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Schedule of Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 59,358 | $ 57,763
Stock-based compensation | 3,690 | 3,192
Federal R&D credit | 2,120 | 2,222
Impairment | 1,146 | 1,148
Accrued expenses |  | 53
Capitalized research expenses | 2,217 | 3,145
Intangibles | 186 | 237
Right of use asset/liabilities | 32 | 32
Depreciation | 243 |
Other | 1 | 15
Total deferred tax assets | 68,993 | 67,807
Deferred tax liabilities: |  |
Depreciation |  | (431)
Total deferred tax liabilities |  | (431)
Less valuation allowance | (68,993) | (67,376)
Net deferred tax liability |  |

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