DEBT (Tables)

12 Months Ended

Dec. 31, 2021

Debt Disclosure [Abstract]

Summary of debt

The following table reflects the Company’s debt as of December 31, 2021 and 2020 (in thousands):

	December 31, 2021		December 31, 2020
13% Senior Secured Note due 2024	$	70,750	$	80,250
Royalty rights obligation	2,743		3,533
2.50% Convertible Notes due 2021	—		335
Total principal amount	73,493		84,118
Unamortized debt discounts	—		(16)
Carrying value	73,493		84,102
Less: current portion of long-term debt	(12,174)		(11,942)
Net, long-term debt	$	61,319	$	72,160

Summary of interest expense

The following table reflects debt related interest included in the Interest expense in the Company’s Consolidated Statements of Comprehensive Income as of December 31, 2021 and 2020 (in thousands):

	Year ended December 31,
	2021		2020
Interest payable on Convertible Notes	$	6	$	1,727
Interest payable on 13% Senior Secured Notes due 2024	10,020		6,870
Interest payable on Senior Notes	—		1,648
Amortization of debt discounts, and royalty rights	194		5,680
Total interest expense	$	10,220	$	15,925