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Note 12 - Income Taxes - Schedule of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Federal net operating loss carryforward | $ 11,163 | $ 11,737
Stock compensation | 337 | 684
Accrued compensation | 57 | 86
Basis of intangible assets | 132 | 147
Capital loss carryforward | 1,631 | 1,719
Other | 5 | 0
Valuation allowance | (7,896) | (9,407)
Total deferred tax assets | 5,429 | 4,966
Basis of property, plant and equipment | 3,189 | 3,636
Prepaid expenses | 219 | 212
Basis in foreign entity | 2,021 | 1,118
Other | 0 | 0
Total deferred tax liabilities | 5,429 | 4,966
Net deferred tax liabilities | $ 0 | $ 0

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