Convertible Notes (Tables) - Convertible Notes

9 Months Ended

Sep. 30, 2020

Convertible Notes

Schedule of Convertible Notes

	September 30,
	2020
Par value of the Convertible Notes	$	201,250
Unamortized debt discounts		(30,226)
Unamortized debt issuance costs		(3,002)
Net carrying value of Convertible Notes	$	168,022

Schedule of interest expense related to the Convertible Notes

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2020			2019			2020			2019
Contractual interest expense	$	503		$	503		$	1,509		$	1,509
Amortization of debt issuance costs		227			213			671			632
Amortization of debt discount		2,235			2,079			6,587			6,127
Total	$	2,965		$	2,795		$	8,767		$	8,268
Effective interest rate of the liability component		7.1	%		7.1	%		7.1	%		7.1	%

Schedule of amortization expense for debt discount and debt issuance costs

	Debt		Debt Issuance
	Discounts		Costs
October 1, 2020―December 31, 2020	$	2,277	$	230
January 1, 2021―December 31, 2021		9,528		955
January 1, 2022―December 31, 2022		10,241		1,015
January 1, 2023―December 31, 2023		8,180		802
	$	30,226	$	3,002