Schedule of Disclosure of Stock Options Outstanding (Details) (USD $)			6 Months Ended
	May 31, 2013	Nov. 30, 2012	May 31, 2013 Range 1 [Member]	May 31, 2013 Range 2 [Member]
Exercise price lower range limit			$ 1.71	$ 3.00
Exercise price upper range limit			$ 2.99	$ 3.99
Number of outstanding options	5,939,996	6,064,994	135,000	5,804,996
Weighted average years to expiry	3 years 11 months 5 days		4 years 3 months 11 days	3 years 11 months 5 days
Weighted average exercise price options outstanding	$ 2.97	$ 2.98	$ 1.76	$ 3.00
Number of exercisable options	4,571,654		6,666	4,564,988
Weighted average exercise price	$ 3.00		$ 1.90	$ 3.00