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CAPITAL STOCK - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)
3 Months Ended
Mar. 31, 2019
Class of Warrant or Right [Line Items]  
Expected volatility 5.90%
Issuance Of One Two Two Four Zero Zero Zero Warrants With Fair Value Of Zero Four Zero Million For June Three Zero Two Zero One Six  
Class of Warrant or Right [Line Items]  
Expected volatility 68.49%