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CAPITAL STOCK - Narrative (Details) $ / shares in Units, $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) $ / shares shares
Share Purchase Warrants Denominated in United States Dollars
Class of Warrant or Right [Line Items]
Fair value of warrants	$ 4,265
March 14, 2019 | Share Purchase Warrants Denominated in United States Dollars
Class of Warrant or Right [Line Items]
Number of warrants outstanding (in shares) | shares	2,515,625
Exercise price of warrants (in dollars per share) | $ / shares	$ 3.20
Fair value of warrants	$ 310
At The Market Sale Of Stock
Class of Warrant or Right [Line Items]
Sale of stock, number of shares issued (in shares) | shares	11,215,955
Sale of stock, consideration received	$ 22,050

X

- Definition

Exercise price per share or per unit of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i)(4))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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+ References

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- Definition

Number of warrants or rights outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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- Definition

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- Definition

Value of preferred stock and warrants for common stock issued.

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