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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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- Definition 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) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 + Details
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- Definition 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. + 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)(i) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 50 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=68057994&loc=d3e25284-112666 + Details
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