Stockholders' Equity (Tables)

3 Months Ended

Mar. 31, 2015

Stockholders' Equity [Abstract]

Summary of Stock Option Activity

The following table represents the stock option activity for the three months ended March 31, 2015:

	Number of Shares			Weighted Average Exercise Price per Share		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding options at December 31, 2014		3,516,037		$	3.16		6.28	$	3
Granted		430,000		$	1.85
Exercised		---			---
Forfeited		(235,292	)	$	3.17
Outstanding options at March 31, 2015		3,710,745		$	3.01		6.61	$	0
Options vested and expected to vest		3,532,586		$	3.03		6.48	$	0
Exercisable at March 31, 2015		1,642,453		$	3.63		3.78	$	0

Summary of Restricted Stock Units Activity

The following table represents RSU activity for the three months ended March 31, 2015:

	Number of Shares			Weighted Average Grant-Date Fair Value per Share		Weighted Average Remaining Contractual Term (in years)		Aggregate Intrinsic Value (in thousands)
Outstanding RSUs at December 31, 2014		1,463,834		$	3.51		1.56	$	3,067
Awarded		116,950		$	1.86
Released		(80,445	)	$	3.27
Forfeited		(130,308	)	$	3.43
Outstanding RSUs at March 31, 2015		1,370,031			3.40		1.45	$	2,137