Schedule of NovaGold Arrangement Stock Options Outstanding (Details)	12 Months Ended
	Nov. 30, 2016 $ / shares shares
Weighted average exercise price	$ 0.55
NovaGold Arrangement Options [Member]
Number of outstanding and exercisable options | shares	312,195
Weighted average years to expiry	1 month 2 days
Weighted average exercise price	$ 4.28
NovaGold Arrangement Range 1 [Member] | NovaGold Arrangement Options [Member]
Exercise price lower range limit	2.75
Exercise price upper range limit	$ 3.99
Number of outstanding and exercisable options | shares	49,998
Weighted average years to expiry	3 months 29 days
Weighted average exercise price	$ 2.91
NovaGold Arrangement Range 2 [Member] | NovaGold Arrangement Options [Member]
Exercise price lower range limit	4.00
Exercise price upper range limit	$ 5.99
Number of outstanding and exercisable options | shares	245,531
Weighted average years to expiry	7 days
Weighted average exercise price	$ 4.41
NovaGold Arrangement Range 3 [Member] | NovaGold Arrangement Options [Member]
Exercise price lower range limit	6.00
Exercise price upper range limit	$ 6.48
Number of outstanding and exercisable options | shares	16,666
Weighted average years to expiry	6 months
Weighted average exercise price	$ 6.45