Revenues - Disaggregation by timing of recognition (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Revenues
Total revenue	$ 57,775	$ 56,314	$ 43,633
Services transferred over time
Revenues
Total revenue	5,453	4,590	3,217
Goods transferred at a point in time
Revenues
Total revenue	$ 52,322	$ 51,724	$ 40,416

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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