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Convertible Note Arrangement - Conversion of notes (Details)
$ in Thousands, $ in Thousands
 3 Months Ended 12 Months Ended
Apr. 04, 2023
USD ($)
shares
Dec. 31, 2022
USD ($)
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2021
CAD ($)
shares
Subsequent Events        
Principal value of notes converted | $   $ 3,500 $ 5,500  
Number of common shares issued upon conversion of notes   789,103,000 1,240,019,000 1,240,019,000
Interest make-whole payments upon conversion   $ 485   $ 756
Conversion of notes        
Subsequent Events        
Principal value of notes converted | $ $ 500      
Number of common shares issued upon conversion of notes 41,390      
Interest make-whole payments upon conversion | $ $ 90      
Conversion of notes | Common Shares        
Subsequent Events        
Number of common shares issued upon conversion of notes 201,607      
Conversion of notes | Convertible Note        
Subsequent Events        
Number of common shares issued upon conversion of notes 242,997