Stockholders' Equity and Redeemable Convertible Preferred Stock (Tables)

6 Months Ended

Jun. 30, 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 June 30, 2016 and December 31, 2015 as summarized below:

	Number of Shares Issued
	and Outstanding as of
	June 30, 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 the six months ended June 30, 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		(853,179	)						-
Outstanding as of June 30, 2016		1,251,709		$	10.15				4.42
Exercisable as of June 30, 2016		1,251,709		$	10.15	$	-		4.42

Schedule of option activity

A summary of option activity under the Company’s employee stock option plan for the six months ended June 30, 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		19,735		1.98		7,894		4.8
Outstanding as of June 30, 2016		306,222	$	83.46	$	7,894		4.6
Options vested and expected to vest		306,222	$	83.46	$	7,894		4.6
Options vested and exercisable		294,384	$	86.72	$	3,948		4.6

A summary of option activity under the Company’s non-employee stock option plan for the six months ended June 30, 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 June 30, 2016		2,893	$	98.07	$	-		4.9
Options vested and expected to vest		2,893	$	98.07	$	-		4.9
Options vested and exercisable		2,893	$	98.07	$	-		4.9

Schedule of restricted stock award activity

A summary of the restricted stock award activity for the six months ended June 30, 2016 is as follows:

	Number of Units			Weighted Average Grant Day Fair Value
Nonvested at December 31, 2015		-		$	-
Granted		164,113			2.20
Vested		(164,113	)		2.20
Nonvested at June 30, 2016		-		$	-

Schedule of restricted stock units activity

A summary of the restricted stock award activity for the six months ended June 30, 2016 is as follows:

	Number of Units		Weighted Average Grant Day Fair Value
Nonvested at December 31, 2015		-	$	-
Granted		118,512		2.20
Vested		-		-
Nonvested at June 30, 2016		118,512	$	2.20

Schedule of stock-based compensation

Stock-based compensation for the six months ended June 30, 2016 and 2015 was comprised of the following ($ in thousands):

	For the Three Months Ended June 30,				For the Six Months Ended June 30,
	2016		2015		2016		2015
Employee restricted stock awards	$	-	$	-	$	-	$	11
Employee restricted stock units		23		-		23		-
Employee stock option awards		19		14		21		90
Non-employee restricted stock awards		125		33		255		33
Total compensation expense	$	167	$	47	$	299	$	134