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Note 6 - Income Taxes - Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Unrealized loss on investments | $ 788 | $ 582
Foreign Tax Credit | 124 |
Fixed assets | 1,347 | 370
Other | 134 | 95
Total deferred tax (liability) asset | (301) |
Total deferred tax (liability) asset |  | 307
Less valuation allowance | (517) | (582)
Net deferred tax liability | $ (818) | $ (275)

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