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Note 11 - Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Capitalized research and development costs | $ 3,272 | $ 2,320
Operating lease liabilities | 1,870 | 859
Accrued vacation pay and stock-based compensation | 532 | 433
Inventories | 434 | 395
Foreign intangible assets | 403 | 369
Net operating loss (state and foreign) | 381 | 245
Acquisition costs | 43 | 44
Allowance for credit losses | 45 | 44
Accrued warranty | 25 | 26
Other | 151 | 62
Total | 7,156 | 4,797
Valuation allowance | (261) | (245)
Deferred tax assets | 6,895 | 4,552
Intangible assets | (4,673) | (1,949)
Right-of-use assets | (1,821) | (762)
Depreciation of property and equipment | (334) | (404)
Deferred tax liabilities | (6,828) | (3,115)
Net deferred tax assets | $ 67 | $ 1,437

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