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Loan Payable (Details) - Term Loan - USD ($) $ in Millions		3 Months Ended		6 Months Ended
	Feb. 22, 2021	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Short-term Debt [Line Items]
Initial borrowing capacity	$ 40.0
Interest rate	12.00%
Proceeds from short-term borrowings	$ 25.0
Amount no longer available for borrowing	$ 15.0
Debt term	2 years
Unamortized debt discount	$ 15.8
Percentage of debt discount in excess of initial face value	63.00%
Calculated effective interest rate	126.00%	28.20%		28.20%
Interest expense amortization		$ 0.4	$ 0.7	$ 0.9	$ 1.5
Loans payable		9.0		9.0
Accrued interest		0.2		0.2
Unamortized debt discount and issuance costs		0.5		0.5
Long-term debt, due in 2023, (remainder of fiscal year)		6.7		6.7
Long-term debt, due in 2024		$ 2.3		$ 2.3

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