v3.26.1
Property and equipment (Details) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Property and equipment    
Property, plant and equipment at beginning of period $ 1,065,000  
Property, plant and equipment at end of period 889,000 $ 1,065,000
Cost    
Property and equipment    
Property, plant and equipment at beginning of period 2,065,000 1,754,000
Additions 311,000 343,000
Disposals (7,000) (8,000)
Effect of foreign exchange rates 21,000 (24,000)
Property, plant and equipment at end of period 2,390,000 2,065,000
Accumulated depreciation    
Property and equipment    
Property, plant and equipment at beginning of period (1,000,000) (608,000)
Disposals 3,000 6,000
Depreciation (494,000) (408,000)
Effect of foreign exchange rates (10,000) 10,000
Property, plant and equipment at end of period (1,501,000) (1,000,000)
Computer hardware    
Property and equipment    
Property, plant and equipment at beginning of period 702,000  
Property, plant and equipment at end of period 621,000 702,000
Computer hardware | Cost    
Property and equipment    
Property, plant and equipment at beginning of period 1,406,000 1,116,000
Additions 303,000 318,000
Disposals   (8,000)
Effect of foreign exchange rates 18,000 (20,000)
Property, plant and equipment at end of period 1,727,000 1,406,000
Computer hardware | Accumulated depreciation    
Property and equipment    
Property, plant and equipment at beginning of period (704,000) (425,000)
Disposals   6,000
Depreciation (391,000) (294,000)
Effect of foreign exchange rates (11,000) 9,000
Property, plant and equipment at end of period (1,106,000) (704,000)
Furniture Fixtures And Office Equipment [member]    
Property and equipment    
Property, plant and equipment at beginning of period 363,000  
Property, plant and equipment at end of period 268,000 363,000
Furniture Fixtures And Office Equipment [member] | Cost    
Property and equipment    
Property, plant and equipment at beginning of period 659,000 638,000
Additions 8,000 25,000
Disposals (7,000)  
Effect of foreign exchange rates 3,000 (4,000)
Property, plant and equipment at end of period 663,000 659,000
Furniture Fixtures And Office Equipment [member] | Accumulated depreciation    
Property and equipment    
Property, plant and equipment at beginning of period (296,000) (183,000)
Disposals 3,000  
Depreciation (103,000) (114,000)
Effect of foreign exchange rates 1,000 1,000
Property, plant and equipment at end of period $ (395,000) $ (296,000)