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Intangible assets (Details)
$ in Thousands
 9 Months Ended
Sep. 30, 2022
USD ($)
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period $ 1,576
Balance at end of period 1,132
Customer relationships  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period 1,139
Balance at end of period 832
Technology  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period 408
Balance at end of period 283
Trademarks  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period 29
Balance at end of period 17
Costs  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period 1,993
Effects of foreign exchange (269)
Balance at end of period 1,724
Costs | Customer relationships  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period 1,415
Effects of foreign exchange (191)
Balance at end of period 1,224
Costs | Technology  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period 532
Effects of foreign exchange (72)
Balance at end of period 460
Costs | Trademarks  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period 46
Effects of foreign exchange (6)
Balance at end of period 40
Accumulated depreciation  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period (417)
Amortization 252
Effects of foreign exchange 77
Balance at end of period (592)
Accumulated depreciation | Customer relationships  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period (276)
Amortization 166
Effects of foreign exchange 50
Balance at end of period (392)
Accumulated depreciation | Technology  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period (124)
Amortization 75
Effects of foreign exchange 22
Balance at end of period (177)
Accumulated depreciation | Trademarks  
Reconciliation of changes in intangible assets and goodwill [abstract]  
Balance at beginning of period (17)
Amortization 11
Effects of foreign exchange 5
Balance at end of period $ (23)