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SHARE-BASED COMPENSATION (Tables) | 3 Months Ended
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Mar. 31, 2026
Share-Based Payment Arrangement [Abstract] |
Schedule of Share-Based Compensation Expense | The Company recorded employee and nonemployee share-based compensation expense as follows (in thousands):
| Three Months Ended March 31, |  |
| 2026 |  | 2025 |  |  |  |
Employee | $ | 1,414 |  |  | $ | 2,639 |  |  |  |  |
Nonemployee | 135 |  |  | 183 |  |  |  |  |
| $ | 1,549 |  |  | $ | 2,822 |  |  |  |  |
Schedule of Share-Based Compensation Expense by Line Item | Share-based compensation expense is included in the following line items in the condensed statements of operations (in thousands):
| Three Months Ended March 31, |  |
| 2026 |  | 2025 |  |  |  |
Research and development | $ | 382 |  |  | $ | 503 |  |  |  |  |
General and administrative | 1,167 |  |  | 2,319 |  |  |  |  |
| $ | 1,549 |  |  | $ | 2,822 |  |  |  |  |
Summary of Activity of Option Plans | The following table summarizes activity in the Company’s stock option plans for the three months ended March 31, 2026:
| Outstanding Option Shares |  | Weighted-Average Exercise Price
Balance as of December 31, 2025 | 168,993 |  | $ | 165.54 |
Granted | — |  | — |
Exercised | — |  | — |
Forfeited/canceled | (21,012) |  | 274.66 |
Balance as of March 31, 2026 | 147,981 |  | $ | 150.05 |
Summary of Restricted Stock Unit Activity | The following table summarizes the Company’s RSU activity for the three months ended March 31, 2026:
| RSU Awards |  | Weighted-Average Grant Date Fair Value
Unvested RSUs as of December 31, 2025 | 1,623,933 |  | $ | 7.36 |
Granted | — |  | — |
Forfeited | (5,171) |  | 4.87 |
Vested | (617,830) |  | 8.95 |
Unvested RSUs as of March 31, 2026 | 1,000,932 |  | $ | 6.41 |

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- Definition Tabular disclosure of cost recognized for award under share-based payment arrangement by plan. Includes, but is not limited to, related tax benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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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 -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + 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 -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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