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Income Taxes (Details Narrative) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Federal statutory income tax rate | 21.00% | 21.00% |
Cash income taxes paid | $ 17 | $ 14 |
Research and development credits carryforwards | 928 | 931 |
Valuation allowance | 4,800 | 5,500 |
Unrecognized Tax Benefits | 2,364 | $ 1,799 | $ 1,517
Prior December 2017 [Member] |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Operating loss carryforwards | 8,000 |  |
After December 2017 [Member] |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Operating loss carryforwards | 81,200 |  |
Domestic Tax Jurisdiction [Member] |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Operating loss carryforwards | 89,200 |  |
Research and development credits carryforwards | 1,400 |  |
State and Local Jurisdiction [Member] |  |  |
Effective Income Tax Rate Reconciliation [Line Items] |  |  |
Operating loss carryforwards | 106,200 |  |
Research and development credits carryforwards | $ 1,300 |  |

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