Consolidated Statements of Changes in Shareholders' Equity - USD ($) $ in Thousands	Total	Share capital [Member]	Warrant [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
Restricted Share Units	(29)	$ 34	0	0	0	(63)	0
Restricted Share Units (Shares)		108,399
Deferred Share Units	0	$ 29	0	0	0	(29)	0
Deferred Share Units (Shares)		75,000
Exercise of options	0	$ 14	0	0	(14)	0	0
Exercise of options (Shares)		45,054
Stock-based compensation	398	$ 0	0	0	254	144	0
Loss for the period	(3,342)	0	0	0	0	0	(3,343)
Ending Balance at May. 31, 2016	47,456	$ 136,117	2,163	124	18,081	1,216	(110,245)
Ending Balance (Shares) at May. 31, 2016		105,024,874
Beginning Balance at Nov. 30, 2016	46,154	$ 136,357	2,163	124	18,134	1,140	(111,764)
Beginning Balance (Shares) at Nov. 30, 2016		105,286,469
Restricted Share Units	(90)	$ 83	0	0	0	(173)	0
Restricted Share Units (Shares)		209,198
Exercise of options	0	$ 23	0	0	(23)	0	0
Exercise of options (Shares)		58,822
Stock-based compensation	499	$ 0	0	0	269	230	0
Loss for the period	(5,387)	0	0	0	0	0	(5,387)
Ending Balance at May. 31, 2017	$ 41,176	$ 136,463	$ 2,163	$ 124	$ 18,380	$ 1,197	$ (117,151)
Ending Balance (Shares) at May. 31, 2017		105,554,489