Schedule of Disclosure of Stock Options Outstanding (Details)	6 Months Ended
	May 31, 2019 $ / shares shares
Number of outstanding options | shares	11,129,781
Weighted average years to expiry	2 years 6 months 10 days
Weighted average exercise price options outstanding	$ 0.95
Number of exercisable options | shares	9,288,109
Weighted average exercise price exercisable	$ 0.79
Number of unvested options | shares	1,841,672
Range 1 [Member]
Exercise price lower range limit	$ 0.33
Exercise price upper range limit	$ 0.50
Number of outstanding options | shares	3,920,614
Weighted average years to expiry	1 year 2 months 19 days
Weighted average exercise price options outstanding	$ 0.38
Number of exercisable options | shares	3,920,614
Weighted average exercise price exercisable	$ 0.38
Number of unvested options | shares	0
Range 2 [Member]
Exercise price lower range limit	$ 0.51
Exercise price upper range limit	$ 1.00
Number of outstanding options | shares	4,346,667
Weighted average years to expiry	2 years 5 months 12 days
Weighted average exercise price options outstanding	$ 0.71
Number of exercisable options | shares	3,898,331
Weighted average exercise price exercisable	$ 0.70
Number of unvested options | shares	448,336
Range 3 [Member]
Exercise price lower range limit	$ 1.01
Exercise price upper range limit	$ 1.50
Number of outstanding options | shares	225,000
Weighted average years to expiry	3 years 10 months 13 days
Weighted average exercise price options outstanding	$ 1.31
Number of exercisable options | shares	125,000
Weighted average exercise price exercisable	$ 1.22
Number of unvested options | shares	100,000
Range Four [Member]
Exercise price lower range limit	$ 1.51
Exercise price upper range limit	$ 2.00
Number of outstanding options | shares	120,000
Weighted average years to expiry	4 years 1 month 9 days
Weighted average exercise price options outstanding	$ 1.79
Number of exercisable options | shares	86,666
Weighted average exercise price exercisable	$ 1.76
Number of unvested options | shares	33,334
Range Five [Member]
Exercise price lower range limit	$ 2.01
Exercise price upper range limit	$ 2.52
Number of outstanding options | shares	2,517,500
Weighted average years to expiry	4 years 6 months 10 days
Weighted average exercise price options outstanding	$ 2.19
Number of exercisable options | shares	1,257,498
Weighted average exercise price exercisable	$ 2.19
Number of unvested options | shares	1,260,002