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Common Shares - Summary Of Option Activity (Details) - USD ($)
$ / shares in Units, $ in Thousands
 9 Months Ended 12 Months Ended
Sep. 30, 2022
Dec. 31, 2021
Dec. 31, 2020
Common Shares      
Number of options, beginning of period (in shares) 1,367,000 1,367,000  
Number of options, end of period (in shares) 1,367,000 1,367,000 1,367,000
Number of options, Exercisable (in shares) 1,367,000    
Weighted average exercise price per option, beginning of period (in dollars per share) $ 0.71 $ 0.71  
Weighted average exercise price per option, end of period (in dollars per share) 0.71 $ 0.71 $ 0.71
Weighted average exercise price, Exercisable (in dollars per share) $ 0.71    
Weighted average remaining contractual term, Outstanding 10 months 20 days 1 year 7 months 20 days 2 years 7 months 17 days
Weighted average remaining contractual term, Exercisable 10 months 20 days    
Aggregate intrinsic value, Outstanding, beginning of period (in dollars) $ 38 $ 507  
Aggregate intrinsic value, Outstanding, end of period (in dollars) 1 $ 38 $ 507
Aggregate intrinsic value, Options, Exercisable $ 1