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Schedule of Significant Components of the Entity's Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Net operating loss and tax credit carryforwards | $ 59,417 | $ 57,074
Depreciation, amortization and impairment of property and equipment | 39 | 39
Stock options | 250 | 210
Research and development credits |  |
Right of use asset | (1) | (26)
Lease liability | 1 | 26
Other | 114 |
Total deferred tax assets | 59,820 | 57,323
Valuation allowance for deferred tax assets | (59,820) | (57,323)
Net deferred tax assets |  |

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- Definition Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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