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Note 11 - Income Taxes - Schedule of Provision (Benefit) for Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Current: |  |
Federal |  |
State |  |
Foreign | 39 |
Total current | 39 |
Deferred: |  |
Federal | 439 | 3,726
State | (20) | 81
Foreign | (18) |
Less: valuation allowance | (366) | (3,761)
Total deferred | 35 | 46
Income tax expense | $ 74 | $ 46

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