounts disclosed above as remaining performance obligations consist primarily of fixed or monthly minimum fees under contracts with an original expected duration of greater than one year . The amounts exclude estimates of variable consideration such as volume-based contracts, as well as anticipated renewals of contracts. Strategic Agreements The Company has entered into long-term strategic agreements with certain leading search publishers which are generally billed on a quarterly basis. In September 2021, the Company entered into a new revenue share agreement with Google, which has a scheduled three-year term that commenced on October 1, 2021 (the "New Google Revenue Share Agreement") and continues through September 30, 2024. This agreement is similar to the original revenue share agreement that the Company entered into with Google in 2018 in that the Company is eligible to receive fixed and variable revenue share payments based on a percentage of the search advertising spend that is managed through the Company’s platform and in that the Company is required to reinvest a specified percentage of these revenue share payments in its search technology platform to drive innovation. The Company evaluates the total amount of variable revenue share payments expected to be earned from the New Google Revenue Share Agreement using the most likely method, as it believes this method represents the most appropriate estimate for this consideration, based on historical service trends, the individual contract considerations and the Company’s best judgment. The Company includes estimates of variable consideration in revenues only to the extent that it believes it is probable that a significant reversal in the amount of cumulative revenue recognized will not occur when the uncertainty associated with the variable consideration is subsequently resolved. The Company recognized revenues from the New Google Revenue Share Agreement of $ 1,788 and $ 1,788 for the three months ended March 31, 2023 and 2022, respectively. Disaggregation of Revenues Revenues by geographic area, based on the billing location of the customer, were as follows for the periods presented: Three Months Ended March 31, 2023 2022 United States of America $ 3,655 $ 3,956 United Kingdom 546 631 Other (1) 382 574 Total revenues, net $ 4,583 $ 5,161 (1) No individual country within the “Other” category accounted for 10% or more of revenues for any period presented. Revenues by nature of services performed were as follows for the periods presented: Three Months Ended March 31, 2023 2022 Subscriptions $ 2,801 $ 3,363 Strategic agreements 1,782 1,798 Total revenues, net $ 4,583 $ 5,161 Advertisers from outside of the United States represented 20 % and 23 % of total revenues for the three months ended March 31, 2023 and 2022, respectively. The New Google Revenue Share Agreement accounted for approximately 39 % and 35 % of the Company's total revenues for the three months ended March 31, 2023 and 2022, respectively. Additionally, a customer for the Company's subscription services accounted for approximately 11 % of total revenues and an advertising agency customer accounted for approximately 12 % of total revenues for the three months ended March 31, 2023. There were no additional customers representing greater than 10% of the Company's revenues for the three months ended March 31, 2023 or 2022. Contract Balances Accounts Receivable, Net The timing of revenue recognition may differ from the timing of invoicing to customers. Accounts receivable are recorded at the invoice amount, net of any allowances for credit losses and revenue credits. A receivable is recognized in the period the Company provides the underlying services or when the right to consideration is unconditional. The balances of accounts receivable, net of the allowances for credit losses and revenue credits, as of March 31, 2023 and December 31, 2022 are presented in the accompanying condensed consolidated balance sheets and was $ 4,324 as of March 31, 2022. Included in the balance of accounts receivable, net as of March 31, 2023 and December 31, 2022, respectively, were receivables of $ 1,788 related to the New Google Revenue Share Agreement, which represented 44 % a nd 40 %, respectively, of accounts receivable, net. Customer Advances In certain situations, the Company receives cash payments from customers in advance of its performance of the underlying services. These advances from customers are included within accrued expenses and other current liabilities on the accompanying condensed consolidated balance sheets. Costs to Obtain and Fulfill Contracts The Company capitalizes certain contract acquisition costs, consisting primarily of commissions and related payroll taxes, when customer contracts are signed. The Company also capitalizes certain contract fulfillment costs, consisting primarily of the portion of the payroll and fringe benefits of the Company’s professional services team that relates directly to performing on-boarding and integration services for new and existing customers (collectively, “deferred costs to obtain and fulfill contracts”). The deferred costs to obtain and fulfill contracts are amortized over the expected period of benefit, which the Company has determined to be approximately 30 months. This expected period of benefit takes into consideration the duration of the Company’s customer contracts, historical contract renewal rates, the underlying technology and other factors. Amortization expense for deferred costs to obtain and fulfill contracts is included in sales and marketing expense and cost of sales, respectively, on the accompanying condensed consolidated statements of comprehensive loss. There were no impairment losses related to c osts capitalized in the three months ended March 31, 2023 and 2022. The Company classifies deferred costs to obtain and fulfill contracts as current or non-current based on the timing of when the related amortization expense is expected to be recognized. The current portion of these deferred costs is included in prepaid expenses and other current assets, while the non-current portion is included in other non-current assets on the accompanying condensed consoli dated balance sheets. Changes in the balances of deferred costs to obtain and fulfill contracts during the three months ended March 31, 2023 were as follows: Deferred Costs Deferred Costs Balances at December 31, 2022 $ 344 $ 131 Costs deferred 66 19 Amortization ( 66 ) ( 28 ) Balances at March 31, 2023 $ 344 $ 122

Balance Sheet Components

Balance Sheet Components	3 Months Ended
	Mar. 31, 2023
Balance Sheet Components [Abstract]
Balance Sheet Components	3. Balance Sheet Components The following table shows the components of property and equipment as of the dates presented: March 31, December 31, Estimated Useful Life 2023 2022 Software, including internally developed software 3 years $ 33,689 $ 33,073 Computer equipment 3 to 4 years 18,416 18,622 Leasehold improvements Shorter of useful life or lease term 512 512 Office equipment, furniture and fixtures 3 to 5 years 94 630 Total property and equipment 52,711 52,837 Less: Accumulated depreciation and amortization ( 49,313 ) ( 49,624 ) Property and equipment, net $ 3,398 $ 3,213 Amortization of internally developed software and depreciation for the three months ended March 31, 2023 and 2022 was $ 430 and $ 721 , respectively. The following table shows the components of accrued expenses and other current liabilities as of th e dates presented: March 31, December 31, 2023 2022 Accrued salary and payroll-related expenses $ 1,302 $ 1,460 Accrued liabilities 601 535 Income taxes payable 506 464 Advanced billings and customer credits (1) 741 1,016 Other 28 38 Total accrued expenses and other current liabilities $ 3,178 $ 3,513 (1) During the three months ended March 31, 2023 the Company wrote off customer credit balances of approximately $ 300 as a credit to bad debt expense.

Borrowing

Borrowing	3 Months Ended
	Mar. 31, 2023
Debt Disclosure [Abstract]
Borrowing	4. Borrowing In April 2020, the Company entered into an original loan agreement with Harvest Small Business Finance, LLC as the lender (“Lender”) for a loan in an aggregate principal amount of $ 3,320 (the “Loan”) pursuant to the Paycheck Protection Program (the “PPP”) under the Coronavirus Aid, Relief, and Economic Security Act (the “CARES Act”) and implemented by the U.S. Small Business Administration (the “SBA”). The Loan was originally evidenced by a Note dated effective as of April 2020, but such Note was replaced by a Note with substantially the same terms, but with an updated effective date of May 2020 to account for a delay in disbursement of funds. The Loan matured two years from the date of first disbursement of the Loan, which occurred in May 2020. The Company received the loan proceeds on May 12, 2020. The Loan accrued interest at a rate of 1 % per annum. Initially, all payments were deferred through the ten-month anniversary of the date of the Note. The Paycheck Protection Flexibility Act of 2020, P.L. 116-142, extended the deferral period for loan payment to the date that SBA remits the borrower’s loan forgiveness amount to the Lender. The PPP provides that borrowers may apply for forgiveness of amounts due under the Loan, with the amount of potential Loan forgiveness to be calculated based on payroll costs, any mortgage interest payments, any covered rent payments and any covered utilities payments during the 10-week period beginning on the date of first disbursement of the Loan. An aggregate principal amount of $ 3,117 of the Loan was forgiven in January 2022 and the Company repaid the remaining outstanding balance of approximately $ 200 in February 2022. The Company recognized a non-cash gain of $ 3,117 within Other income, net in the accompanying condensed consolidated statements of comprehensive loss for the three months ended March 31, 2022 .

