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Income taxes (Details - Deferred tax assets) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Deferred tax liabilities attributable to: |  |
Accumulated depreciation and amortization | $ (3,829) | $ (3,519)
Unrealized gains | (467) | (469)
Total deferred tax liabilities | (4,296) | (3,988)
Deferred tax assets attributable to: |  |
Net operating losses | 6 | 6
Accrued compensation | 454 | 403
Incentive compensation | 499 | 301
Inventory | 279 | 280
Allowances for doubtful accounts and discounts | 2 | 3
Other | (6) | (6)
Total net deferred tax assets | 1,234 | 987
Net deferred tax liabilities | $ (3,062) | $ (3,001)

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