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Deferred income taxes reflect the net tax effects of temporary differences between the carrying amounts of assets and liabilities for financial reporting purposes and the amounts used for income tax purposes. Significant components of our deferred income (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax liabilities: |  |
Excess tax depreciation | $ (496) | $ (477)
ASC 842 operating lease asset | (1,938) | (1,975)
Total deferred tax liabilities | (2,434) | (2,452)
Deferred tax assets: |  |
Net operating loss carryforwards | 10,218 | 12,020
179 Carryforwards |  | 245
163(j) Business interest limitation carryforwards |  | 302
Inventory and other allowances | 764 | 239
Excess book amortization | 60 | 60
174 research and experimental expenditures | 1,053 | 902
Share-based compensation | 788 | 530
Tax credits | 189 | 118
ASC 842 operating lease liability | 2,520 | 2,610
Other accrued costs | 293 | 13
Total deferred tax assets | 15,885 | 17,039
Less: valuation allowance | (13,451) | (14,587)
Deferred income taxes |  |

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