Restructuring Activities

Restructuring Activities	3 Months Ended
	Mar. 31, 2023
Restructuring and Related Activities [Abstract]
Restructuring Activities	5. Restructuring Activities 2020 Restructuring Plan During the three months ended September 30, 2020, the Company commenced the implementation of a restructuring and reduction-in- force plan to reduce the Company’s operating costs and address the impact of the COVID-19 pandemic. The plan included the reduction of the Company’s global workforce by approximately 60 employees, approximately half of which were located outside of the United States. The planned workforce reductions were substantially completed during 2020. During the three months ended March 31, 2022, the Company reco rded $ 53 of re structuring-related expenses in connection with the 2020 Restructuring Plan in the accompanying condensed consolidated statements of comprehensive loss.

Shelf Registration and At-the-M

Shelf Registration and At-the-Market Offering	3 Months Ended
	Mar. 31, 2023
Shelf Registration And At The Market Offering [Abstract]
Shelf Registration and At-the-Market Offering	6. Shelf Registration and At-the-Market Offering On August 3, 2021, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective by the SEC on August 19, 2021 and provides that the Company may offer its common stock, preferred stock, debt securities, warrants, subscription rights and units having an aggregate offering price of up to $ 100,000 . As part of this 2021 registration statement, the Company entered into a third equity distribution agreement with JMP Securities and established a new $ 50,000 “at-the-market” securities offering facility, pursuant to which, the Company may be able to issue and sell shares of the Company common stock. During the year ended December 31, 2022, the Company sold 1,073 shares of its common stock under this new equity distribution agreement and received proceeds of approximately $ 1,333 , net of offering costs of $ 95 at a weighted average sales price of $ 1.33 per share. In accordance with the SEC’s Instruction I.B.6 of Registration Statement on Form S-3, the Company adjusted the maximum aggregate market value of the securities that may be sold pursuant to this current "at-the-market" securities offering facility from $ 50,000 to approximately $ 22,800 based on the market capitalization of the Company on the date it filed its Annual Report on Form 10-K for the year ended December 31, 2021.

Equity Award Plans

Equity Award Plans	3 Months Ended
	Mar. 31, 2023
Equity Award Plans [Abstract]
Equity Award Plans	7. Equity Award Plans In April 2006, the Company’s Board of Directors (the “Board”) adopted and the stockholders approved the 2006 Stock Option Plan (“2006 Plan”), which provided for the grant of incentive and non-statutory stock options. In February 2013 the Board adopted and the stockholders approved the 2013 Equity Incentive Plan (“2013 Plan”), which became effective on March 21, 2013. At that time, the Company ceased to grant equity awards under the 2006 Plan. Under the 2013 Plan, 643 shares of common stock were originally reserved for issuance. Additionally, all reserved and unissued shares under the 2006 Plan were eligible for issuance under the 2013 Plan. The 2013 Plan authorized the award of incentive and non-statutory stock options, restricted stock awards, stock appreciation rights, restricted stock units (“RSUs”), performance awards and stock bonuses to the Company’s employees, directors, consultants, independent contractors and advisors. On January 1 of each calendar year through 2023, the number of shares of common stock reserved under the 2013 Plan automatically increased by an amount equal to 5 % of the total outstanding shares as of the immediately preceding December 31, or such lesser number of shares as determined by the Board. Pursuant to terms of the 2013 Plan, the shares available for issuance increased by 861 shares of common stock on January 1, 2023. The 2013 Plan has expired in accordance with its terms and the Company has ceased granting awards under this plan. On March 24, 2023, the Board approved the Amended and Restated 2013 Equity Incentive Plan ("Amended and Restated Plan") under which incentive and non-statutory stock options, restricted stock awards, stock appreciation rights, RSUs, performance awards and stock bonuses may be awarded to the Company’s employees, directors, consultants, independent contractors and advisors. Under the Amended and Restated Plan, 425 shares of common stock have been reserved for issuance. Additionally, shares that cease to be subject to equity awards that have been granted under the 2006 Plan and the 2013 Plan are eligible for issuance under the Amended and Restated Plan. On January 1 of each calendar year through 2033, the number of shares of common stock reserved under the Amended and Restated Plan will automatically increase by an amount equal to 5 % of the total outstanding shares as of the immediately preceding December 31, or such lesser number of shares as determined by the Board. The Amended and Restated Plan is subject to approval by the Company's stockholders within 12 months of the Board approval date, and no shares can be issued under the plan until such stockholder approval has been received. The Company is seeking stockholder approval of the Amended and Restated Plan at its 2023 annual stockholder meeting to be held on May 18, 2023. Stock Options A summary of stock option activity under the 2006 Plan and the 2013 Plan i s as follows: Options Outstanding Number of Weighted Average Weighted Average Aggregate Balances at December 31, 2022 337 $ 19.59 4.45 $ — Options forfeited and cancelled ( 8 ) 84.29 — — Balances at March 31, 2023 329 18.03 4.31 — Options exercisable 314 18.70 4.22 — Options vested 314 18.70 4.22 — Options vested and expected to vest 329 18.03 4.31 — RSUs A summary of RSU activity under the 2013 Plan is as follows: RSUs Outstanding Number of Weighted Average Granted and unvested at December 31, 2022 1,814 $ 2.99 RSUs granted 1,464 1.24 RSUs vested ( 14 ) 3.34 RSUs cancelled and withheld to cover taxes ( 29 ) 3.13 Granted and unvested at March 31, 2023 3,235 $ 2.19 Employee Stock Purchase Plan In February 2013, the Board and stockholders approved the 2013 Employee Stock Purchase Plan (“2013 ESPP”), under which 143 shares of common stock were originally reserved for issuance. The 2013 ESPP became effective on March 22, 2013. The 2013 ESPP generally provides for six-month purchase periods ending in May and November and the purchase price for shares of common stock purchased under the 2013 ESPP is 85 % of the lesser of the fair market value of the common stock on (1) the first trading day of the applicable offering period and (2) the last trading day of each purchase period in the applicable offering period. On January 1 of each calendar year following the first offering date, the number of shares reserved under the 2013 ESPP automatically increased by an amount equal to 1 % of the total outstanding shares as of immediately preceding December 31, but not to exceed 100 shares. Pursuant to terms of the 2013 ESPP, the shares available for issuance increased by 100 shares on January 1, 2023. The 2013 ESPP has expired in accordance with its terms. On March 24, 2023, the Board approved the Amended and Restated 2013 Employee Stock Purchase Plan ("Amended and Restated ESPP") which provides for six-month purchase periods ending in May and November of each year with the purchase price for each share of common stock purchased being 85 % of the lesser of the fair market value of the common stock on (1) the first trading day of the applicable offering period and (2) the last trading day of each purchase period in the applicable offering period. Under the Amended and Restated ESPP, 432 shares of common stock have been reserved for issuance. The Amended and Restated Plan is subject to approval by the stockholders within 12 months of the Board approval date, and no shares can be issued under the plan until such stockholder approval has been received. The Company is seeking stockholder approval of the Amended and Restated ESPP at our 2023 annual stockholder meeting to be held on May 18, 2023.

