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Segment reporting and concentrations - Additional information (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 USD ($) customer segment | Dec. 31, 2022 USD ($) customer client
Segment reporting and concentrations |  |
Number of reporting segments | segment | 3 |
Right-of-use-asset, net | $ | $ 5,054 | $ 4,309
Sales revenue, net | Customer concentration risk | Non-US |  |
Segment reporting and concentrations |  |
Concentration risk, percentage | 37.00% | 38.00%
Foreign customer | Accounts receivable | Customer concentration risk |  |
Segment reporting and concentrations |  |
Concentration risk, percentage | 31.00% | 44.00%
One customer | Sales revenue, net | Customer concentration risk |  |
Segment reporting and concentrations |  |
Number of clients | 1 |
Concentration risk, percentage | 10.00% |
Two customer | Sales revenue, net | Customer concentration risk |  |
Segment reporting and concentrations |  |
Concentration risk, percentage |  | 11.00%
Three customer | Accounts receivable | Customer concentration risk |  |
Segment reporting and concentrations |  |
Number of clients | 3 |
Concentration risk, percentage | 53.00% |
Four customer | Accounts receivable | Customer concentration risk |  |
Segment reporting and concentrations |  |
Number of clients | client |  | 4
Concentration risk, percentage |  | 45.00%
Customer | Sales revenue, net | Customer concentration risk | United States |  |
Segment reporting and concentrations |  |
Number of clients | 0 |
Customer | Accounts receivable | Customer concentration risk |  |
Segment reporting and concentrations |  |
Number of clients | 0 | 0
Customer | Minimum | Sales revenue, net | Customer concentration risk |  |
Segment reporting and concentrations |  |
Concentration risk, percentage | 10.00% |
Customer | Minimum | Accounts receivable | Customer concentration risk |  |
Segment reporting and concentrations |  |
Concentration risk, percentage | 10.00% | 10.00%

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