Schedule of NovaGold Arrangement Options Activity (Details)	12 Months Ended
	Nov. 30, 2016 $ / shares shares
Balance - Beginning of Period, Number of stock Options | shares	5,288,350
Balance - Beginning of Period, Weighted average exercise price | $ / shares	$ 0.57
Stock options, number of options forfeited during the period | shares	(601,718)
Stock options, weighted average exercise price of forfeitures | $ / shares	$ 0.58
Balance - End of Period, Number of stock options | shares	6,049,433
Balance - End of Period, Weighted average exercise price | $ / shares	$ 0.50
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 forfeited during the period | shares	(27,199)
Stock options, weighted average exercise price of forfeitures | $ / shares	$ 4.68
Stock options, number of options expired | shares	(169,878)
Stock options, weighted average exercise price, stock options expired | $ / shares	$ 5.61
Balance - End of Period, Number of stock options | shares	312,195
Balance - End of Period, Weighted average exercise price | $ / shares	$ 4.28