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Common Shares - Summary Of Deferred Share Units Activity (Details)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
shares
Feb. 28, 2021
USD ($)
shares
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
$ / shares
shares
Jun. 30, 2021
USD ($)
$ / shares
shares
Dec. 31, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Allocated Share-based Compensation Expense | $     $ 112 $ 163 $ 556 $ 584  
Deferred Stock Units (DSU) [Member]              
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]              
Number of common shares issues for each DSU (at end of board members' team).         1    
Outstanding, Number of units, beginning of period (in shares) | shares         930,000 726,000 726,000
Granted, Number of units (in shares) | shares 324,000 204,000     324,000   204,000
Unvested, Number of units, end of period (in shares) | shares     1,254,000   1,254,000   930,000
Outstanding, weighted average fair value, beginning of period (in dollars per share) | $ / shares         $ 0.68 $ 0.57 $ 0.57
Granted, Weighted average fair value (in dollars per share) | $ / shares         0.84   1.04
Unvested, weighted average fair value, end of period (in dollars per share) | $ / shares     $ 0.72   $ 0.72   $ 0.68
Allocated Share-based Compensation Expense | $ $ 272 $ 212 $ 0 $ 0 $ 272 $ 212