Consolidated Statements of Comprehensive Income (Loss) - USD ($)	3 Months Ended		9 Months Ended
	Aug. 31, 2016	Aug. 31, 2015	Aug. 31, 2016	Aug. 31, 2015
Income Statement [Abstract]
Net income (loss)	$ (456,889)	$ 515,700	$ (1,202,179)	$ 14,309
Other Comprehensive income (loss):
Unrealized loss on marketable securities		(52,000)		(976,000)
Comprehensive income (loss)	$ (456,889)	$ 463,700	$ (1,202,179)	$ (961,691)