v3.26.3
Segment reporting - Assets (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Segment reporting          
Total assets $ 58,154   $ 58,154   $ 77,475
Intangible assets 115   115   138
Property and equipment 430   430   698
Right-of-use assets 2,687   2,687   184
Amortization of intangible assets     23 $ 140 187
Depreciation of property and equipment 126 $ 93 345 $ 311 373
Canada          
Segment reporting          
Total assets 46,007   46,007   63,046
Intangible assets 115   115   138
Property and equipment         41
Right-of-use assets 2,687   2,687   184
Amortization of intangible assets     23   187
Depreciation of property and equipment     43   51
USA          
Segment reporting          
Total assets 7,257   7,257   9,791
Property and equipment 285   285   481
Depreciation of property and equipment     272   322
Germany          
Segment reporting          
Total assets 1,884   1,884   1,243
China          
Segment reporting          
Total assets 100   100   137
Finland          
Segment reporting          
Total assets 2,906   2,906   3,258
Property and equipment $ 145   145   $ 176
Depreciation of property and equipment     $ 30