Convertible Notes (Tables)

3 Months Ended

Mar. 31, 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 March 31, 2020 and December 31, 2019.

	Related Party			Others			Total
Balance as of March 31, 2020
Gross proceeds	$	10,000		$	97,000		$	107,000
Unamortized debt discounts and deferred financing offering costs	(1,006		)	(10,940		)	(11,946		)
Net carrying amount	$	8,994		$	86,060		$	95,054
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   March 31, 2020
	Related Party		Others		Total
Accrued coupon interest expense	$	137	$	1,334	$	1,471
Amortization of debt discounts	127		1,238		1,365
Amortization of deferred financing offering costs	3		174		177
Total convertible notes interest expense	$	267	$	2,746	$	3,013

	Three Months Ended   March 31, 2019
	Related Party		Others		Total
Accrued coupon interest expense	$	137	$	1,334	$	1,471
Amortization of debt discounts	113		1,087		1,200
Amortization of deferred financing offering costs	3		154		157
Total convertible notes interest expense	$	253	$	2,575	$	2,828