Goodwill and intangible assets (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2023	Dec. 31, 2022
Total [Member]
Goodwill, net, Beginning Balance		$ 12,672
Goodwill, net, Ending Balance	$ 12,672
Infrastructure [Member]
Goodwill, net, Beginning Balance		11,900
Goodwill, net, Ending Balance	11,900
Telecommunications [Member]
Goodwill, net, Beginning Balance		$ 772
Goodwill, net, Ending Balance	$ 772