v3.25.4
Income taxes, Valuation allowance on deferred tax assets (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Deferred Income Tax Assets [Member]    
Valuation allowance [Roll Forward]    
Balance, beginning of period $ 8,103 $ 719
Additions charged to income tax provision 561 7,384
Balance, end of period $ 8,664 8,103
Deferred Tax Assets in United States [Member]    
Valuation allowance [Roll Forward]    
Additions charged to income tax provision   $ 7,300