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Debt - 2020 Loan and Security Agreement (Details) - USD ($)	1 Months Ended
	Apr. 30, 2021	Dec. 31, 2020	Oct. 31, 2020
Debt Instrument [Line Items]
Debt amount outstanding		$ 15,000,000
2020 Loan and Security Agreement
Debt Instrument [Line Items]
Debt instrument, face amount			$ 15,000,000
Principal amount of debt repaid	$ 15,000,000

Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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