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The Incentive Stock Plans (Tables)

12 Months Ended

Sep. 30, 2013

Text Block [Abstract]

Incentive Stock Plans Option Activity

The following table summarizes option activity from September 30, 2012 through September 30, 2013:

		Shares Available for Grant				Options Outstanding				Aggregate Intrinsic Value (in thousands)				Weighted Average Exercise Price				Weighted Average Remaining Contractual Life
Balance at September 30, 2012			1,062,448				2,507,685			$	4,588			$	9.86				6.5
Options authorized			1,000,000				—								—
Options granted			(572,250	)			572,250							$	7.62
Options cancelled/forfeited/expired			273,897				(273,897	)						$	11.23
Restricted stock awards forfeited			23,442				—								—
Options exercised			—				(504,400	)						$	5.34
Balance at September 30, 2013			1,787,537				2,301,638			$	10,419			$	10.13				6.5
Exercisable at September 30, 2013							1,795,321			$	7,934			$	10.93				5.9

Weighted Average Assumptions of Incentive Stock Plans

The following are the weighted-average assumptions used for the fiscal years ended September 30,

		2011		2012		2013
Dividend yield		0.0%		0.0%		0.0%
Risk-free interest rate		1.3%		0.8%		0.6%
Volatility		94.9%		89.9%		80.1%
Expected life		4.4 years		4.5 years		4.3 years

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- Definition

Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)

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- Definition

Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (f)(2)

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