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CAPITAL STOCK - Narrative (Details) $ / shares in Units, $ in Thousands | 9 Months Ended
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Sep. 30, 2020 USD ($) $ / shares shares
At The Market Sale Of Stock |
Class of Warrant or Right [Line Items] |
Sale of stock, number of shares issued (in shares) | 17,660,000
Sale of stock, consideration received | $ | $ 29,500
September 20, 2021 Expiration Date | Share Purchase Warrants Denominated in United States Dollars |
Class of Warrant or Right [Line Items] |
Number of warrants outstanding (in shares) | 4,166,030
Exercise price of warrants (in dollars per share) | $ / shares | $ 2.45

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