Exercise price of the option.

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Footnote 5

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ 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)(iii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)-(ii)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(i)

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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

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-Name Accounting Standards Codification

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-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)(1)

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Note 8 - Stock Compensation Expense (Details) - Summary information for options currently outstanding and exercisable: (USD $)				12 Months Ended												12 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2013 Price Range 5.47 To 5.72 [Member]	Sep. 30, 2013 Price Range 5.47 To 5.72 [Member] Minimum [Member]	Sep. 30, 2013 Price Range 5.47 To 5.72 [Member] Maximum [Member]	Sep. 30, 2013 Price Range 7.09 To 8.60 [Member]	Sep. 30, 2013 Price Range 7.09 To 8.60 [Member] Minimum [Member]	Sep. 30, 2013 Price Range 7.09 To 8.60 [Member] Maximum [Member]	Sep. 30, 2013 Price Range 11.94 To 24.12 [Member]	Sep. 30, 2013 Price Range 11.94 To 24.12 [Member] Minimum [Member]	Sep. 30, 2013 Price Range 11.94 To 24.12 [Member] Maximum [Member]	Sep. 30, 2013 Price Range 31.07 [Member]	Sep. 30, 2013 Price Range 31.07 [Member] Minimum [Member]	Sep. 30, 2013 Price Range 5.47 To 31.07 [Member]	Sep. 30, 2013 Price Range 5.47 To 31.07 [Member] Minimum [Member]	Sep. 30, 2013 Price Range 5.47 To 31.07 [Member] Maximum [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices					$ 5.47	$ 5.72		$ 7.09	$ 8.60		$ 11.94	$ 24.12		$ 31.07		$ 5.47	$ 31.07
Options Outstanding - Number (in Shares)	1,178,416	1,443,837	414,587	874,028			169,388			90,000			45,000		1,178,416
Options Outstanding - Wtd. Avg. Remaining Life (years)				7 years			5 years			3 years			3 years
Options Outstanding - Wtd. Avg. Exercise Price	$ 7.60	$ 8.12	$ 21.41	$ 5.71			$ 7.93			$ 13.55			$ 31.07
Options Outstanding - Aggregate Intrinsic Value (in Dollars)	$ 11,361,537	$ 2,260,688	$ 395,517	$ 9,595,587			$ 1,483,125			$ 282,825					$ 11,361,537
Range of Exercise Prices					$ 5.47	$ 5.72		$ 7.09	$ 8.60		$ 11.94	$ 24.12		$ 31.07		$ 5.47	$ 31.07
Options Exercisable - Number (in Shares)	460,916	300,087	403,337	224,028			101,888			90,000			45,000		460,916
Options Exercisable - Wtd. Avg. Remaining Life (years)				6 years			3 years			3 years			3 years
Options Exercisable - Wtd. Avg. Exercise Price				$ 5.69			$ 7.97			$ 13.55			$ 31.07
Options Exercisable - Aggregate Intrinsic Value (in Dollars)	$ 3,636,312	$ 66,600	$ 395,517	$ 2,465,087			$ 888,400			$ 282,825					$ 3,636,312