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Share-Based Compensation (Tables) | 6 Months Ended
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Jun. 30, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule Share-based Compensation Expense | The following table summarizes the components of share-based compensation expense for the three and six months ended June 30, 2025 and 2024 (in thousands):
| Three Months Ended June 30, | Six Months Ended June 30,
| 2025 |  |  |  | 2024 |  |  | 2025 |  | 2024
Research and development | $ | 27 |  |  |  |  | $ | 37 |  |  |  | $ | 153 |  |  | $ | 123 |
General and administrative | 212 |  |  |  |  | 200 |  |  |  | 616 |  |  | 568 |
Total share-based compensation expense | $ | 239 |  |  |  |  | $ | 237 |  |  |  | $ | 769 |  |  | $ | 691 |
Schedule of Total Compensation Cost Related to Nonvested Awards | Total compensation cost related to unvested awards not yet recognized and the weighted-average periods over which the awards were expected to be recognized at June 30, 2025 were as follows (in thousands):
| Stock Options |  | Restricted Stock Units |  |  |  | Restricted Stock
Unrecognized compensation cost | $ | 310 |  |  | $ | 167 |  |  |  |  | $ | 732 |
Expected weighted-average period in years of compensation cost to be recognized | 2.00 |  | 0.51 |  |  |  | 2.11
Schedule of Fair Value of Share-based Compensation Awards | Total fair value of shares vested and the weighted average estimated fair values of shares granted for the six months ended June 30, 2025 and 2024 were as follows (in thousands):
| Stock Options |  | Warrants
| Six Months Ended June 30, |  | Six Months Ended June 30,
| 2025 |  | 2024 |  | 2025 |  | 2024
Total fair value of shares vested | $ | 264 |  |  | $ | 201 |  |  | $ | 150 |  |  | $ | — |
Weighted average estimated fair value of shares granted | $ | 2.60 |  |  | $ | 2.16 |  |  | $ | — |  |  | $ | — |

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- Definition Tabular disclosure of share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 718 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -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 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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