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Stock-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2025
Share-Based Payment Arrangement [Abstract] |
Summary of Stock Option Activity | A summary of the 2023 Plan option activity and related information follows (in thousands, except weighted averages): Summary of Stock Option Activity
|  | Number of Options Outstanding |  |  | Weighted Average Exercise Price |  |  | Weighted- Average Remaining Contractual Life (Years) |  |  | Aggregate Intrinsic Value |
Outstanding at January 1, 2025 |  |  | 77 |  |  | $ | 220.92 |  |  |  | 5.67 |  |  | $ | 5 |
Options granted |  |  | 217 |  |  |  | 4.23 |  |  |  |  |  |  |  |  |
Options exercised |  |  | — |  |  |  | - |  |  |  |  |  |  |  |  |
Options forfeited or cancelled |  |  | (17 | ) |  |  | 252.37 |  |  |  |  |  |  |  |  |
Outstanding at December 31, 2025 |  |  | 277 |  |  | $ | 49.57 |  |  |  | 8.39 |  |  | $ | — |
Exercisable at December 31, 2025 |  |  | 78 |  |  | $ | 160.73 |  |  |  | 5.54 |  |  | $ | — |
Summary of Restricted Stock Unit Activity | A summary of the 2023 Plan restricted stock unit (RSU) activity and related information follows (in thousands, except weighted average grant date fair value): Summary of Restricted Stock Unit Activity
|  | Number of Units Outstanding |  |  | Weighted Average Grant-Date Fair Value |
Balance at January 1, 2025 |  |  | 2 |  |  | $ | 13.80 |
Vested and released |  |  | (2 | ) |  |  | 13.80 |
Balance at December 31, 2025 |  |  | — |  |  | $ | — |
Schedule of Stock-Based Compensation Expense | The Company recorded stock-based compensation expense in the following categories on the accompanying consolidated statements of operations for the periods presented (in thousands): Schedule of Stock-Based Compensation Expense
|  | 2025 |  |  | 2024 |
|  | Year Ended December 31, |
|  | 2025 |  |  | 2024 |
Research and development |  | $ | 426 |  |  | $ | 751 |
General and administrative |  |  | 1,682 |  |  |  | 2,206 |
Total stock-based compensation expense |  | $ | 2,108 |  |  | $ | 2,957 |
Schedule of Stock Options Valuation Assumptions | Schedule of Stock Options Valuation Assumptions
|  | Year Ended December 31, |
|  | 2025 |  |  | 2024 |
Expected volatility |  |  | 87.84 | % |  |  | 85.63 | %
Risk-free interest rate |  |  | 3.93 | % |  |  | 4.21 | %
Expected option life (in years) |  |  | 5.78 |  |  |  | 5.64 |
Expected dividend yield |  |  | 0.0 | % |  |  | 0.0 | %

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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 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 stock options, including, but not limited to: (a) expected term of share options and similar instruments, (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 Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480429/718-10-50-2 + Details
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