Borrowing Arrangements (Tables)

6 Months Ended

Jun. 30, 2022

Debt Disclosure [Abstract]

Summary Of Estimated Fair Value Of The 2022 And 2023 Notes Embedded Derivative

The estimated fair value of the 2022 Notes embedded derivative is as follows (in thousands):

	Embedded Derivative Liability
Fair value as of December 31, 2021	$	172
Change in fair value		141
Fair value prior to Closing		313
Payoff of 2022 Notes		(313	)
Fair value as of June 30, 2022	$	—

The estimated fair value of the 2023 Notes embedded derivative is as follows (in thousands):

	Embedded Derivative Liability
Fair value as of December 31, 2021	$	26,017
Change in fair value		3,636
Fair value prior to Closing		29,653
Conversion of 2023 Notes		(29,653	)
Fair value as of June 30, 2022	$	—

Schedule Of Interest Expense

The following table represents the total amount of interest expense recognized on the 2022 Notes and 2023 Notes for the three and six months ended June 30, 2022 and 2021 (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
Contractual interest expense	$	—	$	2,368	$	1,052	$	4,123
Accretion of debt discount		—		2,830		38,757		4,687
Accretion of debt issuance costs		—		82		223		155
Total interest expense	$	—	$	5,280	$	40,032	$	8,965