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%

Represents number of clients.

No definition available.

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- Definition

For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 42
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-42

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Topic 825
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-Section 50
-Paragraph 21
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-21

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 825
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-Section 50
-Paragraph 20
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-URI https://asc.fasb.org//1943274/2147482907/825-10-50-20

Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-18

Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 20
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482861/275-10-50-20

+ Details

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- Definition

Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 280
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 18
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482810/280-10-50-18

+ Details

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- Definition

Amount of lessee's right to use underlying asset under operating lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479041/842-20-45-1

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- Definition

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.

+ References

No definition available.

+ Details

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