Stock-Based Compensation (Tables)

6 Months Ended

Mar. 31, 2014

The following tables summarize information about stock options:

	Unit/Share Number of Options Outstanding			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value
Balance At September 30, 2011		729,096		$	9.03
Granted		1,229,500			4.40
Cancelled		(42,919	)		11.77
Exercised		(4,883	)		5.20
Balance At September 30, 2012		1,910,794			6.10
Granted		1,509,166			2.03
Cancelled		—			—
Exercised		(675	)		3.93
Balance At September 30, 2013		3,419,285		$	4.68
Granted		780,000			13.51
Cancelled		(40,196	)		4.68
Exercised		(342,338	)		6.54
Balance At March 31, 2014		3,816,751		$	5.81		7.5 years	$	38,622,771
Exercisable At March 31, 2014		1,351,974		$	5.91		7.2 years	$	14,710,062

The assumptions used to value stock options are as follows:

	Six months ended March 31,
	2014	2013
Dividend yield	—	—
Risk-free interest rate	1.9% to 2.26%	0.7% to 1.0%
Volatility	69%	69%
Expected life (in years)	5.5 to 6.25	5.5 to 6.25
Weighted average grant date fair value per share of options granted	$9.08	$1.31

The following table summarizes the activity of the Company’s Restricted Stock Units:

	Number of RSUs		Weighted- Average Grant Date Fair Value
Unvested at September 30, 2013		-	$	-
Granted		470,000		14.54
Vested		-		-
Forfeited		-		-
Unvested at March 31, 2014		470,000	$	14.54