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Note 9 - Income Taxes - Components of Income Before Income Taxes (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Total | $ (25,458) | $ (12,827) | $ 718,453
UNITED STATES |  |  |
Income Before Income Taxes | 5,301 | (851) | 53,971
CANADA |  |  |
Income Before Income Taxes | (30,127) | (12,553) | 664,689
Other Foreign [Member] |  |  |
Income Before Income Taxes | $ (632) | $ 577 | $ (207)

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