Stock-Based Compensation (Tables)

6 Months Ended

Jun. 30, 2020

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Value Profits Interests Granted

The assumptions used to value profits interests granted during the six months ended June 30, 2020 and 2019 are as follows

	June 30,			June 30,
	2020			2019
Expected term (in years)		6.0			6.0
Risk-free rate		0.36	%		2.43	%
Expected volatility		140.45	%		72.02	%
Expected dividend yield		0	%		0	%

Schedule of Unvested Restricted Stock Activity

A summary of the Company’s unvested restricted stock activity and related information during the six months ended June 30, 2020 is as follows:

Weighted Average
Grant Date
Fair Value
Nonvested, January 1, 2020	2,038,955		2.04
Granted	879		2.34
Vested	(150,379	)	0.57
Forfeited or canceled	(634,491	)	1.83
Nonvested, June 30, 2020	1,254,965		2.33

Schedule of Stock-Based Compensation Activity

The Company has recognized the following compensation cost related to employee and non-employee stock-based compensation activities (in thousands):

	Three Months Ended June 30,				Six Months Ended June 30,
	2020		2019		2020		2019
Research and development	$	31	$	61	$	112	$	175
General and administrative		152		124		318		265
Total	$	183	$	185	$	430	$	440