Revenue (Details) $ in Millions	12 Months Ended
	Dec. 31, 2021 USD ($)
Revenue from Contract with Customer [Abstract]
Finalized award amount	$ 39.0
Cash paid	3.9
Funds received	35.1
Grant revenue	1.4
Incurred costs	3.2
Recognize revenue	3.4
Provisions for contract losses	0.5
Amortized cost of revenue	0.1
Accounts receivables	3.9
Unbilled receivables	2.1
Trade receivables	0.9
Contract assets	1.2
Unbilled amounts	1.4
Contract liabilities	0.5
Deferred revenue	5.8
Revenue recognized	$ 5.3