Schedule of NovaGold Arrangement Options Activity (Details)	9 Months Ended
	Aug. 31, 2017 $ / shares shares
Balance - End of Period, Number of stock options | shares	7,212,627
Balance - End of Period, Weighted average exercise price | $ / shares	$ 0.56
NovaGold Arrangement Options [Member]
Balance - Beginning of Period, Number of stock Options | shares	312,195
Balance - Beginning of Period, Weighted average exercise price | $ / shares	$ 4.26
Stock options, number of options expired | shares	(312,195)
Stock options, weighted average exercise price, stock options expired | $ / shares	$ 4.26
Balance - End of Period, Number of stock options | shares	0
Balance - End of Period, Weighted average exercise price | $ / shares	$ 0