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Stockholders' Equity (Tables)

11 Months Ended

Sep. 30, 2012

Stockholders' Equity [Abstract]

Summary of warrant activity

		Number of warrants				Weighted-average exercise price
Oustanding and exercisable at September 30, 2011			132,189			$	0.91
Issued			—
Exercised			(125,522	)		$	0.91
Expired			—
Oustanding and exercisable at September 30, 2012			6,667			$	0.91

The fair value calculations for stock-based compensation awards to employees

		2012		2011
Risk-free interest rate		0.35% - 1.06%		0.26% - 2.26%
Expected life (years)		5		5.5
Expected volatility		110%		193%
Expected dividends		None		None

Stock-based compensation expense related to stock options and restricted stock unit awards

		2012				2011
Sales and marketing		$	471,716			$	235,710
Research and development			592,249				290,239
General and administrative			1,535,893				745,289
Stock-based compensation expense included in operating expenses		$	2,599,858			$	1,271,238

Summary of vested and unvested options, weighted average exercise price per share, weighted average remaining term and aggregate intrinsic value

		Number of Shares				Weighted Average Exercise Price Per Share				Weighted Average Remaining Contractual Life (in Years)				Aggregate Intrinsic Value
Vested			2,074,410			$	1.44				4.72			$	4,322,186
Unvested			1,437,876			$	6.20				8.97				440,698
Total			3,512,286			$	3.39				6.46			$	4,762,884

Stock option activity under the Company's equity plans

		Number of Shares				Weighted Average Exercise Price Per Share				Weighted Average Remaining Contractual Term (in Years)
Outstanding, September 30, 2010			4,534,328			$	0.66				6.21
Granted			976,531			$	3.70
Exercised			(942,639	)		$	0.53
Cancelled			(14,316	)		$	0.57
Outstanding, September 30, 2011			4,553,904			$	1.34				6.15
Granted			1,095,750			$	8.54
Exercised			(1,812,215	)		$	0.81
Cancelled			(325,153	)		$	6.41
Outstanding, September 30, 2012			3,512,286			$	3.39				6.46

Significant ranges of outstanding and exercisable options

The following table summarizes significant ranges of outstanding and exercisable options as of September 30, 2012:

Range of Exercise Prices		Number of Options Outstanding				Weighted Average Remaining Contractual Life (in Years)				Weighted Average Exercise Price				Number of Exercisable Options				Weighted Average Exercise Price of Exercisable Options				Number of Unvested Options
$0.09 to $0.70			358,840				5.27				$0.33				358,840				$0.33				—
$0.79 to $0.82			787,319				5.43				$0.80				695,145				$0.80				92,174
$1.06 to $2.32			729,302				2.56				$1.21				729,302				$1.21				—
$2.60 to $5.90			948,575				8.76				$3.34				199,448				$2.74				749,127
$6.39 to $11.68			688,250				9.22				$10.30				91,675				$9.54				596,575
			3,512,286				6.46				$3.39				2,074,410				$1.44				1,437,876

Number of stock options outstanding under prior plans

2000 Stock Option Plan			317,812
2002 Stock Option Plan			255,663
2006 Stock Option Plan			405,490
2010 Stock Option Plan			1,410,321
Total stock options outstanding under the Prior Plans			2,389,286

Restricted stock units activity under Company's plan

		Number of Shares				Weighted Average Fair Market Value Per Share
Outstanding, September 30, 2010			—				—
Granted			300,000			$	5.12
Settled			—				—
Cancelled			—				—
Outstanding, September 30, 2011			300,000			$	5.12
Granted			255,835			$	8.44
Settled			—				—
Cancelled			(40,001	)		$	11.05
Outstanding, September 30, 2012			515,834			$	6.30

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