CAPITAL STOCK - Schedule of Stockholders' Equity Note, Warrants or Rights (Details) $ / shares in Units, $ in Thousands		9 Months Ended
	Sep. 20, 2016 USD ($) $ / shares	Sep. 30, 2016 USD ($)	Sep. 30, 2016 CAD / shares shares	Sep. 30, 2016 $ / shares shares
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares	$ 2.45			$ 2.45
Number of warrants outstanding (in shares)			4,168,750	4,168,750
Fair value of warrants | $	$ 3,170	$ 2,926
Share Purchase Warrants Denominated in Canadian Dollars | June Two Two Two Zero One Seven Expiry Date
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | CAD / shares			CAD 13.25
Number of warrants outstanding (in shares)			351,025,000	351,025,000
Share Purchase Warrants Denominated in Canadian Dollars | June One Five Two Zero One Seven Expiry Date
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | CAD / shares			CAD 9.50
Number of warrants outstanding (in shares)			456,948,000	456,948,000
Share Purchase Warrants Denominated in United States Dollars
Class of Warrant or Right [Line Items]
Fair value of warrants | $		3,663
Share Purchase Warrants Denominated in United States Dollars | January Two Five Two Zero One Seven Expiry Date
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares				$ 6.28
Number of warrants outstanding (in shares)			1,224,000	1,224,000
Fair value of warrants | $		10
Share Purchase Warrants Denominated in United States Dollars | March One Four Two Zero One Nine Expiry Date
Class of Warrant or Right [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares				$ 3.20
Number of warrants outstanding (in shares)			2,515,625	2,515,625
Fair value of warrants | $		$ 737