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Segment reporting - Revenues (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment reporting
Revenue	$ 2,211	$ 2,233	$ 4,832	$ 3,672
Recurring - non-capital
Segment reporting
Revenue	1,561	1,460	3,362	2,899
Capital equipment
Segment reporting
Revenue	650	773	1,470	773
Canada
Segment reporting
Revenue	94	872	946	976
Canada | Recurring - non-capital
Segment reporting
Revenue	94	99	376	203
Canada | Capital equipment
Segment reporting
Revenue		773	570	773
USA
Segment reporting
Revenue	1,977	1,101	3,520	2,259
USA | Recurring - non-capital
Segment reporting
Revenue	1,327	1,101	2,620	2,259
USA | Capital equipment
Segment reporting
Revenue	650		900
Germany
Segment reporting
Revenue	140	260	366	437
Germany | Recurring - non-capital
Segment reporting
Revenue	$ 140	$ 260	$ 366	$ 437

X

- Definition

Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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