v3.25.4
INCOME TAX - Reconciliation of expected income tax on net income at statutory rates (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Effective income tax rate reconciliation, Percent    
Statutory tax rate 15.00% 15.00%
Domestic state and local income taxes, net of federal income tax effect 0.00% 0.00%
Effective tax rate 0.00% 0.00%
Effective income tax rate reconciliation, Amount    
Tax expense at statutory rate $ (735) $ (2,768)
Tax Jurisdiction of Domicile [Extensible Enumeration] Canada Canada
Canada    
Effective income tax rate reconciliation, Percent    
Changes in valuation allowance (2.90%) 0.20%
Other 0.90% (0.50%)
Effective income tax rate reconciliation, Amount    
Change in valuation allowance $ 142 $ (29)
Other $ (47) $ 95
United States    
Effective income tax rate reconciliation, Percent    
Statutory tax rate difference between United States and Canada 5.20% 5.90%
Nontaxable/nondeductible items (1.50%) 0.00%
Changes in valuation allowance (15.40%) (20.00%)
Other (1.30%) (0.60%)
Effective income tax rate reconciliation, Amount    
Foreign rate differential $ (256) $ (1,080)
Nontaxable/nondeductible items 75 (3)
Change in valuation allowance 755 3,683
Other $ 66 $ 102