NOTE 22. UNAUDITED SUPPLEMENTARY DATA (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Nov. 30, 2015	Aug. 31, 2015	May. 31, 2015	Feb. 28, 2015	Nov. 30, 2014	Aug. 31, 2014	May. 31, 2014	Feb. 28, 2014	Nov. 30, 2015	Nov. 30, 2014	Nov. 30, 2013
Quarterly Financial Information Disclosure [Abstract]
Operating loss	$ (6,585)	$ (6,579)	$ (7,246)	$ (11,286)	$ (7,656)	$ (10,755)	$ (8,264)	$ (11,333)	$ (31,696)	$ (38,008)	$ (55,776)
Net loss	$ (7,168)	$ (6,301)	$ (9,184)	$ (9,299)	$ (7,103)	$ (12,009)	$ (10,681)	$ (10,691)	$ (31,952)	$ (40,484)	$ (62,760)
Loss per common share, basic and diluted	$ (0.02)	$ (0.02)	$ (0.03)	$ (0.03)	$ (0.02)	$ (0.04)	$ (0.03)	$ (0.03)	$ (0.10)	$ (0.13)	$ (0.2)