CONVERTIBLE NOTES AND CREDIT FACILITY (Tables)

3 Months Ended

Mar. 31, 2021

Debt Disclosure [Abstract]

Convertible Debt

	March 31, 2021		December 31, 2020
Principal amount of the Notes	$	86,250	$	86,250
Unamortized debt discount	(2,529)		(37,791)
Net carrying amount	$	83,721	$	48,459

Interest Income and Interest Expense Disclosure

Interest expense related to the Notes is comprised of the amortization of the debt discount and debt issuance costs and the contractual coupon interest as follows (in thousands):

	Three Months Ended March 31,
	2021		2020
Interest expense related to contractual coupon interest	$	809	$	809
Interest expense related to amortization of the debt discount	102		1,524
	$	911	$	2,333