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CAPITAL STOCK - Schedule of Stockholders' Equity Note, Warrants or Rights (Details) - Share Purchase Warrants Denominated in United States Dollars - September 20, 2021 Expiration Date $ / shares in Units, $ in Thousands | 9 Months Ended
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Sep. 30, 2020 USD ($) $ / shares shares
Class of Warrant or Right [Line Items] |
Exercise price of warrants (in dollars per share) | $ / shares | $ 2.45
Number of warrants outstanding (in shares) | shares | 4,166,030
Fair value of warrants | $ | $ 2,499

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