Stock-Based Compensation

Stock-Based Compensation	3 Months Ended
	Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]
Stock-Based Compensation	8. Stock-Based Compensation Stock-based compensation expense was allocate d as follows: Three Months Ended March 31, 2023 2022 Cost of revenues $ 124 $ 124 Sales and marketing 165 175 Research and development 270 224 General and administrative 473 334 Total $ 1,032 $ 857 For stock-based awards granted by the Company, stock-based compensation cost is measured at grant date based on the fair value of the a ward and is expensed over the requisite service period. Stock-based compensation capitalized as internally developed software was $ 37 and $ 26 f or the three months ended March 31, 2023 and 2022, respectively. Stock Options There were no grants or exercises of stock options during the three months ended March 31, 2023 and 2022. Compensation expense, net of forfeitures, is recognized ratably over the requisite service period. As of March 31, 2023, unrecognized compensation expense related to stock options was immaterial. RSUs As of March 31, 2023, there wa s $ 4,293 of unrecognized compensation expense related to RSUs, which is expected to be recognized over a weighted-average period of 1.6 years. The Company uses the fair market value of the underlying common stock on the dates of grant to determine the fair value of RSUs. Employee Stock Purchase Plan The Company estimates the fair value of purchase rights under the 2013 ESPP using the Black-Scholes valuation model. The fair value of each purchase right under the 2013 ESPP is estimated on the date of grant using the Black-Scholes option valuation model and the straight-line attribution approach with assumptions substantially similar to those used for the valuation of stock option awards, with the exception of the expected life. The expected life is estimated to be six months , which is consistent with the purchase periods under the 2013 ESPP.

Leases

Leases	3 Months Ended
	Mar. 31, 2023
Leases [Abstract]
Leases	9. Leases The Company's primary operating lease is for space at a data center which was renewed in April 2022 and expires in 2025. The Company evaluates new contractual arrangements at inception to determine if the contract is or contains a lease. For any contracts that are or contain a lease, the Company determines the appropriate classification of each identified lease as operating or finance. For all identified leases, the Company records the related lease liabilities and ROU assets based on the future minimum lease payments over the lease term, which only includes options to renew the lease if it is reasonably certain that the Company will exercise that option. For leases with original terms of twelve months or less, the Company recognizes the lease expense as incurred and does not recognize lease liabilities and ROU assets. Lease liabilities are measured based on the future minimum lease payments discounted over the lease term. The Company uses the discount rate implicit in the lease whenever that rate is readily determinable. For leases where no such rate is determinable, the Company uses its incremental borrowing rate, or the rate of interest that Company would have to pay to borrow an amount equal to the lease payments on a collateralized basis over a similar term and in a similar economic environment. As of March 31, 2023 , the weighted-average rate used in discounting the lease liabilities for ROU operating leases was 6.0 %. Current and non-current operating lease liabilities are presented on the condensed consolidated balance sheet. ROU assets are measured based on the associated lease liabilities, adjusted for any lease incentives such as tenant improvement allowances. ROU assets for operating leases are presented as non-current assets on the condensed consolidated balance sheets. The Company recognizes the expense for operating leases on straight-line basis over the lease term. As of March 31, 2023, the weighted-average remaining lease term for ROU operating leases wa s 2.0 years. As of March 31, 2023 and December 31, 2022 the Company had net operating lease ROU assets of $ 3,606 and $ 3,844 , respectively. Operating lease costs, consisting primarily of rental expense, were approximately $ 503 and $ 1,296 for the three months ended March 31, 2023 and 2022, respectively. Variable rent expense was not significant for the three months ended March 31, 2023 or 2022. The maturities of operating lease liabilities as of March 31, 2023 are as follows: 2023 (remaining nine months) 1,431 2024 1,908 2025 477 Total lease payments 3,816 Less: Amount representing imputed interest ( 210 ) Present value of lease liabilities 3,606 Less: Current portion of lease liabilities ( 1,749 ) Non-current portion of lease liabilities $ 1,857 Supplemental cash flow information related to operating leases was as follows: Three Months Ended Three Months Ended March 31, 2023 March 31, 2022 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 504 $ 1,417 ROU assets obtained in exchange for lease liabilities: $ 161 $ — Subleases The Company sublet portions of its San Francisco office space under an agreement that expired in July 2022. Income from subleases is included in other income, net, on the accompanying condensed consolida ted statements of comprehensive loss. Sublease income was $ 271 for the three months ended March 31, 2022 .

Income Taxes

Income Taxes	3 Months Ended
	Mar. 31, 2023
Income Tax Disclosure [Abstract]
Income Taxes	10. Income Taxes The Company’s quarterly provision for income taxes is based on an estimated effective annual income tax rate, and it also includes the tax impact of certain unusual or infrequently occurring items, if any. These may include changes in judgment about valuation allowances and effects of changes in tax laws or rates in the interim period in which they occur. The Company's income tax provision for the three months ended March 31, 2023 was $ 48 on pre-tax losses of $ 5,735 . For the three months ended March 31, 2023, the Company's effective tax rate varies from the federal income tax rate primarily due to valuation allowances in the United States and taxable income generated by certain of the Company's foreign wholly owned subsidiaries. The Company reviews the likelihood that it will realize the benefit of its deferred tax assets and, therefore, the need for valuation allowances on a quarterly basis. There is no income tax benefit recognized with respect to losses incurred and no income tax expense recognized with respect to earnings generated in jurisdictions with a valuation allowance. This causes variability in the Company’s effective tax rate. The Company will maintain the valuation allowances until it is more likely than not that the net deferred tax assets will be realized. Tax positions taken by the Company are subject to audits by multiple tax jurisdictions. The Company believes that it has provided adequate reserves for its uncertain tax positions for all tax years still open for assessment. The Company also believes that it does not have any tax position for which it is not reasonably possible that the total amounts of uncertain tax positions will significantly increase or decrease within the next year. For the three months ended March 31, 2023 and 2022 , the Company did no t recognize a ny material interest or penalties related to uncertain tax positions.

Net Loss Per Share Available to

Net Loss Per Share Available to Common Stockholders	3 Months Ended
	Mar. 31, 2023
Earnings Per Share [Abstract]
Net Loss Per Share Available to Common Stockholders	11. Net Loss Per Share Available to Common Stockholders Basic net loss per share of common stock is calculated by dividing the net loss available to common stockholders by the weighted-average number of shares of common stock outstanding for the period. Diluted net loss per share of common stock is computed by dividing the net loss using the weighted-average number of shares of common stock, excluding common stock subject to repurchase, and, if dilutive, potential shares of common stock outstanding during the period. Basic and diluted net loss per share is the same for all periods presented, as the impact of all potentially outstanding dilutive securities was anti-dilutive. The following table presents the calculation of basic and diluted net los s per share: Three Months Ended March 31, 2023 2022 Numerator: Net loss available to common stockholders $ ( 5,783 ) $ ( 1,999 ) Denominator: Weighted average number of shares, basic and diluted 17,235 15,537 Net loss per share available to common stockholders Basic and diluted net loss per common share available to common stockholders $ ( 0.34 ) $ ( 0.13 ) The following table presents the potential shares of common stock outstanding that were excluded from the computation of diluted net loss per share available to common stockholders for the periods presented because including them would hav e been anti-dilutive: Three Months Ended March 31, 2023 2022 Options to purchase common stock 329 381 Unvested RSUs 3,235 1,547 Total 3,564 1,928

Segment Reporting

Segment Reporting	3 Months Ended
	Mar. 31, 2023
Segment Reporting [Abstract]
Segment Reporting	12. Segment Reporting The Company defines the term “chief operating decision maker” to be the Chief Executive Officer. The Chief Executive Officer reviews the financial information presented on a consolidated basis for purposes of allocating resources and evaluating financial performance. Accordingly, the Company has determined that it operates as a single reporting and operating segment.

