STOCK-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2013

Stock Option Activity

A summary of stock option activity for the period ended June 30, 2013 is as follows:

	Number of Shares		Option Exercise Price	Weighted Average Exercise Price
Outstanding January 1, 2013	3,186,414
Granted	428,200		$11.27 - $16.08	$	12.07
Exercised	(160,963	)	$5.00 - $14.57	$	8.02
Cancelled	(190,057	)	$5.00 - $16.08	$	11.81
Options Outstanding June 30, 2013	3,263,594

Outstanding Stock Options

As of June 30, 2013, outstanding stock options were as follows:

Exercise Price	Options Outstanding	Intrinsic Value		Options Vested	Intrinsic Value		Weighted Average Remaining Life (Years)
$5.00	94,100	$	776,325	82,700	$	682,275	5.23
$5.50	680,112	5,270,868		594,512	4,607,468		6.32
$6.90 – $7.66	337,884	1,969,591		164,066	956,440		8.58
$7.96 – $8.14	83,399	439,241		38,333	201,890		8.39
$9.17 - $10.98	388,008	1,374,652		271,623	1,005,355		7.67
$11.18 - $11.99	447,742	814,415		117,549	182,805		8.94
$12.28 - $12.97	576,524	323,748		106,121	73,944		9.13
$13.00 - $13.35	227,525	39,431		56,242	9,697		9.49
$14.03 - $14.88	422,050	—		300,079	—		7.71
$16.08	6,250	—		1,566	—		9.75
	3,263,594	$	11,008,271	1,732,791	$	7,719,874

Stock Incentive Plan

2013 Stock Incentive Plan
Total equity available to issue	2,000,000
Total equity outstanding or exercised	638,700
Total equity remaining	1,361,300

Outstanding Unvested Restricted Stock Awards

As of June 30, 2013, outstanding unvested restricted stock awards were as follows:

	Unvested Shares
Outstanding January 1, 2013	452,583
Granted	231,050
Vested	(30,333	)
Cancelled	(35,700	)
Outstanding June 30, 2013	617,600