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Stock Option Plan (Tables) | 3 Months Ended
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Mar. 31, 2023
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock Option Activity | Stock option activity under the Company's 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, 2022 |  | 1,421,235 |  |  | $ | 12.94 |  |  | 7.09 |  | $ | 483 |
Granted |  | — |  |  | $ | — |  |  |  |  |
Exercised |  | (93,335) |  |  | $ | 0.26 |  |  |  |  |
Forfeited |  | (31,019) |  |  | $ | 14.36 |  |  |  |  |
Expired |  | (277,805) |  |  | $ | 17.96 |  |  |  |  |
Outstanding, March 31, 2023 |  | 1,019,076 |  |  | $ | 12.68 |  |  | 6.97 |  | $ | 287 |
Vested and expected to vest, March 31, 2023 |  | 1,019,076 |  |  | $ | 12.68 |  |  | 6.97 |  | $ | 287 |
Options exercisable, March 31, 2023 |  | 804,742 |  |  | $ | 12.80 |  |  | 6.64 |  | $ | 287 |
Schedule of Restricted Stock Unit Activity | Restricted stock unit activity under the Company's 2019 Plan is set forth below:
|  | Number of Shares |  | Weighted- Average Grant Date Fair Value |  | Aggregate Intrinsic Value (in thousands)
Outstanding, December 31, 2022 |  | 1,036,208 |  |  | $ | 7.28 |  |  | $ | 2,487 |
Awards granted |  | 638,500 |  |  | $ | 2.30 |  |  |
Awards released |  | (113,720) |  |  | $ | 11.27 |  |  |
Awards canceled |  | (66,903) |  |  | $ | 11.37 |  |  |
Outstanding, March 31, 2023 |  | 1,494,085 |  |  | $ | 4.66 |  |  | $ | 3,631 |
Schedule of Non-cash Stock-based Compensation Expense | Total non-cash stock-based compensation expense recorded related to options granted, restricted stock units granted and stock purchase rights granted under the ESPP in the condensed statements of operations is as follows (in thousands):
|  | Three Months Ended March 31, |  |
|  | 2023 |  | 2022 |  |  |  |
Costs of revenue |  | $ | 53 |  |  | $ | 44 |  |  |  |  |
Selling, general and administrative |  | 831 |  |  | 1,118 |  |  |  |  |
Research and development |  | 102 |  |  | 214 |  |  |  |  |
Total |  | $ | 986 |  |  | $ | 1,376 |  |  |  |  |

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- Definition 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. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + 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 -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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