Commitments and Contingencies

Commitments and Contingencies	3 Months Ended
	Mar. 31, 2023
Commitments and Contingencies Disclosure [Abstract]
Commitments and Contingencies	13. Commitments and Contingencies Legal Matters From time to time, the Company may be involved in lawsuits, claims, investigations and proceedings, consisting of intellectual property, commercial, employment and other matters, which arise in the ordinary course of business. In accordance with GAAP, the Company records a liability when it is both probable that a liability has been incurred and the amount of the loss can be reasonably estimated. These provisions are reviewed at least quarterly and adjusted to reflect the impact of negotiations, settlements, ruling, advice of legal counsel and other information and events pertaining to a particular case. Litigation is inherently unpredictable. If any unfavorable ruling was to occur in any specific period or if a loss becomes probable and estimable, there exists the possibility of a material adverse impact on the Company’s results of operations, financial position or cash flows. As of March 31, 2023, no material amounts were recorded related to legal proceedings on the unaudited condensed consolidated balance sheet. Indemnification The Company enters into standard indemnification agreements in the ordinary course of business. Pursuant to the agreements, each party may indemnify, defend and hold the other party harmless with respect to such claim, suit or proceeding brought against it by a third party alleging that the indemnifying party’s intellectual property infringes upon the intellectual property of the third party, or results from a breach of the indemnifying party’s representations and warranties or covenants, or that results from any acts of negligence or willful misconduct. The term of these indemnification agreements is generally perpetual any time after execution of the agreement. The maximum potential amount of future payments the Company could be required to make under these indemnification agreements is unlimited. Historically, the Company has not been obligated to make significant payments for these obligations and no liabilities have been recorded on the unaudited condensed consolidated balance sheet as of March 31, 2023 and the audited consolidated balance sheet as of December 31, 2022. The Company also indemnifies its officers and directors for certain events or occurrences, subject to certain limits, while the officer or director is or was serving at the Company’s request in such capacity. The maximum amount of potential future indemnification is unlimited; however, the Company has a directors and officers insurance policy that enables the Company to recover a portion of any future amounts paid. Historically, the Company has not been obligated to make any payments for these obligations and no liabilities have been recorded as of March 31, 2023 or December 31, 2022. Other Contingencies The Company is subject to claims and assessments from time to time in the ordinary course of business. The Company’s management does not believe that any such matters, individually or in the aggregate, will have a material adverse effect on the Company’s financial position, results of operations or cash flows.

Subsequent Events

Subsequent Events	3 Months Ended
	Mar. 31, 2023
Subsequent Events [Abstract]
Subsequent Events	14. Subsequent Event The Company's common stock is listed on The Nasdaq Global Market, or Nasdaq. One of Nasdaq’s listing requirements is that the Company's shares maintain a minimum bid price of at least $ 1.00 . The Company received a deficiency notice from Nasdaq on April 26, 2023, advising that the closing bid price of its stock for the previous 30 consecutive business days was below the $ 1.00 minimum bid price requirement and, therefore, no longer satisfied this Nasdaq requirement. In accordance with Nasdaq rules, the Company has until October 23, 2023 (180 calendar days from the date of the Nasdaq deficiency notice) to regain compliance with the minimum bid price requirement. If at any time during the 180-day period, the bid price of the Company's common stock closes at or above $1.00 per share for a minimum of 10 consecutive business days, the Company expects that Nasdaq would provide a written confirmation of compliance and the matter will be closed. Alternatively, if the Company fails to regain compliance with the minimum bid price requirement prior to the expiration of the initial period, it may be eligible for an additional 180 calendar day compliance period, provided that it transfers its listing of its common stock to the Nasdaq Capital Market and meets certain other conditions. In the event that the Company does not regain compliance with the minimum bid price requirement prior to the expiration of the initial period, and if it appears to Nasdaq that it will not be able to cure the deficiency, or if the Company is not otherwise eligible to transfer its common stock to the Nasdaq Capital Market, the Company expects Nasdaq will provide it with written notification that its securities are subject to delisting from The Nasdaq Global Market. At that time, the Company may appeal the delisting determination to a hearings panel.

