v3.26.1
Stock-based compensation - Stock Options Activity (Details)
$ / shares in Units, $ in Thousands
 7 Months Ended
Dec. 31, 2025
USD ($)
$ / shares
shares
Shares  
Options outstanding, beginning balance (in shares) | shares 1,260,299
Granted (in shares) | shares 376,991
Exercised (in shares) | shares (10,737)
Forfeited (in shares) | shares (31,294)
Expired (in shares) | shares (218,205)
Options outstanding, ending balance (in shares) | shares 1,377,054
Options exercisable (in shares) | shares 525,196
Weighted-average exercise price per share  
Options outstanding, beginning balance (in dollars per share) | $ / shares $ 8.57
Granted (in dollars per share) | $ / shares 6.81
Exercised (in dollars per share) | $ / shares 4.63
Forfeited (in dollars per share) | $ / shares 7.07
Expired (in dollars per share) | $ / shares 10.62
Options outstanding, ending balance (in dollars per share) | $ / shares 7.83
Options exercisable (in dollars per share) | $ / shares $ 9.68
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]  
Weighted average remaining contractual term, options outstanding 5 years 3 months 18 days
Weighted average remaining contractual term, options exercisable 3 years 6 months
Aggregate intrinsic value, options outstanding | $ $ 1,424
Aggregate intrinsic value, options exercisable | $ $ 155