Schedule of NovaGold Arrangement Options Activity (Details)	9 Months Ended
	Aug. 31, 2016 $ / shares shares
Balance - Beginning of Period, Number of stock Options | shares	5,288,350
Balance - Beginning of Period, Weighted average exercise price | $ / shares	$ 0.58
Stock options exercised | shares	(364,969)
Stock options, weighted average exercise price, exercised | $ / shares	$ 0.39
Stock options, number of options forfeited during the period | shares	(300,000)
Stock options, weighted average exercise price of forfeitures | $ / shares	$ 0.70
Balance - End of Period, Number of stock options | shares	6,408,381
Balance - End of Period, Weighted average exercise price | $ / shares	$ 0.52
NovaGold Arrangement Options [Member]
Balance - Beginning of Period, Number of stock Options | shares	509,272
Balance - Beginning of Period, Weighted average exercise price | $ / shares	$ 4.77
Stock options, number of options cancelled | shares	(14,574)
Stock options, weighted average exercise price of cancelled | $ / shares	$ 5.04
Stock options, number of options expired | shares	(169,878)
Stock options, weighted average exercise price, stock options expired | $ / shares	$ 5.75
Balance - End of Period, Number of stock options | shares	324,820
Balance - End of Period, Weighted average exercise price | $ / shares	$ 4.39