Financial instruments (Narrative) (Details)	12 Months Ended
	Nov. 30, 2016 USD ($)	Nov. 30, 2016 CAD	Nov. 30, 2015 USD ($)
Accounts receivable | $	$ 47,000		$ 39,000
Deposits and prepaid amounts | $	724,000		$ 688,000
Interest rate loss | $	$ 100,000
Canadian Limit Due to Currency Risk [Member]
Cash		CAD 451,000
Accounts receivable		32,000
Deposits and prepaid amounts		146,000
Accounts payable		CAD 528,000
Change in foreign exchange rate	1.00%	1.00%
Foreign currency net loss | $	$ 79,000
Change in interest rate	1.00%
Investments		CAD 10,521,000