LONG-TERM DEBT - Interest Expense (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
LONG-TERM DEBT
Interest expense	$ 1,668	$ 1,969
Amortization of Deferred Financing Costs	165	165
Amortization of Discount on Convertible Notes	69	310
Total Interest Expense	1,902	2,444
Total Interest Paid	$ 1,087	$ 1,395