Debt (Tables) - Convertible Senior Secured Notes due 2024

3 Months Ended

Mar. 31, 2024

Summary of Outstanding Note Balances

The outstanding 2024 Notes balances as of March 31, 2024 and December 31, 2023 consisted of the following:

(In thousands)	March 31, 2024			December 31, 2023
Liability component:
Principal		207,000		$	207,000
Less: debt discount and debt issuance costs, net		(15,526	)		(20,857	)
Net carrying amount	$	191,474		$	186,143
Equity component	$	18,257		$	18,257
Derivative liability-conversion option	$	—		$	—

Schedule of Interest Expense Recognized Related to the Notes

The following table sets forth total interest expense recognized related to the 2024 Notes for the three-month periods ended March 31, 2023 and 2022:

(In thousands)	Three-month period ended March 31, 2024		Three-month period ended March 31, 2023
Contractual interest expense	$	3,105	$	3,105
Amortization of debt issuance costs		379		317
Amortization of debt discount		4,952		4,148
Total interest expense	$	8,436	$	7,570