Stock-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2013

A summary of the status of our stock options as of December 31, 2013, and changes during the year then ended, is presented below:



	Year Ended December 31, 2013
	Number of Options		Weighted Average Exercise Price		Weighted Average Remaining Contractual Life	Aggregate Intrinsic Value
Outstanding at beginning of year	3,412,777		$	2.01
Granted	1,705,725		3.04
Exercised	(60,000	)	0.84
Cancelled and forfeited	(111,900	)	2.98
Expired	(80,000	)	0.31
Outstanding at end of year	4,866,602		$	2.38	7.1 years	$	1,870,550

Exercisable at end of year	2,265,581		$	1.57	5.2 years	$	1,858,263

A summary of the status of our unvested restricted stock as of December 31, 2013, and changes during the year then ended, is presented below:



	Year Ended December 31, 2013
	Number of Shares		Weighted Average Grant-Date Fair Value
Unvested at beginning of year	1,335,000		$	2.28
Granted	73,500		2.67
Vested	(745,000	)	1.86
Forfeited	(29,250	)	4.23
Expired	—		—
Unvested at end of year	634,250		$	2.73