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

Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.

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