Long-Term Debt - Additional Information (Details) - USD ($) $ in Millions	1 Months Ended			12 Months Ended
	Apr. 30, 2021	Sep. 30, 2018	Jun. 30, 2018	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2014
Debt Instrument [Line Items]
Loan forgiveness				$ 1.0	$ 0.0	$ 0.0
Interest expense				$ 0.0	$ 0.1	$ 0.1
2018 Assistance Agreement | State of Connecticut
Debt Instrument [Line Items]
Debt instrument face amount		$ 2.0
Percentage of maximum funding on total project costs			50.00%
Debt instrument, interest rate per annum		3.25%
Debt instrument interest payments term		60 months
Debt instrument amortization period (month)		120 months
Debt instrument maturity month and year		2028-09
Loan forgiveness	$ 1.0
Percentage of liquidated damages		7.50%
2018 Assistance Agreement | State of Connecticut | Maximum
Debt Instrument [Line Items]
Debt instrument face amount			$ 2.0
Forgiveness of funding on achieving certain employment conditions		$ 1.0
2014 Assistance Agreement | State of Connecticut
Debt Instrument [Line Items]
Debt instrument face amount							$ 2.5
Percentage of liquidated damages							7.50%