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Note 9 - Income Taxes - Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Operating loss carryforwards | $ 0 | $ 1,857
R&D Tax Credits | 300 | 2,779
Section 263A costs | 47 | 56
Additional K-1 temporary adjustment | 1 | 0
Capitalized research and development expenses | 3,389 | 1,029
Interest | 0 | 34
Net ROU asset and lease liability | 42 | 53
Unrealized loss | 0 | 628
Capital loss carryforward | 802 | 0
Bad debts | 13 | 12
Inventory allowance | 454 | 430
State depreciation | 117 | 0
Non-qualified stock options | 463 | 343
Compensation | 122 | 107
Deferred warranty revenue | 2,638 | 1,934
Deferred tax assets | 8,388 | 9,262
Less valuation allowance | (802) | (4,398)
Total deferred tax assets | 7,586 | 4,864
Depreciation | (798) | (748)
Total deferred tax liabilities | (798) | (748)
Net deferred tax assets | $ 6,788 | $ 4,116

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