Summary of Business and Signi_2

Summary of Business and Significant Accounting Policies (Policies)	3 Months Ended
	Mar. 31, 2023
Accounting Policies [Abstract]
Basis of Presentation and Consolidation	Basis of Presentation and Consolidation The accompanying unaudited condensed consolidated financial statements and condensed footnotes have been prepared in accordance with the instructions to Form 10-Q and Article 10 of Regulation S-X. Accordingly, they do not include all of the information and footnotes required by U.S. generally accepted accounting principles (“GAAP”) for complete financial statements. In the opinion of management, all adjustments, consisting of only normal recurring items, considered necessary for fair statement have been included. The results of operations for the three months ended March 31, 2023 are not necessarily indicative of the results to be expected for the year ending December 31, 2023, or for other interim periods or future years. The accompanying unaudited condensed consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries. All intercompany accounts and transactions have been eliminated in consolidation. The condensed consolidated balance sheet as of December 31, 2022 is derived from audited financial statements as of that date but does not include all of the information and footnotes required by GAAP for complete financial statements. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and related notes included in the Company’s Annual Report on Form 10-K for the fiscal year ended December 31, 2022, filed with the Securities and Exchange Commission ("SEC") on February 23, 2023. Liquidity The Company has incurred significant losses in each fiscal year since its incorporation in 2006. The Company incurred a net loss of $ 5,783 fo r the three months ended March 31, 2023 and a net loss of $ 18,227 for the year ended December 31, 2022. As of March 31, 2023, the Company had an accumulated deficit of $ 328,117 . The Company had cash and cash equivalents of $ 23,716 as of March 31, 2023. Management expects to incur additional losses and experience negative operating cash flows in the future. The financial statements have been prepared assuming that the Company will continue as a going concern. These financial statements do not include any adjustments relating to the recoverability and classification of recorded asset amounts or amounts and classifications of liabilities that might be necessary should the Company be unable to continue as a going concern. Based on the funds it has available as of the date of the filing of this report and the effective implementation of cost saving measures that the Company believes is probable it will achieve, the Company believes that it has sufficient capital to fund its current business plans and obligations over, at least, 12 months from the date that these financial statements have been issued. The Company’s ability to achieve its business objectives and to continue to meet its obligations is dependent upon maintaining a certain level of liquidity, which could be impacted by several factors, including the extent of customer acceptance, adoption and use of its MarinOne platform and general macroeconomic conditions such as inflation or the extent and duration of any recession. Although the Company has pursued, and may continue to pursue, additional sources of liquidity, including additional equity and debt financing, there is no assurance that any additional financing will be available on acceptable terms, or at all. The Company’s ability to continue as a going concern is substantially dependent upon its ability to reduce its expenses, enter into strategic partnerships, improve customer retention rates and increase new bookings. If the Company is unable to raise sufficient additional capital or unable to consummate other strategic agreements, it is probable that the Company may be required to initiate further cost savings activities. In August 2021, the Company filed a shelf registration statement on Form S-3 with the SEC, which was declared effective by the SEC on August 19, 2021 and provides that the Company may offer its common stock, preferred stock, debt securities, warrants, subscription rights and units having an aggregate offering price of up to $ 100,000 . As part of this 2021 registration statement, the Company entered into a third equity distribution agreement with JMP Securities and established a new $ 50,000 “at-the-market” securities offering facility pursuant to which it may be able to issue and sell shares of its common stock. During the year ended December 31, 2022, the Company sold 1,073 shares of its common stock under this new equity distribution agreement and received proceeds of approximately $ 1,333 , net of offering costs of $ 95 , at a weighted average sales price of $ 1.33 per share. In accordance with the SEC’s Instruction I.B.6 of Registration Statement on Form S-3, the Company adjusted the maximum aggregate market value of the securities that may be sold pursuant to this current "at-the-market" securities offering facility from $ 50,000 to approximately $ 22,800 based on the market capitalization of the Company on the date it filed its Annual Report on Form 10-K for the year ended December 31, 2021. The Company cannot provide any assurance that it will be able to raise any additional financing under this facility. The Company’s ability to raise any additional financing under this facility may be adversely affected if the Company’s common stock is delisted from Nasdaq. The Company is not aware of any specific event or circumstance that would require it to update its estimates, judgments or revise the carrying value of its assets or liabilities. These estimates may change, as new events occur and additional information is obtained, and are recognized in the consolidated financial statements as soon as they become known. Actual results could differ from those estimates and any such differences may be material to the Company’s financial statements.
Fair Value of Financial Instruments	Fair Value of Financial Instruments The Company’s financial instruments, including accounts receivable, accounts payable and accrued expenses are carried at cost, which approximates fair value because of the short-term nature of those instruments. Cash equivalents are comprised of money market funds recorded at fair value and are classified as Level 1 within the fair value hierarchy.
Allowances for Credit Losses and Revenue Credits	Allowances for Credit Losses and Revenue Credits The Company performs a regular review of its customers’ payment histories and associated credit risks and it generally does not require collateral from its customers. Certain contracts with advertising agencies contain sequential liability provisions, whereby the agency does not have an obligation to pay the Company until payment is received from the agency’s customers. In these circumstances, the Company evaluates the credit worthiness of the agency’s customers, in addition to the agency itself. The Company maintains an allowance for credit losses which reflects its best estimate of potentially uncollectible trade receivables and is based on both specific and general reserves. General reserves are maintained on a collective basis by considering factors such as historical experience, the age of the receivable balances, current economic conditions and a reasonable and supportable forecast of future economic conditions. The activity in the Company’s allowance for credit losses for the three months ended March 31, 2023 is summarized as follows (in thousands): Total Balance at December 31, 2022 $ 736 Current period provision for expected losses 1 Write-offs charged against allowance ( 157 ) Balance at March 31, 2023 $ 580 From time to time, the Company provides credits to customers that typically relate to customer disputes or billing adjustments and are recorded as a reduction of revenue. Reserves for these revenue credits are accounted for as variable consideration under authoritative revenue recognition guidance (see Note 2) and are estimated based on historical credit activity. As of March 31, 2023, and December 31, 2022, the Company recorded an allowance for potential customer credits in the amount of $ 87 and $ 110 , respectively.
Long-Lived Assets Impairment Assessment	Long-Lived Assets Impairment Assessment The Company evaluates long-lived assets, excluding goodwill, for potential impairment whenever adverse events or changes in circumstances or business climate indicate that the expected undiscounted future cash flows related to such long-lived assets may not be sufficient to support the net book value of such assets. An impairment loss is recognized only if the carrying value of a long-lived asset or asset group is not recoverable and exceeds its fair value. The carrying value of a long-lived asset or asset group is not recoverable if it exceeds the sum of the undiscounted cash flows expected to result from the use and eventual disposition of the asset. There were no such impairment losses recorded in any of the periods presented.
Revenue Recognition	Revenue Recognition The Company generates revenues principally from subscriptions either directly with advertisers or with advertising agencies to its platform for the management of search, social and eCommerce. The Company also generates revenues from strategic agreements with certain leading publishers. Under the subscription agreements, the Company receives consideration based on the advertising spend that customers manage on its platform. Revenues are recognized when control of these services is transferred to the Company’s customers, in an amount that reflects the consideration the Company expects to be entitled to in exchange for those services. See Note 2 for further discussion of the Company’s revenues.
Recent Accounting Pronouncement Adopted in 2023	Accounting Pronouncement Adopted in 2023 On January 1, 2023, the Company adopted Accounting Standards Update ("ASU") 2016-13, Financial Instruments – Credit Losses – Measurement of Credit Losses on Financial Instruments (Topic 326) , using the modified retrospective transition method. Upon adoption, we changed our impairment model to utilize a forward-looking current expected credit losses model in place of the incurred loss methodology for financial instruments measured at amortized cost, primarily the Company’s accounts receivable. The cumulative effect from adoption was immaterial to the Company’s condensed consolidated financial statements.
Recent Accounting Pronouncement Not Yet Effective	Recent Accounting Pronouncement Not Yet Effective None.

Summary of Business and Signi_3

Summary of Business and Significant Accounting Policies (Tables)	3 Months Ended
	Mar. 31, 2023
Accounting Policies [Abstract]
Schedule of Changes in Allowance for Doubtful Accounts	The activity in the Company’s allowance for credit losses for the three months ended March 31, 2023 is summarized as follows (in thousands): Total Balance at December 31, 2022 $ 736 Current period provision for expected losses 1 Write-offs charged against allowance ( 157 ) Balance at March 31, 2023 $ 580

Revenues (Tables)

Revenues (Tables)	3 Months Ended
	Mar. 31, 2023
Revenue from Contract with Customer [Abstract]
Expected Future Revenue for Subscription Services Related to Performance Obligations Unsatisfied or Partially Unsatisfied	Expected future revenues for subscription services related to performance obligations that are unsatisfied (or partially unsatisfied) as of March 31, 2023 were as follows: Subscription Services 2023 (remaining nine months) $ 511 2024 189 Total $ 700
Disaggregation of Revenues	Revenues by geographic area, based on the billing location of the customer, were as follows for the periods presented: Three Months Ended March 31, 2023 2022 United States of America $ 3,655 $ 3,956 United Kingdom 546 631 Other (1) 382 574 Total revenues, net $ 4,583 $ 5,161 (1) No individual country within the “Other” category accounted for 10% or more of revenues for any period presented. Revenues by nature of services performed were as follows for the periods presented: Three Months Ended March 31, 2023 2022 Subscriptions $ 2,801 $ 3,363 Strategic agreements 1,782 1,798 Total revenues, net $ 4,583 $ 5,161 Advertisers from outside of the United States represented 20 % and 23 % of total revenues for the three months ended March 31, 2023 and 2022, respectively. The New Google Revenue Share Agreement accounted for approximately 39 % and 35 % of the Company's total revenues for the three months ended March 31, 2023 and 2022, respectively. Additionally, a customer for the Company's subscription services accounted for approximately 11 % of total revenues and an advertising agency customer accounted for approximately 12 % of total revenues for the three months ended March 31, 2023. There were no additional customers representing greater than 10% of the Company's revenues for the three months ended March 31, 2023 or 2022.
Changes in Balances of Deferred Costs to Obtain and Fulfill Contracts	The Company classifies deferred costs to obtain and fulfill contracts as current or non-current based on the timing of when the related amortization expense is expected to be recognized. The current portion of these deferred costs is included in prepaid expenses and other current assets, while the non-current portion is included in other non-current assets on the accompanying condensed consoli dated balance sheets. Changes in the balances of deferred costs to obtain and fulfill contracts during the three months ended March 31, 2023 were as follows: Deferred Costs Deferred Costs Balances at December 31, 2022 $ 344 $ 131 Costs deferred 66 19 Amortization ( 66 ) ( 28 ) Balances at March 31, 2023 $ 344 $ 122

Balance Sheet Components (Table

Balance Sheet Components (Tables)	3 Months Ended
	Mar. 31, 2023
Balance Sheet Components [Abstract]
Components of Property and Equipment	The following table shows the components of property and equipment as of the dates presented: March 31, December 31, Estimated Useful Life 2023 2022 Software, including internally developed software 3 years $ 33,689 $ 33,073 Computer equipment 3 to 4 years 18,416 18,622 Leasehold improvements Shorter of useful life or lease term 512 512 Office equipment, furniture and fixtures 3 to 5 years 94 630 Total property and equipment 52,711 52,837 Less: Accumulated depreciation and amortization ( 49,313 ) ( 49,624 ) Property and equipment, net $ 3,398 $ 3,213
Components of Accrued Expenses and Other Current Liabilities	The following table shows the components of accrued expenses and other current liabilities as of th e dates presented: March 31, December 31, 2023 2022 Accrued salary and payroll-related expenses $ 1,302 $ 1,460 Accrued liabilities 601 535 Income taxes payable 506 464 Advanced billings and customer credits (1) 741 1,016 Other 28 38 Total accrued expenses and other current liabilities $ 3,178 $ 3,513 (1) During the three months ended March 31, 2023 the Company wrote off customer credit balances of approximately $ 300 as a credit to bad debt expense.

