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Stock Option Plan (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Share-based Payment Arrangement, Restricted Stock Unit, Activity

RSU activity under the Company's 2019 Plan is set forth below:

						Number of Shares						Weighted- Average Grant Date Fair Value Per Share						Aggregate Intrinsic Value (in thousands)
Outstanding, December 31, 2023						1,387,459						$	4.24					$	2,761
Awards granted						1,324,275						$	2.11
Awards released						(413,202)						$	4.87
Awards canceled						(588,159)						$	4.11
Outstanding, December 31, 2024						1,710,373						$	2.48					$	7,013

Schedule of Stock Option Activity

Stock option activity under the 2019 Plan is set forth below:

						Number of Options						Weighted- Average Exercise Price Per Share						Weighted- Average Remaining Contractual Term (Years)						Aggregate Intrinsic Value (in thousands)
Outstanding, December 31, 2023						986,819						$	11.87					6.44						$	228
Granted						55,500						$	1.99
Exercised						(85,124)						$	0.26
Forfeited						(9,623)						$	16.70
Expired						(458,276)						$	16.46
Outstanding, December 31, 2024						489,296						$	8.39					6.53						$	370
Vested and expected to vest, December 31, 2024						489,296						$	8.39					6.53						$	370
Options exercisable, December 31, 2024						468,706						$	8.65					6.42						$	332

Schedule of Non-cash Stock-based Compensation Expense

Total non-cash stock-based compensation expense recorded related to options granted, RSUs granted and stock purchase rights granted under the ESPP in the statement of operations is as follows (in thousands):

 

						Year Ended December 31,
						2024						2023
Cost of revenue						$	159					$	191
Selling, general and administrative						1,374						3,174
Research and development						230						252
Total						$	1,763					$	3,617

Schedule of Common Stock Reserved For Future Issuance

Common stock reserved for future issuance consists of the following at December 31, 2024:

Warrants to purchase common stock						1,130,281
Common stock option grants issued and outstanding						489,296
Common stock reserved for issuance upon vesting of outstanding restricted stock units						1,710,373
Common stock available for grant under the 2019 Plan						2,189,228
Common stock available for future issuance under ESPP						523,744
Total						6,042,922

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Tabular disclosure of share-based payment arrangement.

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Tabular disclosure of allocation of amount expensed and capitalized for award under share-based payment arrangement to statement of income or comprehensive income and statement of financial position. Includes, but is not limited to, corresponding line item in financial statement.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.

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