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Common Shares - Summary Of Restricted Stock Units Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Payment of taxes from withheld shares $ 357 $ 401  
Restricted Stock Units (RSUs) [Member]      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Unvested, Number of units, beginning of period (in shares) 1,998,339 2,467,002 2,467,002
Granted, Number of units (in shares) 759,000   891,000
Cancelled/forfeited, Number of units (in shares) (395,569)   (413,335)
Vested, net of shares withheld, Number of units (in shares) (889,762)   (946,328)
Unvested, Number of units, end of period (in shares) 1,472,008   1,998,339
Outstanding, weighted average fair value, beginning of period (in dollars per share) $ 0.53 $ 0.42 $ 0.42
Granted, Weighted average fair value (in dollars per share) 0.59   0.76
Cancelled/forfeited, Weighted average fair value (in dollars per share) 0.51   0.48
Vested, Weighted average fair value (in dollars per share) 0.49   0.46
Unvested, weighted average fair value, end of period (in dollars per share) $ 0.60   $ 0.53
Payment of taxes from withheld shares $ 357 $ 401