Business Acquisition (Details) $ in Thousands		9 Months Ended
	Sep. 17, 2021 USD ($) engineer	Dec. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)
Business Acquisition [Line Items]
Goodwill		$ 24,510	$ 24,508	$ 0
Goodwill		24,510	$ 24,508	$ 0
VAY AG
Business Acquisition [Line Items]
Purchase price	$ 26,900
Goodwill	24,508	24,510
Acquisition related costs		1,000
Contingent consideration	$ 3,900
Continued employment period	18 months
Number of software engineers | engineer	20
Cash	$ 230	867
Accounts receivable	9	9
Prepaid expenses	15	13
Deferred tax assets	58	59
Developed technology (included in property, plant and equipment)	3,000	3,000
Identifiable assets acquired	3,312	3,948
Accrued liabilities	187	932
Unearned revenue	53	56
Deferred tax liabilities, non-current	591	591
Total liabilities assumed	831	1,579
Net identifiable assets acquired	2,481	2,369
Goodwill	24,508	24,510
Total assets acquired	$ 26,989	26,879
VAY AG | Measurement period adjustments
Business Acquisition [Line Items]
Goodwill		2
Cash		637
Accounts receivable		0
Prepaid expenses		(2)
Deferred tax assets		1
Developed technology (included in property, plant and equipment)		0
Identifiable assets acquired		636
Accrued liabilities		745
Unearned revenue		3
Deferred tax liabilities, non-current		0
Total liabilities assumed		748
Net identifiable assets acquired		(112)
Goodwill		2
Total assets acquired		$ (110)