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Note 11 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Net Income (Loss) Attributable to Parent, Total $ 742 $ (435) $ 1,458 $ (1,248)