v3.21.2

Convertible Senior Notes - Schedule of Convertible 2023 Notes (Details) - Convertible Senior Notes Due February 2023 - USD ($) $ in Thousands	Sep. 30, 2021	Jun. 30, 2021	May 31, 2021	Dec. 31, 2020	Nov. 30, 2020
Liability component:
Unamortized debt issuance costs		$ (300)			$ (2,000)
Convertible Debt
Liability component:
Principal	$ 10,909			$ 48,035
Unamortized debt discount	(765)			(4,915)
Unamortized debt issuance costs	(76)			(501)
Net carrying amount	10,068		$ 10,000	42,619	$ 42,900
Convertible Debt | Net carrying amount
Equity component:
Net carrying amount	$ 2,321			$ 10,217

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