Convertible Preferred Stock and Stockholders’ Equity (Tables)

6 Months Ended

Jun. 30, 2020

Equity [Abstract]

Summary of Option and Stock Appreciation Rights Activity

A summary of the option and stock appreciation rights activity for the six month period ended June 30, 2020 is as follows:

	Number of Options/SARs			Range of Exercise Price		Weighted Average Exercise Price per Share
Outstanding, December 31, 2019		1,857,599		$	0.74 - $36.20	$	2.22
Granted		897,250		$	3.98 - $5.13	$	4.52
Exercised		(80,785	)	$	0.74 - $2.03	$	1.22
Forfeited		(137,164	)	$	0.74 - $36.20	$	5.86
Outstanding, June 30, 2020		2,536,900		$	0.74 - $35.20	$	2.87

Summary of Restricted Stock Unit Activity

A summary of the restricted stock unit activity for the six month period ended June 30, 2020 is as follows:

	Number of Restricted Stock Units			Weighted Average Grant Date Fair Value per Unit
Outstanding, December 31, 2019		840,712		$	1.28
Granted		210,000		$	5.24
Vested		(116,989	)	$	1.96
Forfeited		(250	)	$	0.78
Outstanding, June 30, 2020		933,473		$	2.08