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Stock Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2024
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-based Compensation Expense | Stock-based compensation expense included in the consolidated statement of operations and comprehensive loss was as follows:
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Cost of revenue |  | $ | 30 |  |  | $ | 32 |
Selling, general, and administrative |  |  | 2,882 |  |  |  | 8,198 |
Research and development |  |  | 144 |  |  |  | 127 |
Total stock-based compensation expense |  | $ | 3,056 |  |  | $ | 8,357 |
Summary of Option Activity Under the Plan | The following tables summarizes the option activity under the 2010 Plan, 2020 Plan, and the 2023 Plan during the year ended December 31, 2024:
|  | Number of Options |  |  | Weighted Average Exercise Price |  |  | Weighted Average Remaining Contractual Term |  |  | Aggregate Intrinsic Value |
|  |  |  |  | (per option) |  |  | (in years) |  |  | (in thousands) |
Outstanding—January 1, 2024 |  |  | 155,441 |  |  | $ | 66.75 |  |  |  | 6.9 |  |  | $ | 5,565 |
Granted |  |  | 147,515 |  |  |  | 46.52 |  |  |  |  |  |  |
Cancellations and forfeitures |  |  | (36,535 | ) |  |  | 48.34 |  |  |  |  |  |  |
Exercised |  |  | (649 | ) |  |  | 34.26 |  |  |  |  |  |  |
Outstanding— December 31, 2024 |  |  | 265,772 |  |  |  | 58.19 |  |  |  | 7.4 |  |  |  | — |
Exercisable at December 31, 2024 |  |  | 120,965 |  |  | $ | 62.91 |  |  |  | 5.4 |  |  | $ | — |
Schedule of Assumptions Used in Black-Scholes Option Pricing Model | The assumptions used in the Black-Scholes option-pricing model are as follows:
|  | Year Ended December 31, |
|  | 2024 |  |  | 2023 |
Expected volatility |  |  | 71.2 | % |  |  | 85.8 | %
Risk-free interest rate |  |  | 4.4 | % |  |  | 4.5 | %
Expected dividend yield |  |  | — | % |  |  | — | %
Expected term (in years) |  | 6.1 |  |  |  | 5.8 |
Summary of Restricted Stock Unit Activity Under the Plan | The following table summarizes the restricted stock unit activity under the 2020 Plan and 2023 Plan during the year ended December 31, 2024:
|  | Number of RSUs |  |  | Weighted Average Grant Date Fair Value |
|  |  |  |  | (per share) |
Outstanding—January 1, 2024 |  |  | 25,745 |  |  | $ | 111.25 |
Granted |  |  | 91,795 |  |  |  | 19.98 |
Cancellations and forfeitures |  |  | — |  |  |  | — |
Vested |  |  | (13,040 | ) |  |  | 111.65 |
Outstanding—December 31, 2024 |  |  | 104,500 |  |  | $ | 30.99 |

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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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- Definition Tabular disclosure of the significant assumptions used during the year to estimate the fair value of employee stock purchase plans, including, but not limited to: (a) expected term, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 718 -SubTopic 10 -Subparagraph (f)(2) -Name Accounting Standards Codification -Paragraph 2 -Section 50 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + Details
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