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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)