Equity Award Plans (Tables)

Equity Award Plans (Tables)	3 Months Ended
	Mar. 31, 2023
Equity Award Plans [Abstract]
Summary of Stock Option Activity	A summary of stock option activity under the 2006 Plan and the 2013 Plan i s as follows: Options Outstanding Number of Weighted Average Weighted Average Aggregate Balances at December 31, 2022 337 $ 19.59 4.45 $ — Options forfeited and cancelled ( 8 ) 84.29 — — Balances at March 31, 2023 329 18.03 4.31 — Options exercisable 314 18.70 4.22 — Options vested 314 18.70 4.22 — Options vested and expected to vest 329 18.03 4.31 —
Summary of RSU Activity	A summary of RSU activity under the 2013 Plan is as follows: RSUs Outstanding Number of Weighted Average Granted and unvested at December 31, 2022 1,814 $ 2.99 RSUs granted 1,464 1.24 RSUs vested ( 14 ) 3.34 RSUs cancelled and withheld to cover taxes ( 29 ) 3.13 Granted and unvested at March 31, 2023 3,235 $ 2.19

Stock-Based Compensation (Table

Stock-Based Compensation (Tables)	3 Months Ended
	Mar. 31, 2023
Share-Based Payment Arrangement [Abstract]
Summary of Stock-based Compensation Expense	Stock-based compensation expense was allocate d as follows: Three Months Ended March 31, 2023 2022 Cost of revenues $ 124 $ 124 Sales and marketing 165 175 Research and development 270 224 General and administrative 473 334 Total $ 1,032 $ 857

Leases (Tables)

Leases (Tables)	3 Months Ended
	Mar. 31, 2023
Leases [Abstract]
Maturities of Lease Liabilities	The maturities of operating lease liabilities as of March 31, 2023 are as follows: 2023 (remaining nine months) 1,431 2024 1,908 2025 477 Total lease payments 3,816 Less: Amount representing imputed interest ( 210 ) Present value of lease liabilities 3,606 Less: Current portion of lease liabilities ( 1,749 ) Non-current portion of lease liabilities $ 1,857
Supplemental Cash Flow Information Related to Leases	Supplemental cash flow information related to operating leases was as follows: Three Months Ended Three Months Ended March 31, 2023 March 31, 2022 Cash paid for amounts included in the measurement of lease liabilities: Operating cash flows from operating leases $ 504 $ 1,417 ROU assets obtained in exchange for lease liabilities: $ 161 $ —

Net Loss Per Share Available _2

Net Loss Per Share Available to Common Stockholders (Tables)	3 Months Ended
	Mar. 31, 2023
Earnings Per Share [Abstract]
Schedule of Calculation of Basic and Diluted Net Loss Per Share	The following table presents the calculation of basic and diluted net los s per share: Three Months Ended March 31, 2023 2022 Numerator: Net loss available to common stockholders $ ( 5,783 ) $ ( 1,999 ) Denominator: Weighted average number of shares, basic and diluted 17,235 15,537 Net loss per share available to common stockholders Basic and diluted net loss per common share available to common stockholders $ ( 0.34 ) $ ( 0.13 )
Schedule of Potential Shares Common Stock Outstanding Excluded from Computation of Diluted Net Loss Per Share	The following table presents the potential shares of common stock outstanding that were excluded from the computation of diluted net loss per share available to common stockholders for the periods presented because including them would hav e been anti-dilutive: Three Months Ended March 31, 2023 2022 Options to purchase common stock 329 381 Unvested RSUs 3,235 1,547 Total 3,564 1,928

Summary of Business and Signi_4

Summary of Business and Significant Accounting Policies - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		12 Months Ended
	Aug. 31, 2021	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022		Aug. 03, 2021
Summary Of Significant Accounting Policies [Line Items]
Net loss		$ (5,783)	$ (1,999)	$ (18,227)
Accumulated deficit		(328,117)		(322,334)	[1]
Cash, cash equivalents and restricted cash		23,716
Aggregate offering price	$ 22,800					$ 22,800
Allowance for doubtful accounts		580		736
Allowance for potential customer revenue credits		87		110
Impairment of long-lived assets held-for-use		$ 0		$ 0
Accounting Standards Update 2019-12 [Member]
Summary Of Significant Accounting Policies [Line Items]
Accounting standards update, adopted [true false]		true
Maximum [Member]
Summary Of Significant Accounting Policies [Line Items]
Aggregate offering price	50,000					100,000
Offering costs	100,000
At-the-market Offering [Member]
Summary Of Significant Accounting Policies [Line Items]
Aggregate offering price	$ 50,000					50,000
2021 Equity Distribution Agreement [Member] | JMP Securities [Member]
Summary Of Significant Accounting Policies [Line Items]
Issuance of common stock through equity distribution agreement, net of offering costs (in shares)		1,073,000		1,073,000
Issuance of common stock through equity distribution agreement, net of offering costs				$ 1,333
Offering costs		$ 95		$ 95
Weighted average sales price (in dollars per share)				$ 1.33
2021 Equity Distribution Agreement [Member] | At-the-market Offering [Member] | JMP Securities [Member]
Summary Of Significant Accounting Policies [Line Items]
Aggregate offering price						$ 50,000
[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

Summary of Business and Signi_5

Summary of Business and Significant Accounting Policies - Changes in Allowance for Doubtful Accounts (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Accounting Policies [Abstract]
Balance at December 31, 2022	$ 736
Current period provision for expected losses	1
Write-offs charged against allowance	(157)
Balance at end of year March 31, 2023	$ 580

Revenues - Additional Informati

Revenues - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Mar. 31, 2023 USD ($) Customer	Mar. 31, 2022 USD ($) Customer	Sep. 30, 2021	Dec. 31, 2022 USD ($)
Disaggregation Of Revenue [Line Items]
Subscription contracts term	1 year
Number of New customer with Greater than 10% of Revenue | Customer	0	0
Revenues	$ 4,583	$ 5,161
Accounts receivable, net	$ 4,054	4,324		$ 4,521	[1]
Deferred costs expected period of benefit	30 months
Unsatisfied performance obligation on subscription contract term	1 year
Impairment losses related to costs capitalized	$ 0	$ 0
Sales net revenue Member | Outside United States [Member] | Customer Concentration Risk [Member]
Disaggregation Of Revenue [Line Items]
Percentage of concentration risk	20%	23%
Google [Member]
Disaggregation Of Revenue [Line Items]
Strategic agreement term, optional renewal term			1 year
Revenues	$ 1,788	$ 1,788
Accounts receivable	$ 1,788			$ 1,788
Google [Member] | Accounts Receivable [Member] | Customer Concentration Risk [Member]
Disaggregation Of Revenue [Line Items]
Percentage of concentration risk	44%			40%
Google [Member] | Sales net revenue Member | Customer Concentration Risk [Member]
Disaggregation Of Revenue [Line Items]
Percentage of concentration risk	39%	35%
Subscription services Customer [ Member] | Sales net revenue Member | Customer Concentration Risk [Member]
Disaggregation Of Revenue [Line Items]
Percentage of concentration risk	11%
Advertising agency customer [ Member] | Sales net revenue Member | Customer Concentration Risk [Member]
Disaggregation Of Revenue [Line Items]
Percentage of concentration risk	12%
Maximum [Member]
Disaggregation Of Revenue [Line Items]
Subscription contracts term	2 years
Advance advertiser invoicing period	12 months
Minimum [Member]
Disaggregation Of Revenue [Line Items]
Advance advertiser invoicing period	3 months
Subscription remaining performance obligations expected duration	1 year
[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

