Property and equipment, net - Summary (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5,347	$ 3,796
Less: Accumulated depreciation and amortization	(2,935)	(2,383)
Total property and equipment, net	2,412	1,413
Computer and office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	3,761	3,100
Computer software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	218	218
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 1,060	$ 412
Furniture
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years	5 years
Property and equipment, gross	$ 308	$ 66
Minimum | Computer and office equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	1 year	1 year
Minimum | Computer software
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years	3 years
Maximum | Computer and office equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	3 years	3 years
Maximum | Computer software
Property, Plant and Equipment [Line Items]
Estimated Useful Lives	5 years	5 years