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Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses | $ 197 | $ 86
Share-based compensation | 540 | 388
Depreciation | 405 | 177
Prepaid expenses | 12 | 61
Accrued vacation | (4) | (1)
ASC 842 lease standard | 11 | (51)
Net operating loss carryforwards | 22,128 | 21,020
Gross deferred tax assets | 23,289 | 21,680
Valuation allowance | (23,054) | (21,598)
Total deferred tax assets, net of valuation allowance | 235 | 82
Deferred tax liabilities |  |
Other | $ (235) | $ (82)

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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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- Definition Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482685/740-10-50-2 + Details
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