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Stock Option Plan (Tables) | 6 Months Ended
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Jun. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of 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
Outstanding, December 31, 2024 |  | 1,710,373 |  |  | $ | 2.48 |
Awards granted |  | 511,340 |  |  | $ | 3.97 |
Awards released |  | (317,280) |  |  | $ | 2.82 |
Awards canceled |  | (224,809) |  |  | $ | 2.73 |
Outstanding, June 30, 2025 |  | 1,679,624 |  |  | $ | 2.83 |
Schedule of Stock Option Activity | Stock option activity under the 2019 Plan is set forth below:
|  | Number of Options |  | Weighted- Average Exercise Price |  | Weighted- Average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (in thousands)
Outstanding, December 31, 2024 |  | 489,296 |  |  | $ | 8.39 |  |  | 6.53 |  | $ | 370 |
Granted |  | 169,570 |  |  | $ | 4.68 |  |  |  |  |
Exercised |  | (108) |  |  | $ | 0.37 |  |  |  |  |
Expired |  | (94,317) |  |  | $ | 8.79 |  |  |  |  |
Outstanding, June 30, 2025 |  | 564,441 |  |  | $ | 7.21 |  |  | 6.71 |  | $ | 1,222 |
Vested and expected to vest, June 30, 2025 |  | 564,441 |  |  | $ | 7.21 |  |  | 6.71 |  | $ | 1,222 |
Options exercisable, June 30, 2025 |  | 379,524 |  |  | $ | 8.54 |  |  | 5.28 |  | $ | 741 |
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 condensed statements of operations is as follows (in thousands):
|  | Three Months Ended June 30, |  | Six Months Ended June 30,
|  | 2025 |  | 2024 |  | 2025 |  | 2024
Cost of revenue |  | $ | 60 |  |  | $ | 39 |  |  | $ | 115 |  |  | $ | 56 |
Selling, general and administrative |  | 324 |  |  | 465 |  |  | 670 |  |  | 944 |
Research and development |  | 59 |  |  | 56 |  |  | 75 |  |  | 113 |
Total |  | $ | 443 |  |  | $ | 560 |  |  | $ | 860 |  |  | $ | 1,113 |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (d) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (e) -SubTopic 10 -Topic 718 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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