Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Share capital	Warrants	Contributed surplus	Contributed surplus - options	Contributed surplus - units	Deficit	Total
Beginning Balance at Nov. 30, 2017	$ 136,525	$ 2,163	$ 124	$ 18,402	$ 1,319	$ (132,868)	$ 25,665
Beginning Balance (Shares) at Nov. 30, 2017	105,684,523
Exercise of options	$ 140			(140)
Exercise of options (Shares)	315,148
Restricted Share Units	$ 457				(457)
Restricted Share Units (Shares)	800,000
Bought deal financing	$ 28,750	90				(90)	28,750
Bought deal financing (Shares)	24,784,482
Share issuance costs	$ (1,805)						(1,805)
NovaGold DSU conversion	$ 2		(2)
NovaGold DSU conversion (Shares)	1,459
Stock-based compensation				814	627		1,441
Earnings (loss) for the period						(21,849)	(21,849)
Ending Balance at Nov. 30, 2018	$ 164,069	2,253	122	19,076	1,489	(154,807)	32,202
Ending Balance (Shares) at Nov. 30, 2018	131,585,612
Exercise of options	$ 1,123			(915)			208
Exercise of options (Shares)	1,725,776
Exercise of warrants	$ (12,166)	$ 2,253					$ (9,913)
Exercise of warrants (Shares)	6,521,740						6,521,740
Restricted Share Units	$ 424				(424)
Restricted Share Units (Shares)	412,501
Deferred share units	$ 189				(189)
Deferred share units (Shares)	182,132
Stock-based compensation				2,962	883		$ 3,845
Earnings (loss) for the period						(27,905)	(27,905)
Ending Balance at Nov. 30, 2019	$ 177,971		122	21,123	1,759	(182,712)	18,263
Ending Balance (Shares) at Nov. 30, 2019	140,427,761
Exercise of options	$ 1,133			(916)			217
Exercise of options (Shares)	3,297,588
Restricted Share Units	$ 642				(642)
Restricted Share Units (Shares)	412,501
Stock-based compensation				3,096	468		3,564
Earnings (loss) for the period						161,767	161,767
Ending Balance at Nov. 30, 2020	$ 179,746		$ 122	$ 23,303	$ 1,585	$ (20,945)	$ 183,811
Ending Balance (Shares) at Nov. 30, 2020	144,137,850