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Consolidated Statements of Equity - CAD ($)
shares in Thousands, $ in Thousands
Total
Number of Common Shares
Share option and warrant reserve
Accumulated other comprehensive loss
Retained Earnings (Accumulated Deficit)
Balance, shares at Dec. 31, 2020   117,823,857      
Balance, amount at Dec. 31, 2020 $ 166,272 $ 294,710 $ 11,521 $ 0 $ (139,959)
Statement [Line Items]          
Comprehensive loss for the year (16,790) $ 0 0 0 (16,790)
Shares issued pursuant to the purchase of a royalty, net of share issue costs, shares   328,767      
Shares issued pursuant to the purchase of a royalty, net of share issue costs, amount 290 $ 290 0 0 0
Shares issued pursuant to private placement, net of share issue costs, shares   7,461,450      
Shares issued pursuant to private placement, net of share issue costs, amount 5,385 $ 5,385 0 0 0
Share options exercised, shares   5,834      
Share options exercised, amount 5 $ 6 (1) 0 0
Warrants exercised, shares   101,042      
Warrants exercised, amount 147 $ 159 (12) 0 0
Fair value of warrants issued 0 (5,086) 5,086 0 0
Share-based compensation 2,046 0 2,046 0 0
Balance, amount at Dec. 31, 2021 157,355 $ 295,464 18,640 0 (156,749)
Balance, shares at Dec. 31, 2021   125,720,950      
Statement [Line Items]          
Comprehensive loss for the year 24,905 $ 0 0 (3) 24,908
Share-based compensation 1,669 $ 0 1,669 0 0
Shares issued pursuant to offering, net of share issue costs (note 15b(i)), shares   13,750,000      
Shares issued pursuant to offering, net of share issue costs (note 15b(i)), amount 10,864 $ 10,864 0 0 0
Balance, amount at Dec. 31, 2022 $ 194,793 $ 306,328 $ 20,309 $ (3) $ (131,841)
Balance, shares at Dec. 31, 2022   139,470,950