v3.26.1
Equity reserves - Schedule of number, weighted average exercise price and value of RSU, options and warrants (Details)
Share in Thousands, $ in Thousands
 12 Months Ended
Dec. 31, 2025
$ / shares
Dec. 31, 2025
USD ($)
Share
Dec. 31, 2024
$ / shares
Dec. 31, 2024
USD ($)
Share
Number        
Granted | Share   45   1,618
Ending balance | Share   1,635    
Weighted average exercise price        
Granted | $ / shares $ 2.46   $ 2.51  
Ending balance | $ / shares 4.25      
Aggregate Value [Roll Forward]        
Beginning balance   $ 11,853   $ 12,200
Granted   14,141   1,812
Exercised   (204)   (693)
Expired   (7,020)   (544)
Forfeited   (929)   (922)
Ending balance   $ 17,841   $ 11,853
RSUs [Member]        
Number        
Beginning Balance | Share   70   217
Granted | Share   1,888   0
Exercised | Share   (599)   (83)
Expired | Share   0   0
Forfeited | Share   (54)   (64)
Ending balance | Share   1,305   70
Value        
Beginning balance   $ 240   $ 830
Granted   2,004   308
Exercised   (204)   (693)
Expired   0   0
Forfeited   (59)   (205)
Ending balance   $ 1,981   $ 240
Options [Member]        
Number        
Beginning balance | Share   2,144   890
Granted | Share   45   1,618
Exercised | Share   0   0
Expired | Share   (88)   (32)
Forfeited | Share   (466)   (332)
Ending balance | Share   1,635   2,144
Weighted average exercise price        
Beginning balance | $ / shares 4.66   10.08  
Granted | $ / shares 2.46   2.51  
Exercised | $ / shares 0   0  
Expired | $ / shares (6.7)   (30.4)  
Forfeited | $ / shares (5.07)   (6.22)  
Ending balance | $ / shares 4.25   4.66  
Value        
Beginning balance   $ 4,892   $ 4,649
Granted   554   1,504
Exercised   0   0
Expired   (299)   (544)
Forfeited   (870)   (717)
Ending balance   $ 4,277   $ 4,892
Warrants [Member]        
Number        
Beginning Balance | Share   328   328
Granted | Share   20,178   0
Exercised | Share   0   0
Expired | Share   (328)   0
Forfeited | Share   0   0
Ending balance | Share   20,178   328
Weighted average exercise price        
Beginning balance | $ / shares 13   13  
Granted | $ / shares 0.57   0  
Exercised | $ / shares 0   0  
Expired | $ / shares (13)   0  
Forfeited | $ / shares 0   0  
Ending balance | $ / shares $ 0.57   $ 13  
Value        
Beginning balance   $ 6,721   $ 6,721
Granted   11,583   0
Exercised   0   0
Expired   (6,721)   0
Forfeited   0   0
Ending balance   $ 11,583   $ 6,721