Quarterly report pursuant to Section 13 or 15(d)

Stock-Based Compensation (Tables)

Stock-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2015

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

A summary of the status of our stock options as of March 31, 2015, and changes during the three-month period then ended, is presented below:



	Three Months Ended March 31, 2015
	Number of Options	Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding at beginning of period	5,345,764	$	2.16
Granted	1,169,100	1.69
Outstanding at end of period	6,514,864	$	2.07	7.7 years	$	877,344

Exercisable at end of period	2,880,199	$	2.31	5.9 years	$	534,643

Schedule of Nonvested Restricted Stock Activity

A summary of the status of our unvested restricted stock as of March 31, 2015, and changes during the three-month period then ended, is presented below:



	Three Months Ended March 31, 2015
	Number of Shares		Weighted Average Grant-Date Fair Value
Unvested at beginning of period	498,250		$	1.91
Granted	332,000		1.73
Vested	(140,000	)	2.28
Forfeited	(18,750	)	1.26
Unvested at end of period	671,500		$	1.76