Equity (Tables)

12 Months Ended

Sep. 30, 2012

Equity [Abstract]

Schedule of Stock Options Activity

The following table summarizes stock option activity under the Equity Plans for our fiscal year ended September 30, 2012:

	Number of Shares		Weighted Average Exercise Price	Weighted Average Remaining Contractual Life (in years)	Aggregate Intrinsic Value (*) (in thousands)
Outstanding as of September 30, 2011	2,259,197		$17.76
Granted	61,128		$4.62
Exercised	(17,251	)	$4.79		$	12
Forfeited	(107,572	)	$9.15
Expired	(163,287	)	$19.88
Outstanding as of September 30, 2012	2,032,215		$17.76	5.04
Exercisable as of September 30, 2012	1,675,580		$20.25	4.44	$	316
Vested and expected to vest as of September 30, 2012	1,982,145		$18.06	4.96	$	582

(*) Intrinsic value for stock options represents the “in-the-money” portion or the positive variance between a stock option's exercise price and the underlying stock price. For the fiscal years ended September 30, 2011 and 2010, the intrinsic value of options exercised was $218,000 and $1,000, respectively.

Schedule of Valuation Assumptions

The fair value of each stock option grant was estimated on the date of grant using the Black-Scholes option valuation model, adhering to the straight-line attribution approach using the following weighted-average assumptions, of which the expected term and stock price volatility rate are highly subjective:

	For the Fiscal Years Ended September 30,
	2012			2011			2010
Black-Scholes weighted average assumptions:
Expected dividend rate	—		%	—		%	—		%
Expected stock price volatility rate	101.8		%	99.4		%	97.1		%
Risk-free interest rate	0.8		%	1.4		%	2.4		%
Expected term (in years)	5.4			4.9			4.6
Weighted average grant date fair value per share of stock options granted:	$	3.54		$	4.44		$	3.08

Schedule of Restricted Stock Activity

The following table summarizes the activity related to RSAs and RSUs:

Restricted Stock Activity	Restricted Stock Awards			Restricted Stock Units
	Number of Shares		Weighted Average Grant Date Fair Value	Number of Shares		Weighted Average Grant Date Fair Value
Non-vested as of September 30, 2011	410,650		$5.80	308,048		$6.20
Granted	—		—	841,885		$3.88
Vested	(167,756	)	$5.78	(366,620	)	$4.58
Forfeited	(26,191	)	$5.68	(83,270	)	$4.59
Non-vested as of September 30, 2012	216,703		$5.83	700,043		$4.44

Schedule of Stock-based Compensation Expense - By Award Type

The effect of recording stock-based compensation expense was as follows:

Stock-based Compensation Expense - by award type (in thousands)	For the Fiscal Years Ended September 30,
	2012		2011		2010
Employee stock options	$	2,563	$	5,147	$	8,220
Restricted stock awards and units	3,211		557		—
Employee stock purchase plan	666		600		551
401(k) match in common stock	1,034		935		864
Outside director fees in common stock	282		189		225
Total stock-based compensation expense	$	7,756	$	7,428	$	9,860

Schedule Stock-based Compensation Expense - By Expense Type

Stock-based Compensation Expense - by expense type (in thousands, except per share data)	For the Fiscal Years Ended September 30,
	2012		2011		2010
Cost of revenue	$	1,566	$	1,412	$	2,086
Selling, general, and administrative	3,889		3,927		5,874
Research and development	2,301		2,089		1,900
Total stock-based compensation expense	$	7,756	$	7,428	$	9,860
Net effect on net loss per basic and diluted share	$(0.33)		$(0.32)		$(0.48)

Schedule of Common Stock Reserved for Future Issuances

As of September 30, 2012, we had common stock reserved for the following future issuances:

Future Issuances	Number of Common Stock Shares Available for Future Issuances
Exercise of outstanding stock options	2,032,215
Purchases under the employee stock purchase plan	780,067
Issuance of stock-based awards under the Equity Plans	1,037,927
Exercise of outstanding warrants	750,011
Purchases under the officer and director share purchase plan	94,811
Total reserved	4,695,031