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Convertible Senior Notes (Tables)

12 Months Ended

Dec. 31, 2021

Schedule of interest expense relating to the Convertible Notes

Interest expense relating to the Convertible Notes in the consolidated statements of operations for the year ended December 31, 2021 are summarized as follows (in thousands):


	Year ended		Year ended
	December 31,		December 31,
	2021		2020
Contractual interest expense	$	7,906	$	4,370
Amortization of debt discount		-		5,610
Amortization of debt issuance costs		1,373		364
Total interest expense	$	9,279	$	10,344

Schedule of convertible senior notes

As of December 31, 2021, the convertible senior notes on the consolidated balance sheets represented the carrying amount of the liability component of the Convertible Notes, net of unamortized debt issuance costs, which are summarized as follows (in thousands):



	Year ended		Year ended
	December 31,		December 31,
	2021		2020
Convertible Notes	$	287,500		287,500
Less: Unamortized debt discount		-		(92,102)
Less: Unamortized debt issuance costs		(7,474)		(5,982)
Carrying amount of Convertible Notes	$	280,026		189,416