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Share-Based Compensation (Tables) | 12 Months Ended
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Dec. 31, 2025
Share-Based Payment Arrangement [Abstract] |
Schedule of weighted-average assumptions of fair value stock option issued to employees | The fair value of each stock option issued to employees was estimated at the date of grant using Black-Scholes with the following weighted-average assumptions:
| Year Ended,
| 2025 |  | 2024
Expected volatility | 114.07 | % |  | 108.73 | %
Expected term (years) | 6 |  | 6
Risk-free interest rate | 4.4 | % |  | 4.0 | %
Expected dividend yield | — | % |  | — | %
Schedule of stock option activity | A summary of stock option activity is presented below:
| Number of Stock Options |  | Weighted- average Exercise Price Per Option |  | Weighted- average Remaining Contractual Term (Years) |  | Aggregate Intrinsic Value (in thousands)
Outstanding, January 1, 2025 | 7,285,275 |  | $ | 5.76 |  |  | 7.61 |  | $ | 942 |
Granted | 1,470,812 |  | 1.00 |  |  |  |  |
Exercised | (614,230) |  | 0.00010 |  |  |  |  |
Forfeited/expired | (2,165,700) |  | 2.74 |  |  |  |  |
Outstanding, December 31, 2025 | 5,976,157 |  | $ | 6.28 |  |  | 2.28 |  | $ | 37 |
Exercisable, December 31, 2025 | 4,351,787 |  | $ | 7.94 |  |  | 1.81 |  | $ | 37 |
Schedule of Restricted Stock Units activity | The following table summarizes the Company's restricted stock units ('RSUs") under the Plan since December 31, 2025:
| Number of Shares Underlying RSUs |  | Weighted-Average Grant Date Fair Value |
Unvested, January 1, 2025 | — |  |  | $ | — |  |
Granted | 886,018 |  | 1.50 |  |
Vested and settled | — |  |  | — |  |
Vested and deferred | — |  |  | — |  |
Forfeited | (21,294) |  | 1.50 |  |
Unvested outstanding, December 31, 2025 | 864,724 |  | 1.50 |  |
Vested but subject to deferred settlement at December 31, 2025 | — |  |  | $ | — |  |
Outstanding at December 31, 2025 | 864,724 |  | $ | 1.50 |  |
Schedule of share based compensation expense | Share based compensation expense is classified in the consolidated statements of operations and comprehensive loss as follows (in thousands):
| Year ended December 31, 2025 |  | Year ended December 31, 2024
Research and development | $ | 133 |  |  | $ | 1,680 |
General and administrative | 335 |  |  | 3,029 |
Total | $ | 468 |  |  | $ | 4,709 |

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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 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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- 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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