Schedule of NovaGold Arrangement Options Activity (Details) - NovaGold Arrangement Options [Member]	12 Months Ended
	Nov. 30, 2017 $ / shares shares
Balance - Beginning of Period, Number of stock Options | shares	312,195
Balance - Beginning of Period, Weighted average exercise price | $ / shares	$ 4.28
Stock options, number of options expired | shares	(312,195)
Stock options, weighted average exercise price, stock options expired | $ / shares	$ 4.28
Balance - End of Period, Number of stock options | shares	0
Balance - End of Period, Weighted average exercise price | $ / shares	$ 0