DEBT (Tables)

12 Months Ended

Dec. 31, 2023

Debt Disclosure [Abstract]

Schedule of Long-Term Debt

The following table reflects the Company’s debt as of December 31, 2023 and 2022 (in thousands):

	December 31,
	2023		2022
6.5% Senior Convertible Notes due 2027	$	40,000	$	70,000
Royalty Rights obligation	—		470
Total principal amount	40,000		70,470
Plus: derivative liability for embedded conversion feature	308		252
Less: unamortized debt issuance costs	(1,794)		(3,849)
Carrying value	38,514		66,873
Less: current portion of long-term debt	—		(470)
Long-term debt, net	$	38,514	$	66,403

Schedule of Carrying Values Convertible Notes

The following table reflects the carrying balance of the 2027 Convertible Notes as of December 31, 2023 and 2022 (in thousands):

	December 31,
	2023		2022
Principal balance	$	40,000	$	70,000
Derivative liability for embedded conversion feature	308		252
Unamortized debt issuance costs	(1,794)		(3,849)
Carrying balance	$	38,514	$	66,403

Schedule of Debt Related Interest

The following table reflects debt-related interest included in Interest expense in the Company’s Consolidated Statements of Comprehensive (Loss) Income as of December 31, 2023 and 2022 (in thousands):

	Year ended December 31,
	2023		2022
Interest on 2027 Convertible Notes	$	2,925	$	1,592
Interest on 2024 Secured Notes	—		6,065
Amortization of Royalty Rights (1)	—		68
Amortization of debt issuance costs	455		236
Total interest expense	$	3,380	$	7,961

(1)As a result of the extinguishment of the Royalty Rights obligation, there will be no additional amortization expense recognized in future periods.