Stockholders' Equity and Redeemable Convertible Preferred Stock (Tables)

12 Months Ended

Dec. 31, 2016

Stockholders' Equity Note [Abstract]

Schedule of designated separate series of capital stock

The Company had designated separate series of its capital stock as of December 31, 2016 and December 31, 2015 as summarized below:

	Number of Shares Issued
	and Outstanding as of
	December 31, 2016		December 31, 2015		Par Value		Conversion Ratio
Series "A"		-		-	$	0.0001	N/A
Series "C"		-		-		0.0001	0.05:1
Series “D"		4,725		4,725		0.0001	0.53:1
Series “D-1"		834		834		0.0001	0.53:1
Series “F-1"		-		-		0.0001	0.05:1
Series “H"		-		381,967		0.0001	0.53:1
Series “I”		-		-		0.0001	1.05:1
Series “J”		-		-		0.0001	0.05:1
Series “K”		-		1,240		0.0001	263.16:1

Schedule of warrant activity

A summary of warrant activity for year ended December 31, 2016 is presented below:

	Warrants			Weighted Average Exercise Price		Total Intrinsic Value		Weighted Average Remaining Contractual Life (in years)
Outstanding as of December 31, 2015		2,304,888		$	7.98	$	-		2.83
Exercised		(200,000	)		3.80
Expired		(854,577	)						-
Outstanding as of December 31, 2016		1,250,311		$	9.21				3.91
Exercisable as of December 31, 2016		1,250,311		$	9.21	$	-		3.91

Schedule of fair value of options granted

The fair value of options granted in 2016 and 2015 was estimated using the following assumptions:

	For the Years Ended December 31,
	2016	2015
Exercise price	$1.42 - $1.98	$4.18 - $32.87
Expected stock price volatility	122.4% - 141.3%	117.2% - 130.4%
Risk-free rate of interest	0.96% - 1.15%	0.74% - 1.08%
Term (years)	4.34 - 9.65	1.9 - 3.0

Schedule of option activity

A summary of option activity under the Company’s employee stock option plan for year ended December 31, 2016 is presented below:

	Number of Shares			Weighted Average Exercise Price		Total Intrinsic Value		Weighted Average Remaining Contractual Life (in years)
Outstanding as of December 31, 2015		286,487		$	89.07	$	-		5.0
Employee options granted		23,682			1.89		-		5.2
Employee options expired		(78	)		-
Outstanding as of December 31, 2016		310,091		$	82.25	$	-		4.1
Options vested and expected to vest		310,091		$	82.25	$	-		4.1
Options vested and exercisable		302,199		$	84.35	$	-		4.1

A summary of options that the Company granted to non-employees for the year ended December 31, 2016 is presented below:

	Number of Shares		Weighted Average Exercise Price		Total Intrinsic Value		Weighted Average Remaining Contractual Life (in years)
Outstanding as of December 31, 2015		2,893	$	98.07	$	-		5.4
Non-employee options granted		-		-		-		-
Outstanding as of December 31, 2016		2,893	$	98.07	$	-		4.4
Options vested and expected to vest		2,893	$	98.07	$	-		4.4
Options vested and exercisable		2,893	$	98.07	$	-		4.4

Schedule of restricted stock award activity

A summary of the restricted stock award activity for the year ended December 31, 2016 is as follows:

	Number of Units			Weighted Average Grant Day Fair Value
Nonvested at December 31, 2015		-		$	-
Granted		287,085			1.86
Vested		(287,085	)		1.86
Nonvested at December 31, 2016		-		$	-

Schedule of restricted stock units activity

A summary of the restricted stock award activity for the year ended December 31, 2016 is as follows:

	Number of Units			Weighted Average Grant Day Fair Value
Nonvested at December 31, 2015		-		$	-
Granted		118,512			1.08
Vested		(59,256	)		-
Forfeited		(59,256	)		-
Nonvested at December 31, 2016		-		$	-

Schedule of stock-based compensation

Stock-based compensation expense for the year ended December 31, 2016 and 2015 was comprised of the following ($ in thousands):

	For the Years Ended December 31,
	2016		2015
Employee restricted stock units	$	121	$	-
Employee restricted stock awards		151		132
Employee stock option awards		35		155
Non-employee restricted stock awards		255		84
Total compensation expense	$	562	$	371