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Segment reporting (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) segment	Dec. 31, 2022 USD ($)
Revenue
Operating segment | segment	1
Recurring - non-capital	$ 6,806	$ 4,677
Capital equipment	393	2,004
Total revenue	7,199	6,681
Canada
Revenue
Recurring - non-capital	230	504
Capital equipment		986
Total revenue	230	1,490
USA
Revenue
Recurring - non-capital	5,126	3,177
Capital equipment		218
Total revenue	5,126	3,395
Germany
Revenue
Recurring - non-capital	1,450	996
Capital equipment	393	800
Total revenue	$ 1,843	$ 1,796

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The income arising in the course of an entity's ordinary activities. Income is increases in assets, or decreases in liabilities, that result in increases in equity, other than those relating to contributions from holders of equity claims.

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