Stockholders' Equity (Tables)

12 Months Ended

Dec. 31, 2013

Stock option activity for the years ended December 31, 2013, 2012 and 2011 is as follows:


	Number of Shares			Weighted Average Exercise Price Per Share		Aggregate Intrinsic Value
Outstanding at January 1, 2011		4,311,539		$	3.65
Granted in 2011:
Officers and Directors		209,619		$	3.44
Others		238,918			3.41
Exercised		(129,888	)		2.69
Forfeitures		(76,937	)		3.09

Outstanding at December 31, 2011		4,553,251		$	3.66	$	—


Granted in 2012:
Officers and Directors		281,174		$	2.36
Others		485,540			2.80
Exercised		(789,305	)		2.60
Forfeitures		(250,741	)		3.26

Outstanding at December 31, 2012		4,279,919		$	3.70	$	4,572,205


Granted in 2013:
Officers and Directors		55,659		$	5.39
Others		223,135			4.47
Exercised		(115,667	)		3.25
Forfeitures		(250,119	)		2.89

Outstanding at December 31, 2013		4,192,927		$	3.82	$	9,145,780

Summary of Stock Options Outstanding

Options outstanding at December 31, 2013 are as follows:


Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$1.00 – 5.00		3,230,768		5.48	$	3.10
$5.01 – 10.00		962,159		4.02	$	6.25

		4,192,927					$	9,145,780

Summary of Stock Options Exercisable

Options exercisable at December 31, 2013 are as follows:


Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$1.00 – 5.00		2,671,959		4.78	$	3.03
$5.01 – 10.00		906,500		3.66	$	6.30

		3,578,459					$	7,759,365

Summary of Non-Vested Stock Options

Nonvested stock options as of December 31, 2013, and changes during the year then ended, are as follows:


Nonvested Shares	Shares			Weighted Average Grant Date Fair Value		Intrinsic Value
Nonvested at January 1, 2013		854,640
Granted		278,794
Vested		(342,538	)
Forfeited		(176,428	)

Nonvested at December 31, 2013		614,468		$	2.59	$	1,386,415

Summary of Warrants Outstanding to Purchase Common Stock

Warrants outstanding and exercisable at December 31, 2013 are as follows:


Range of Exercise Prices	Number Outstanding		Weighted Average Remaining Contractual Life (Years)		Weighted Average Exercise Price		Aggregate Intrinsic Value
$0.00 – 5.00		2,356,792		1.44	$	3.92	$	4,640,492

- Definition

Tabular disclosure of warrants or rights issued. Warrants and rights outstanding are derivative securities that give the holder the right to purchase securities (usually equity) from the issuer at a specific price within a certain time frame. Warrants are often included in a new debt issue to entice investors by a higher return potential. The main difference between warrants and call options is that warrants are issued and guaranteed by the company, whereas options are exchange instruments and are not issued by the company. Also, the lifetime of a warrant is often measured in years, while the lifetime of a typical option is measured in months. Disclose the title of issue of securities called for by warrants and rights outstanding, the aggregate amount of securities called for by warrants and rights outstanding, the date from which the warrants or rights are exercisable, and the price at which the warrant or right is exercisable.

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