v3.26.1
Income taxes - Income Tax Rate Reconciliation - May Through December 2025 (Details) - USD ($)
$ in Thousands
1 Months Ended 7 Months Ended 12 Months Ended
Jun. 30, 2025
Dec. 31, 2025
Dec. 31, 2024
May 25, 2025
May 26, 2024
Amount          
Tax at U.S. statutory rate   $ (3,701)   $ (8,122) $ 1,998
State and local income taxes, net of federal income tax effect   160   (197) 52
Research & development tax credits   (188)      
Changes in federal valuation allowances   2,723   8,541 (5,772)
Nontaxable or nondeductible items   210      
Changes in unrecognized tax benefits   34      
Deferred tax write-offs   664   (748) 711
Return to provision   59   213 3,136
Capital loss expiration   376      
Income tax expense $ 0 $ 337 $ 18 $ 43 $ 183
%          
Tax at U.S. statutory rate   21.00%      
State and local income taxes, net of federal income tax effect   (0.90%)      
Research & development tax credits   1.10%      
Changes in federal valuation allowances   (15.50%)      
Nontaxable or nondeductible items   (1.20%)      
Changes in unrecognized tax benefits   (0.20%)      
Deferred tax write-offs   (3.80%)      
Return to provision   (0.30%)      
Capital loss expiration   (2.10%)      
Income tax expense   (1.90%)