Note 14 - Income Taxes - Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
Nov. 30, 2020	Nov. 30, 2019	Nov. 30, 2018
Current:
Canada	$ 0	$ 0	$ 0
Foreign	(30)	607	446
Current Income Tax Expense (Benefit), Total	(30)	607	446
Deferred:
Canada	0	0	0
Foreign	(751)	671	80
Deferred Income Tax Expense (Benefit), Total	(751)	671	80
Income tax (recovery) expense	$ (781)	$ 1,278	$ 526

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

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