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Shareholder's Equity - Issued Share Capital, ATM Program, public equity offering and conversion of notes (Details)
$ / shares in Units, $ in Thousands
 12 Months Ended
Nov. 15, 2022
CAD ($)
shares
Nov. 15, 2022
USD ($)
shares
Sep. 02, 2021
CAD ($)
shares
Sep. 02, 2021
USD ($)
shares
Dec. 31, 2022
CAD ($)
Dec. 31, 2021
CAD ($)
Nov. 15, 2022
$ / shares
Sep. 02, 2021
$ / shares
Share based payments                
Gross proceeds from issuance         $ 3,701,000 $ 666,000    
ATM Program                
Share based payments                
Number of shares issued | shares 720,865 720,865 112,417 112,417        
Price per share | $ / shares             $ 5.13 $ 6.10
Gross proceeds from issuance $ 3,701,000   $ 686,000          
Transaction costs associated with issuance 92,000   $ 21,000          
Interest make-whole payments to Noteholders upon conversion   $ 485            
Transaction costs incurred in relation to conversions $ 0              
ATM Program | 2026 Notes                
Share based payments                
Original amount of debt converted   $ 3,500            
Number of shares issued upon conversion of debt | shares 789,103 789,103            
Public equity offering                
Share based payments                
Number of shares issued | shares     2,119,444 2,119,444        
Price per share | $ / shares               $ 4.50
Gross proceeds from issuance     $ 9,538,000          
Transaction costs associated with issuance     $ 810,000          
Original amount of debt converted       $ 5,500        
Number of shares issued upon conversion of debt | shares     1,240,019 1,240,019        
Interest make-whole payments to Noteholders upon conversion       $ 756        
Transaction costs incurred in relation to conversions     $ 0