Intangible assets and goodwill (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Intangible assets, cost	$ 28,938		$ 28,938		$ 28,022
Accumulated amortization	(8,139)		(8,139)		(6,872)
Total	20,799		20,799		21,150
Operating Expenses
Finite-Lived Intangible Assets [Line Items]
Amortization expense	649	$ 521	1,267	$ 1,041
Cost of goods sold
Finite-Lived Intangible Assets [Line Items]
Amortization expense	0	$ 33	0	$ 66
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Intangible assets, cost	11,800		11,800		11,800
Accumulated amortization	(2,954)		(2,954)		(2,561)
Total	8,846		$ 8,846		$ 9,239
Useful life (in years)			15 years		15 years
Developed technology
Finite-Lived Intangible Assets [Line Items]
Intangible assets, cost	8,300		$ 8,300		$ 8,300
Accumulated amortization	(2,598)		(2,598)		(2,252)
Total	5,702		$ 5,702		$ 6,048
Useful life (in years)			12 years		12 years
Licenses
Finite-Lived Intangible Assets [Line Items]
Intangible assets, cost	213		$ 213		$ 63
Accumulated amortization	(27)		(27)		(25)
Total	186		$ 186		$ 38
Useful life (in years)			15 years		15 years
Trade names and trademarks
Finite-Lived Intangible Assets [Line Items]
Intangible assets, cost	6,300		$ 6,300		$ 6,300
Accumulated amortization	(2,136)		(2,136)		(1,722)
Total	4,164		$ 4,164		$ 4,578
Useful life (in years)			12 years		12 years
Capitalized software
Finite-Lived Intangible Assets [Line Items]
Intangible assets, cost	2,025		$ 2,025		$ 1,259
Accumulated amortization	(142)		(142)		(68)
Total	1,883		$ 1,883		$ 1,191
Useful life (in years)			5 years		5 years
Non-compete agreements
Finite-Lived Intangible Assets [Line Items]
Intangible assets, cost	300		$ 300		$ 300
Accumulated amortization	(282)		(282)		(244)
Total	$ 18		$ 18		$ 56
Useful life (in years)			4 years		4 years