Schedule of NovaGold Arrangement Options Activity (Details)	12 Months Ended						17 Months Ended
	Nov. 30, 2014 USD ($)	Nov. 30, 2014 CAD	Nov. 22, 2013 CAD	Nov. 30, 2013 CAD	Nov. 30, 2012	Nov. 30, 2014 NovaGold Arrangement Options [Member] USD ($)	Apr. 30, 2014 NovaGold Arrangement Options [Member] USD ($)
Balance - Beginning of Period, Number of stock Options	168,332	168,332				1,709,503
Balance - Beginning of Period, Weighted average exercise price	$ 1.79					$ 4.08
Stock options, number of options exercised	46,929	46,929		52,243	10,986	(212,075)
Stock options, weighted average exercise price, options exercised		1.22	3.11	1.98		$ 1.15	$ 1.74
Stock options, number of options expired						(474,597)
Stock options, weighted average exercise price, stock options expired						$ 2.58
Stock options, number of options forfeited during the period	(46,666)	(46,666)				(301,416)
Stock options, weighted average exercise price of forfeitures	$ 1.74					$ 4.56
Balance - End of Period, Number of stock options	1,741,666	1,741,666				721,415
Balance - End of Period, Weighted average exercise price	$ 1.11					$ 5.06