Convertible Senior Notes (Tables)

6 Months Ended

Jun. 30, 2020

Debt Instrument [Line Items]

Summary of convertible notes outstanding

Liability component:
Principal	$	143,750
Less: unamortized debt discount and issuance costs		(47,704)
Net carrying amount	$	96,046
Equity component, net of issuance costs of $1,773	$	44,777

Schedule of total interest expense recognized related to the convertible notes

	Three months ended June 30,		Six months ended June 30,
	2020		2020
Contractual interest expense	$	933	$	1,436
Amortization of debt discount		1,540		2,359
Amortization of debt issuance costs		122		188
Total interest expense	$	2,595	$	3,983

Convertible senior notes

Debt Instrument [Line Items]

Schedule of principal repayments of debt

As of June 30, 2020, the future minimum payments on the convertible notes were as follows:

Years ended December 31,	Future Minimum Payments
2020	$	1,908
2021		3,773
2022		3,773
2023		3,773
2024		3,773
Thereafter		149,412
Total minimum payments	$	166,412
Less: interest		(22,662)
Less: unamortized debt discount and issuance costs		(47,704)
Convertible senior notes	$	96,046