Convertible Notes (Tables)

9 Months Ended

Sep. 30, 2020

Debt Disclosure [Abstract]

Convertible Debt

The following table summarizes how the issuance of the Convertible Notes is reflected in the Company's Consolidated Balance Sheets as of September 30, 2020 and December 31, 2019.

	Related Party		Others		Total
Balance as of September 30, 2020
Gross proceeds	$	10,000	$	97,000	$	107,000
Unamortized debt discounts and deferred financing offering costs	(732)		(7,977)		(8,709)
Net carrying amount	$	9,268	$	89,023	$	98,291
Balance as of December 31, 2019
Gross proceeds	$	10,000	$	97,000	$	107,000
Unamortized debt discounts and deferred financing offering costs	(1,136)		(12,352)		(13,488)
Net carrying amount	$	8,864	$	84,648	$	93,512

Schedule of Interest Expense

The following tables set forth the Company's interest expense recognized in the Company's Consolidated Statements of Operations:

	Three Months Ended September 30, 2020						Nine Months Ended September 30, 2020
	Related Party		Others		Total		Related Party		Others		Total
Accrued coupon interest expense	$	138	$	1,333	$	1,471	$	412	$	4,001	$	4,413
Amortization of debt discounts	135		1,318		1,453		393		3,834		4,227
Amortization of deferred financing offering costs	4		187		191		11		541		552
Total convertible notes interest expense	$	277	$	2,838	$	3,115	$	816	$	8,376	$	9,192

	Three Months Ended September 30, 2019						Nine Months Ended September 30, 2019
	Related Party		Others		Total		Related Party		Others		Total
Accrued coupon interest expense	$	137	$	1,334	$	1,471	$	411	$	4,002	$	4,413
Amortization of debt discounts	120		1,160		1,280		350		3,372		3,722
Amortization of deferred financing offering costs	3		163		166		9		476		485
Total convertible notes interest expense	$	260	$	2,657	$	2,917	$	770	$	7,850	$	8,620