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CAPITAL STOCK - Narrative (Details)
$ / shares in Units, $ in Thousands
6 Months Ended
Jun. 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) 7,948,363
Sale of stock, consideration received | $ $ 13,020
September 20, 2021 | 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