v3.26.1
Redeemable preferred shares (Details)
$ / shares in Units, $ in Thousands, $ in Thousands
 1 Months Ended 6 Months Ended 7 Months Ended 12 Months Ended
Aug. 06, 2025
USD ($)
$ / shares
shares
Aug. 31, 2025
$ / shares
Jun. 30, 2026
Aug. 06, 2025
USD ($)
shares
Dec. 31, 2025
USD ($)
shares
Dec. 31, 2024
Aug. 06, 2025
CAD ($)
Redeemable preferred shares              
Total proceeds from rights offering | $ $ 18,428            
Settlement of related party loans | $ 1,408            
Additional commitment 3,572     $ 3,572     $ 5,000
Total estimated proceeds | $ $ 22,000            
Reverse stock split conversion ratio 0.10   0.1   0.10 0.10  
Conversion ratio 0.01   0.01 0.01 0.01   0.01
Temporary equity shares issued | shares         156,779,796    
Number of shares converted to Common A shares | shares       11,960,583      
Threshold gross proceeds | $ $ 60,000            
Extinguishment of preferred shares (note 12) | $         $ 148    
Rights Offering deemed dividends (note 12) | $         $ 459    
Redemption approval requirement percentage 0.67%            
Minimum              
Redeemable preferred shares              
Threshold gross proceeds | $ $ 60,000            
Unrestricted cash to trigger conversion | $ $ 60,000            
Redemption approval requirement percentage 0.67%            
Class A common Shares              
Redeemable preferred shares              
Number of shares converted to Common A shares | shares 11,960,583       11,960,583    
New Class A              
Redeemable preferred shares              
Conversion ratio   0.01          
Temporary equity shares issued | shares 56,010,259            
Redemption approval requirement percentage   0.667%          
New Class A | Related party              
Redeemable preferred shares              
Temporary equity shares issued | shares 6,136,975            
Class B Series 1 redeemable convertible preferred shares              
Redeemable preferred shares              
Conversion ratio   0.01          
Temporary equity shares issued | shares 11,612,203            
Issue price per share | $ / shares   $ 1.587          
Redemption approval requirement percentage   0.667%          
Class B Series 2 redeemable convertible preferred shares              
Redeemable preferred shares              
Conversion ratio   0.01          
Temporary equity shares issued | shares 12,010,362            
Conversion discount, percentage 25.00%            
Issue price per share | $ / shares   $ 1.1903          
Redemption approval requirement percentage   0.667%          
Class B Series 3 redeemable convertible preferred shares              
Redeemable preferred shares              
Conversion ratio   0.01          
Temporary equity shares issued | shares 95,229,750            
Number of shares issued for each share | shares 12.542            
Issue price per share | $ / shares $ 0.0001 $ 0.00001          
Redemption approval requirement percentage   0.667%          
Class B Series 3 redeemable convertible preferred shares | Related party              
Redeemable preferred shares              
Temporary equity shares issued | shares 50,414,582            
Class F Series 1 redeemable convertible preferred shares              
Redeemable preferred shares              
Convertible preferred shares, exchange ratio 1.225     1.225     1.225
Cumulative dividend accrual percentage 15.00%            
Extinguishment of preferred shares (note 12) | $ $ 137            
Rights Offering deemed dividends (note 12) | $ $ 459