Stock-Based Compensation (Tables)

9 Months Ended

Jun. 30, 2014

The following tables summarize information about stock options:

	Number of Options Outstanding			Weighted- Average Exercise Price Per Share		Weighted- Average Remaining Contractual Term		Aggregate Intrinsic Value
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		930,000		$	14.05
Cancelled		(148,561	)	$	5.88
Exercised		(377,112	)	$	6.28
Balance At June 30, 2014		3,823,612		$	6.75		8.3 years	$	30,271,011
Exercisable At June 30, 2014		1,532,180		$	5.80		7.3 years	$	13,666,712

The assumptions used to value stock options are as follows:

	Nine months ended June 30,
	2014	2013
Dividend yield	—	—
Risk-free interest rate	1.8% to 2.5%	0.7% to 1.3%
Volatility	69%	69%
Expected life (in years)	6.25 to 9.72	5.5 to 6.25
Weighted average grant date fair value per share of options granted	$8.92	$1.26

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 June 30, 2014		470,000	$	14.54