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Note 9 - Income Taxes - Income Tax from Continuing Operations (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
United States, current | $ 17 | $ 262 | $ 1,806
Canada, current | (9,486) | (1,821) | 48,031
Other Foreign, current | 14 | 0 | 0
Total, current | (9,455) | (1,559) | 49,837
United States, deferred | 0 | 0 | 0
Canada, deferred | 1,505 | (155) | (13)
Other Foreign, deferred | (94) | 108 | 0
Total, deferred | 1,411 | (47) | (13)
Total income tax expense | $ (8,044) | $ (1,606) | $ 49,824

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