Stock-Based Compensation and Similar Arrangements (Tables)

6 Months Ended

Jun. 30, 2020

Share-based Payment Arrangement, Noncash Expense [Abstract]

Disclosure of Stock-based Compensation by Line Item

The following table reflects the amount of stock-based compensation, for share settled grants or awards, recorded in each financial statement line item for the three and six months ended June 30, 2020 and 2019:

	Three months ended June 30,				Six months ended June 30,
	2020		2019		2020		2019
Service expense	$	54	$	161	$	119	$	326
General and administrative expense	675		1,128		1,653		3,066
Total stock-based compensation	$	729	$	1,289	$	1,772	$	3,392

Schedule of Conversions of Stock

The following table summarizes the convertible preferred stock activity in 2020:

	Dollar Value		Share Count
Balance at January 1, 2020	$	77,120	798,788
Conversion to common stock	(572)		(5,666)
Conversion to common stock pursuant to Conversion Agreement	(37,256)		(369,120)
Preferred stock redemption pursuant to Conversion Agreement	(37,256)		(369,120)
Reduction of unamortized issuance cost	3,263		—
Balance at June 30, 2020	$	5,299	54,882