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CAPITAL STOCK - Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions (Details)		12 Months Ended
	Mar. 14, 2016	Dec. 31, 2018
Issuance Of Two Five One Five Six Two Five Warrants With Fair Value Of Two Zero Nine Million For March Two Zero One Six
Class of Warrant or Right [Line Items]
Risk-free rate	1.15%
Expected life	3 years
Expected volatility		106.00%
Expected dividend yield	0.00%
Issuance Of Two Five One Five Six Two Five Warrants With Fair Value Of One Six Three Million For June Three Zero Two Zero One Six
Class of Warrant or Right [Line Items]
Expected volatility		24.70%
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]
Risk-free rate		2.63%
Expected life		2 months
Expected volatility		63.70%
Expected dividend yield		0.00%
September 20, 2016 Public Offering
Class of Warrant or Right [Line Items]
Risk-free rate		1.20%
Expected life		5 years
Expected volatility		145.20%
Expected dividend yield		0.00%

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The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the expected term of a nonvested share or option award issued to other than an employee.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (f)(2)(iii)
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Period an equity-based award is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
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-Subparagraph (f)(2)(i)
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The estimated measure of the percentage amount by which a share price is expected to fluctuate during the expected term of a nonvested share or option award issued to other than an employee.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
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