Schedule of NovaGold Arrangement Options Activity (Details) - $ / shares	6 Months Ended	12 Months Ended
	May. 31, 2015	Nov. 30, 2013
Balance - Beginning of Period, Number of stock Options	1,741,666
Balance - Beginning of Period, Weighted average exercise price	$ 1.11
Stock options, number of options exercised		46,929
Stock options, number of options forfeited during the period	(200,000)
Stock options, weighted average exercise price of forfeitures	$ 0.97
Balance - End of Period, Number of stock options	3,161,666
Balance - End of Period, Weighted average exercise price	$ 0.75
NovaGold Arrangement Options [Member]
Balance - Beginning of Period, Number of stock Options	721,415
Balance - Beginning of Period, Weighted average exercise price	$ 5.06
Stock options, number of options expired	(170,288)
Stock options, weighted average exercise price, stock options expired	$ 3.16
Stock options, number of options forfeited during the period	(4,356)
Stock options, weighted average exercise price of forfeitures	$ 4.73
Balance - End of Period, Number of stock options	546,771
Balance - End of Period, Weighted average exercise price	$ 5.10