Schedule of Common Shares Issued and Outstanding (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	May. 31, 2015	Nov. 30, 2013
Number of Common Shares	60,296,365
Ascribed Value Common Shares	111,833,000
Exercise of NovaGold Arrangement Options (Shares)		46,929
Exercise of NovaGold Arrangement Options		$ 631
Private Placement (shares)		6,521,740
Stock Issued During Period, Value, New Issues		$ 5,068
Vesting of NovaGold Performance Share Units (Shares)		14,166
Vesting of NovaGold Performance Share Units Value		$ 28
Vesting of Restricted Share Units (Shares)	337,336	492,501
Vesting of Restricted Share Units	$ 636	$ 929
Vesting of Deferred Share Units (Shares)		154,373
Vesting of Deferred Share Units		$ 282
Number of Common Shares	60,633,701	53,066,656
Ascribed Value Common Shares	112,469,000	104,895,000