Convertible Preferred Stock and Stockholder's Equity (Tables)

6 Months Ended

Jun. 30, 2018

Stockholders' Equity Note [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, 2018 is as follows:

	Number of Options/SARs			Range of Exercise Price	Weighted Average Exercise Price per Share
Outstanding, December 31, 2017		413,301		$0.62 - $54.90	$	9.04
Granted		858,500		$0.74 - $0.83	$	0.74
Exercised		-		$         -	$	-
Forfeited		(104,026	)	$0.74 - $54.90	$	10.02
Outstanding, June 30, 2018		1,167,775		$0.62 - $43.90	$	2.85

Summary of Restricted Stock Unit Activity

A summary of the restricted stock unit activity for the six month period ended June 30, 2018 is as follows:

	Number of Restricted Stock Units			Weighted Average Grant Date Fair Value per Unit
Outstanding, December 31, 2017		680,363		$	1.11
Granted		212,000		$	0.84
Vested		(293,912	)	$	1.36
Forfeited		(58,525	)	$	1.12
Outstanding, June 30, 2018		539,926		$	0.87