Revenues - Expected Future Reve

Revenues - Expected Future Revenue for Subscription Services Related to Performance Obligations Unsatisfied or Partially Unsatisfied (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Disaggregation Of Revenue [Line Items]
Subscription Services Revenues	$ 700
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-04-01
Disaggregation Of Revenue [Line Items]
Subscription Services Revenues	$ 511
Remaining performance obligation, satisfaction period	9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-01-01
Disaggregation Of Revenue [Line Items]
Subscription Services Revenues	$ 189
Remaining performance obligation, satisfaction period	1 year

Revenues - Expected Future Re_2

Revenues - Expected Future Revenue for Subscription Services Related to Performance Obligations Unsatisfied or Partially Unsatisfied (Details1) $ in Thousands	Mar. 31, 2023 USD ($)
Disaggregation of Revenue [Line Items]
Subscription Services Revenues	$ 700

Revenues - Additional Informa_2

Revenues - Additional Information (Details1) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Disaggregation Of Revenue [Line Items]
Revenues	$ 4,583	$ 5,161
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2023-04-01
Disaggregation Of Revenue [Line Items]
Remaining performance obligation, satisfaction period	9 months
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2024-01-01
Disaggregation Of Revenue [Line Items]
Remaining performance obligation, satisfaction period	1 year
Google [Member]
Disaggregation Of Revenue [Line Items]
Revenues	$ 1,788	$ 1,788

Revenues - Disaggregation of Re

Revenues - Disaggregation of Revenues (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2023	Mar. 31, 2022
Disaggregation Of Revenue [Line Items]
Revenues		$ 4,583	$ 5,161
Subscriptions [Member]
Disaggregation Of Revenue [Line Items]
Revenues		2,801	3,363
Strategic Agreements [Member]
Disaggregation Of Revenue [Line Items]
Revenues		1,782	1,798
United States of America [Member]
Disaggregation Of Revenue [Line Items]
Revenues		3,655	3,956
United Kingdom [Member]
Disaggregation Of Revenue [Line Items]
Revenues		546	631
Other [Member]
Disaggregation Of Revenue [Line Items]
Revenues	[1]	$ 382	$ 574
[1] No individual country within the “Other” category accounted for 10% or more of revenues for any period presented.

Revenues - Changes in Balances

Revenues - Changes in Balances of Deferred Costs to Obtain and Fulfill Contracts (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Deferred Costs to Obtain Contracts [Member]
Capitalized Contract Cost [Line Items]
Balance at beginning of period	$ 344
Costs deferred	66
Amortization	(66)
Balance at end of period	344
Deferred Costs to Fulfill Contracts [Member]
Capitalized Contract Cost [Line Items]
Balance at beginning of period	131
Costs deferred	19
Amortization	(28)
Balance at end of period	$ 122

Balance Sheet Components - Comp

Balance Sheet Components - Components of Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 52,711	$ 52,837
Less: Accumulated depreciation and amortization	(49,313)	(49,624)
Property and equipment, net	3,398	3,213	[1]
Software, Including Internally Developed Software [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 33,689	33,073
Estimated useful life	3 years
Computer Equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 18,416	18,622
Computer Equipment [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Estimated useful life	3 years
Computer Equipment [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful life	4 years
Leasehold Improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 512	512
Office Equipment, Furniture and Fixtures [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 94	$ 630
Office Equipment, Furniture and Fixtures [Member] | Minimum [Member]
Property Plant And Equipment [Line Items]
Estimated useful life	3 years
Office Equipment, Furniture and Fixtures [Member] | Maximum [Member]
Property Plant And Equipment [Line Items]
Estimated useful life	5 years
[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

Balance Sheet Components - Addi

Balance Sheet Components - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Balance Sheet Components [Abstract]
Depreciation and amortization	$ 430	$ 721
Finance lease right of use of assets	$ 300

Balance Sheet Components - Co_2

Balance Sheet Components - Components of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands		Mar. 31, 2023	Dec. 31, 2022
Balance Sheet Components [Abstract]
Accrued salary and payroll-related expenses		$ 1,302	$ 1,460
Accrued liabilities		601	535
Income taxes payable		506	464
Advanced billings and customer credits	[1]	741	1,016
Other		28	38
Total accrued expenses and other current liabilities		$ 3,178	$ 3,513	[2]
[1] (1) During the three months ended March 31, 2023 the Company wrote off customer credit balances of approximately $ 300 as a credit to bad debt expense. Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

Balance Sheet Components - Co_3

Balance Sheet Components - Components of Accrued Expenses and Other Current Liabilities (Parenthetical) (Details) $ in Thousands	Mar. 31, 2023 USD ($)
Balance Sheet Components [Abstract]
Finance lease right of use of assets	$ 300

Borrowing - Additional Informat

Borrowing - Additional Information (Details) - USD ($) $ in Thousands		1 Months Ended	3 Months Ended
	May 31, 2020	Feb. 28, 2022	Mar. 31, 2023	Mar. 31, 2022
Debt Instrument [Line Items]
Repayments of Debt		$ 200
Loan, payment description			the Company repaid the remaining outstanding balance of approximately $200 in February 2022.
Non-cash gain				$ 3,117
Paycheck Protection Program [Member] | Harvest Small Business Finance, LLC [Member]
Debt Instrument [Line Items]
Aggregate principal amount of the loan	$ 3,320
Loan, maturity period	2 years
Loan, interest rate	1%
Loan Forgiveness			$ 3,117

Restructuring Activities - Addi

Restructuring Activities - Additional Information (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)	Sep. 30, 2020 Employee
Restructuring Cost And Reserve [Line Items]
Restructuring related expenses | $	$ 53
Restructuring and Reduction in Force Plan [Member] | 2020 Restructuring Plan [Member]
Restructuring Cost And Reserve [Line Items]
Expected reduction of workforce | Employee		60

Shelf Registration and At-the_2

Shelf Registration and At-the-Market Offering - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended	12 Months Ended
	Aug. 31, 2021	Mar. 31, 2023	Dec. 31, 2022	Aug. 03, 2021
Registration Payment Arrangement [Line Items]
Aggregate offering price	$ 22,800			$ 22,800
At-the-market Offering [Member]
Registration Payment Arrangement [Line Items]
Aggregate offering price	50,000			50,000
Maximum [Member]
Registration Payment Arrangement [Line Items]
Aggregate offering price	50,000			100,000
Offering costs	$ 100,000
JMP Securities [Member] | 2021 Equity Distribution Agreement [Member]
Registration Payment Arrangement [Line Items]
Issuance of common stock (in shares)		1,073,000	1,073,000
Proceeds from sales			$ 1,333
Offering costs		$ 95	$ 95
Weighted average sales price (in dollars per share)			$ 1.33
JMP Securities [Member] | 2021 Equity Distribution Agreement [Member] | At-the-market Offering [Member]
Registration Payment Arrangement [Line Items]
Aggregate offering price				$ 50,000

