Notes Payable - Schedule of Long-Term Notes Payable (Details) - USD ($) $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Silicon Valley Bank (“SVB”) Term Loans	$ 5.0
Term Loans unamortized discount and loan issuance costs	(0.4)	$ (0.7)
Total debt, net of discount and loan issuance costs	4.6	9.3
Less current portion, net of discount and loan issuance costs	(4.6)	(9.3)
Total long-term notes payable, net of discount and loan issuance costs	0.0	0.0
SVB Term Loans | Secured Debt
Debt Instrument [Line Items]
Silicon Valley Bank (“SVB”) Term Loans	5.0	$ 10.0
Term Loans unamortized discount and loan issuance costs	$ (0.4)