Schedule of Disclosure of Stock Options Outstanding (Details)	9 Months Ended
	Aug. 31, 2017 $ / shares shares
Number of outstanding options | shares	7,212,627
Weighted average years to expiry	3 years 25 days
Weighted average exercise price options outstanding	$ 0.56
Number of exercisable options | shares	5,806,784
Weighted average exercise price	$ 0.58
Number of unvested options | shares	1,405,843
Range 1 [Member]
Exercise price lower range limit	$ 0.35
Exercise price upper range limit	$ 0.50
Number of outstanding options | shares	4,267,627
Weighted average years to expiry	2 years 11 months 12 days
Weighted average exercise price options outstanding	$ 0.41
Number of exercisable options | shares	3,588,457
Weighted average exercise price	$ 0.42
Number of unvested options | shares	679,170
Range 2 [Member]
Exercise price lower range limit	$ 0.51
Exercise price upper range limit	$ 1.00
Number of outstanding options | shares	2,890,000
Weighted average years to expiry	3 years 3 months 18 days
Weighted average exercise price options outstanding	$ 0.75
Number of exercisable options | shares	2,163,327
Weighted average exercise price	$ 0.81
Number of unvested options | shares	726,673
Range 3 [Member]
Exercise price lower range limit	$ 1.01
Exercise price upper range limit	$ 1.47
Number of outstanding options | shares	55,000
Weighted average years to expiry	8 months 1 day
Weighted average exercise price options outstanding	$ 1.59
Number of exercisable options | shares	55,000
Weighted average exercise price	$ 1.59
Number of unvested options | shares	0