Equity Award Plans - Additional

Equity Award Plans - Additional Information (Details) - shares			3 Months Ended
	Jan. 01, 2023	Feb. 28, 2013	Mar. 31, 2023
2013 Equity Incentive Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares reserved for issuance (in shares)		643,000
Percentage of increase in outstanding common shares			5%
2013 Equity Incentive Plan [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in shares available for issuance (in shares)	861,000
2013 Equity Incentive Plan [Member] | March 24, 2023 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares reserved for issuance (in shares)			425,000
Description of Amended and Restated 2013 Equity Incentive Plan			Additionally, shares that cease to be subject to equity awards that have been granted under the 2006 Plan and the 2013 Plan are eligible for issuance under the Amended and Restated Plan. On January 1 of each calendar year through 2033, the number of shares of common stock reserved under the Amended and Restated Plan will automatically increase by an amount equal to 5% of the total outstanding shares as of the immediately preceding December 31, or such lesser number of shares as determined by the Board.
Percentage of increase in outstanding common shares			5%
2013 Employee Stock Purchase Plan [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares reserved for issuance (in shares)		143,000
Increase in shares available for issuance (in shares)	100,000
Percentage of lesser of fair market value of common stock		85%
Percentage of increase in outstanding shares		1%
2013 Employee Stock Purchase Plan [Member] | Maximum [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Increase in shares available for issuance, authorized (in shares)		100,000
2013 Employee Stock Purchase Plan [Member] | March 24, 2023 [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Common stock shares reserved for issuance (in shares)			432,000
Description of Amended and Restated 2013 Employee Stock Purchase Plan			On March 24, 2023, the Board approved the Amended and Restated 2013 Employee Stock Purchase Plan ("Amended and Restated ESPP") which provides for six-month purchase periods ending in May and November of each year with the purchase price for each share of common stock purchased being 85% of the lesser of the fair market value of the common stock on (1) the first trading day of the applicable offering period and (2) the last trading day of each purchase period in the applicable offering period. Under the Amended and Restated ESPP, 432 shares of common stock have been reserved for issuance.
Percentage of lesser of fair market value of common stock			85%

Equity Award Plans - Summary of

Equity Award Plans - Summary of Stock Options Activity (Details) - 2006 and 2013 Plan [Member] - Stock Options [Member] - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Number of Shares
Balance at beginning of period	337,000
Options forfeited and cancelled	(8,000)
Balance at end of period	329,000	337,000
Options exercisable	314,000
Options vested	314,000
Options vested and expected to vest	329,000
Weighted Average Exercise Price Per Share
Balance at beginning of period	$ 19.59
Options forfeited and cancelled	84.29
Balance at end of period	18.03	$ 19.59
Options exercisable	18.70
Options vested	18.70
Options vested and expected to vest	$ 18.03
Weighted Average Remaining Contractual Term (in Years)
Options outstanding	4 years 3 months 21 days	4 years 5 months 12 days
Options exercisable	4 years 2 months 19 days
Options vested	4 years 2 months 19 days
Options vested and expected to vest	4 years 3 months 21 days
Aggregate Intrinsic Value
Options outstanding	$ 0	$ 0
Options exercisable	0
Options vested	0
Options vested and expected to vest	$ 0

Equity Award Plans - Summary _2

Equity Award Plans - Summary of RSU Activity (Details) - 2013 Plan [Member] - RSUs [Member]	3 Months Ended
	Mar. 31, 2023 $ / shares shares
Number of Shares
Granted and unvested at beginning of period | shares	1,814,000
RSUs granted | shares	1,464,000
RSUs vested | shares	(14,000)
RSUs cancelled and withheld to cover taxes | shares	(29,000)
Granted and unvested at end of period | shares	3,235,000
Weighted Average Grant Date Fair Value Per Unit
Granted and unvested at beginning of period | $ / shares	$ 2.99
RSUs granted | $ / shares	1.24
RSUs vested | $ / shares	3.34
RSUs cancelled and withheld to cover taxes | $ / shares	3.13
Granted and unvested at end of period | $ / shares	$ 2.19

Stock-Based Compensation - Summ

Stock-Based Compensation - Summary of Stock-based Compensation Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 1,032	$ 857
Cost of Revenues [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	124	124
Sales and Marketing [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	165	175
Research and Development [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	270	224
General and Administrative [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock-based compensation expense	$ 473	$ 334

Stock-Based Compensation - Addi

Stock-Based Compensation - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Expected life	6 months
Stock Options [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Stock options granted	0
Options exercised (in shares)		0
RSUs [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based compensation, weighted average recognized period	1 year 7 months 6 days
Unrecognized compensation cost related to RSUs	$ 4,293
Software, Including Internally Developed Software [Member]
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Share-based payment arrangement, amount capitalized	$ 37	$ 26

Leases - Additional Information

Leases - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	[1]
Leases [Abstract]
Weighted average discount rate, operating lease	6%
Weighted average remaining lease term, operating lease	2 years
Right-of-use assets, operating leases	$ 3,606		$ 3,844
Operating lease rental expense	$ 503	$ 1,296
Sublease income		$ 271
[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

Leases - Maturities of Lease Li

Leases - Maturities of Lease Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	[1]
Maturities of Operating Lease Liabilities [Abstract]
2023 (remaining nine months)	$ 1,431
2024	1,908
2025	477
Total lease payments	3,816
Less: Amount representing imputed interest	(210)
Present value of lease liabilities	3,606
Less: Current portion of lease liabilities	(1,749)	$ (1,645)
Non-current portion of lease liabilities	$ 1,857	$ 2,199
[1] Derived from the Company’s audited consolidated financial statements as of December 31, 2022.

Leases - Supplemental Cash Flow

Leases - Supplemental Cash Flow Information Related to Leases (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	$ 504	$ 1,417
ROU assets obtained in exchange for lease liabilities:
Operating lease liabilities	$ 161	$ 0

Income Taxes - Additional Infor

Income Taxes - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Income Tax Disclosure [Abstract]
Income tax provision (benefit)	$ 48	$ 61
Pre-tax loss	(5,735)	(1,938)
Uncertain tax positions, interest or penalties	$ 0	$ 0

Net Loss Per Share Available _3

Net Loss Per Share Available to Common Stockholders - Schedule of Calculation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Numerator:
Net loss available to common stockholders	$ (5,783)	$ (1,999)	$ (18,227)
Denominator:
Weighted average number of shares, basic	17,235	15,537
Weighted average number of shares, diluted	17,235	15,537
Net loss per share available to common stockholders
Basic net loss per common share available to common stockholders	$ (0.34)	$ (0.13)
Diluted net loss per common share available to common stockholders	$ (0.34)	$ (0.13)

Net Loss Per Share Available _4

Net Loss Per Share Available to Common Stockholders - Schedule of Potential Shares of Common Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Shares excluded from computation of diluted net loss per share (in shares)	3,564	1,928
Options to Purchase Common Stock [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Shares excluded from computation of diluted net loss per share (in shares)	329	381
Unvested RSUs [Member]
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Shares excluded from computation of diluted net loss per share (in shares)	3,235	1,547

Segment Reporting - Additional

Segment Reporting - Additional Information (Details)	3 Months Ended
	Mar. 31, 2023 Segment
Segment Reporting [Abstract]
Number of reporting segment	1
Number of operating segment	1

Subsequent Event (Additional In

Subsequent Event (Additional Information) (Details) - Subsequent Event [Member]	Apr. 26, 2023 $ / shares
Subsequent Event [Line Items]
Nasdaq compliance condition	In accordance with Nasdaq rules, the Company has until October 23, 2023 (180 calendar days from the date of the Nasdaq deficiency notice) to regain compliance with the minimum bid price requirement. If at any time during the 180-day period, the bid price of the Company's common stock closes at or above $1.00 per share for a minimum of 10 consecutive business days, the Company expects that Nasdaq would provide a written confirmation of compliance and the matter will be closed.
Minimum [Member]
Subsequent Event [Line Items]
Share price	$ 1