Stock-Based Compensation (Tables)

3 Months Ended

Nov. 30, 2012

Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]

Schedule of Share Based Compensation Stock Options Activity

A summary of the stock option activity for the three months ended November 30, 2012, is as follows:

	Number of Shares			Weighted Average Exercise Price		Weighted Average Remaining Term (in years)		Aggregate Intrinsic Value
Outstanding Balance, August 31, 2012		1,824,916		$	10.94
Granted		25,000			7.60
Exercised		—			—
Cancelled		(48,191	)		13.92
Outstanding Balance, November 30, 2012		1,801,725			10.82		3.86	$	1,394,000
Options Exercisable at November 30, 2012		1,005,225		$	14.90		2.05	$	50,300

Schedule of Share Based Payment Award Stock Options Valuation Assumptions

The Company estimated the fair value of stock options granted during the first three months of fiscal 2013 using the following weighted-average assumptions and resulting in the following weighted-average grant date fair values:

Expected volatility		67%
Expected life (years)		5.0
Interest rate		0.6-1.0%
Weighted-average fair values	$	4.20

Schedule of Share-Based Compensation, Restricted Stock Award Activity

The following table summarizes the restricted stock award activity for the three months ended November 30, 2012 as follows:

	Number of Shares			Weighted Average Grant Date Fair Value
Nonvested at August 31, 2012		61,716		$	5.94
Granted		—			—
Vested		(29,865	)		6.25
Cancelled		—			—
Nonvested at November 30, 2012		31,851		$	5.65

Schedule of Employee Service Share-Based Compensation, Allocation of Recognized Period Costs

The following table summarizes the total stock-based compensation cost and the effect on the Company’s Condensed Consolidated Statements of Operations (in thousands):

	Three months ended November 30,
	2012		2011
Cost of sales	$	—	$	25
Operating expenses		417		203
Research and development expenses		—		10
Total stock-based compensation expense	$	417	$	238
Income tax benefit		158		90
Total stock-based compensation expense, net of tax	$	259	$	148