Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Share capital [Member]	Warrants [Member]	Contributed surplus [Member]	Contributed surplus - options [Member]	Contributed surplus - units [Member]	Deficit [Member]
Beginning Balance at Nov. 30, 2015	$ 50,430	$ 136,040	$ 2,163	$ 124	$ 17,841	$ 1,164	$ (106,902)
Beginning Balance (Shares) at Nov. 30, 2015		104,796,421
Exercise of options	0	$ 65	0	0	(65)	0	0
Exercise of options (Shares)		162,854
Restricted Share Units	(29)	$ 34	0	0	0	(63)	0
Restricted Share Units (Shares)		108,399
Deferred Share Units	0	$ 218	0	0	0	(218)	0
Deferred Share Units (Shares)		218,795
Stock-based compensation	615	$ 0	0	0	358	257	0
Loss for the year	(4,862)	0	0	0	0	0	(4,862)
Ending Balance at Nov. 30, 2016	46,154	$ 136,357	2,163	124	18,134	1,140	(111,764)
Ending Balance (Shares) at Nov. 30, 2016		105,286,469
Exercise of options	0	$ 85	0	0	(85)	0	0
Exercise of options (Shares)		188,856
Restricted Share Units	(90)	$ 83	0	0	0	(173)	0
Restricted Share Units (Shares)		209,198
Stock-based compensation	705	$ 0	0	0	353	352	0
Loss for the year	(21,104)	0	0	0	0	0	(21,104)
Ending Balance at Nov. 30, 2017	25,665	$ 136,525	2,163	124	18,402	1,319	(132,868)
Ending Balance (Shares) at Nov. 30, 2017		105,684,523
Bought-deal financing (note 8)	28,750	$ 28,750	90	0	0	0	(90)
Bought deal financing (Note 8) (Shares)		24,784,482
Share issuance costs	(1,805)	$ (1,805)	0	0	0	0	0
Exercise of options	0	$ 140	0	0	(140)	0	0
Exercise of options (Shares)		315,148
Restricted Share Units	0	$ 457	0	0	0	(457)	0
Restricted Share Units (Shares)		800,000
NovaGold DSU conversion	0	$ 2	0	(2)	0	0	0
NovaGold DSU conversion (Shares)		1,459
Stock-based compensation	1,441	$ 0	0	0	814	627	0
Loss for the year	(21,849)	0	0	0	0	0	(21,849)
Ending Balance at Nov. 30, 2018	$ 32,202	$ 164,069	$ 2,253	$ 122	$ 19,076	$ 1,489	$ (154,807)
Ending Balance (Shares) at Nov. 30, 2018		131,585,612