Interim Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Share capital	Contributed surplus.	Contributed surplus - options	Contributed surplus - units.	Deficit	Total
Beginning Balance at Nov. 30, 2020	$ 179,746	$ 122	$ 23,303	$ 1,585	$ (20,945)	$ 183,811
Beginning Balance (Shares) at Nov. 30, 2020	144,137,850
Exercise of options	$ 334		(334)
Exercise of options (Shares)	76,635
Stock-based compensation			2,112	36		2,148
Earnings (Loss) for the period					(4,516)	(4,516)
Ending Balance at Feb. 28, 2021	$ 180,080	122	25,081	1,621	(25,461)	181,443
Ending Balance (Shares) at Feb. 28, 2021	144,214,485
Beginning Balance at Nov. 30, 2020	$ 179,746	122	23,303	1,585	(20,945)	183,811
Beginning Balance (Shares) at Nov. 30, 2020	144,137,850
Earnings (Loss) for the period						(7,929)
Ending Balance at May. 31, 2021	$ 180,388	122	25,367	1,657	(28,874)	178,660
Ending Balance (Shares) at May. 31, 2021	144,446,485
Beginning Balance at Feb. 28, 2021	$ 180,080	122	25,081	1,621	(25,461)	181,443
Beginning Balance (Shares) at Feb. 28, 2021	144,214,485
Exercise of options	$ 308		(202)			106
Exercise of options (Shares)	232,000
Stock-based compensation			488	36		524
Earnings (Loss) for the period					(3,413)	(3,413)
Ending Balance at May. 31, 2021	$ 180,388	122	25,367	1,657	(28,874)	178,660
Ending Balance (Shares) at May. 31, 2021	144,446,485
Beginning Balance at Nov. 30, 2021	$ 180,820	122	25,990	1,712	(42,605)	166,039
Beginning Balance (Shares) at Nov. 30, 2021	145,009,811
Exercise of options	$ 50		(32)			18
Exercise of options (Shares)	31,674
Restricted Share Units	$ 650			(650)
Restricted Share Units (Shares)	391,332
Joint venture contribution (Shares)	31,469
Stock-based compensation			864	1,001		1,865
Earnings (Loss) for the period					(5,023)	(5,023)
Ending Balance at Feb. 28, 2022	$ 181,571	122	26,822	2,063	(47,628)	162,950
Ending Balance (Shares) at Feb. 28, 2022	145,464,286
Beginning Balance at Nov. 30, 2021	$ 180,820	122	25,990	1,712	(42,605)	166,039
Beginning Balance (Shares) at Nov. 30, 2021	145,009,811
Exercise of options (Shares)	328,635
Restricted Share Units (Shares)	501,332
Joint venture contribution (Shares)	31,469
Earnings (Loss) for the period						(9,097)
Ending Balance at May. 31, 2022	$ 181,710	122	27,106	2,179	(51,702)	159,415
Ending Balance (Shares) at May. 31, 2022	145,851,247
Joint venture contribution	$ 51					51
Beginning Balance at Feb. 28, 2022	$ 181,571	122	26,822	2,063	(47,628)	162,950
Beginning Balance (Shares) at Feb. 28, 2022	145,464,286
Exercise of options	$ 26		10			36
Exercise of options (Shares)	276,961
Restricted Share Units	$ 113			(113)
Restricted Share Units (Shares)	110,000
Stock-based compensation			274	229		503
Earnings (Loss) for the period					(4,074)	(4,074)
Ending Balance at May. 31, 2022	$ 181,710	$ 122	$ 27,106	$ 2,179	$ (51,702)	$ 159,415
Ending Balance (Shares) at May. 31, 2022	145,851,247
Joint venture contribution	$ 51