Agreed-upon price for the exchange of the underlying asset relating to the share-based payment award.

No definition available.

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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)

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-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(c), d(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

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.

+ 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)

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-Name Statement of Financial Accounting Standard (FAS)

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- Definition

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.

+ References

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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- Definition

The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock 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)(iv)(3)

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-Publisher FASB

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-Paragraph A240

-Subparagraph b(1)(f)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Gross number of share options (or share units) granted during the period.

+ References

No definition available.

+ Details

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- Definition

The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

+ References

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(1)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

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

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

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- Definition

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.

+ References

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- Definition

Weighted average price at which option holders acquired shares when converting their stock options into shares.

+ References

No definition available.

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- Definition

Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.

+ References

No definition available.

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- Definition

Weighted average price at which grantees can acquire the shares reserved for issuance on stock options awarded.

+ References

No definition available.

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- Definition

Number of share options (or share units) exercised during the current period.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.28,29)

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-Name Regulation S-X (SX)

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-URI http://asc.fasb.org/extlink&oid=6959260&loc=d3e187085-122770

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Stockholders' Equity (Details 1) (USD $)	12 Months Ended
Stockholders' Equity (Details 1) (USD $)	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2010
Balance,Options Outstanding	1,283,997	1,855,501
Vested and exercisable,Options Outstanding	942,622
Granted,Options Outstanding	43,960
Exercised,Options Outstanding	138,373	532,750
Cancelled,Options Outstanding	(395,101)
Balance,Options Outstanding	794,483	1,283,997	1,855,501
Vested and exercisable,Options Outstanding	794,483	942,622
Balance,Weighted Average Exercise Price per Share	$ 3.10	$ 2.88
Vested and exercisable,Weighted Average Exercise Price per Share	$ 2.73
Granted,Weighted Average Exercise Price per Share	$ 3.03
Exercised,Weighted Average Exercise Price per Share	$ 1.58
Cancelled,Weighted Average Exercise Price per Share	$ 3.14
Balance,Weighted Average Exercise Price per Share	$ 3.34	$ 3.10	$ 2.88
Vested and exercisable,Weighted Average Exercise Price per Share	$ 3.34	$ 2.73
Balance,Weighted Average Remain Contractual Term (In Years)	1 year 9 months	2 years 2 months 19 days	2 years
Vested and exercisable, Weighted Average Remain Contractual Term (in Years)	1 year 9 months	1 year 11 months 23 days
Option One [Member]
Balance,Options Outstanding	200,000
Vested and exercisable,Options Outstanding	200,000
Balance,Weighted Average Exercise Price per Share	$ 2.00
Vested and exercisable,Weighted Average Exercise Price per Share	$ 2.00
Balance,Weighted Average Remain Contractual Term (In Years)	1 year 10 months 2 days
Option Two [Member]
Balance,Options Outstanding	259,681
Vested and exercisable,Options Outstanding	259,681
Balance,Weighted Average Exercise Price per Share	$ 3.24
Vested and exercisable,Weighted Average Exercise Price per Share	$ 3.24
Balance,Weighted Average Remain Contractual Term (In Years)	1 year 5 months 9 days
Option Three [Member]
Balance,Options Outstanding	295,000
Vested and exercisable,Options Outstanding	295,000
Balance,Weighted Average Exercise Price per Share	$ 4.00
Vested and exercisable,Weighted Average Exercise Price per Share	$ 4.00
Balance,Weighted Average Remain Contractual Term (In Years)	1 year 10 months 28 days
Option Four [Member]
Balance,Options Outstanding	29,528
Vested and exercisable,Options Outstanding	29,528
Balance,Weighted Average Exercise Price per Share	$ 5.53
Vested and exercisable,Weighted Average Exercise Price per Share	$ 5.53
Balance,Weighted Average Remain Contractual Term (In Years)	2 years 0 months 11 days
Option Five [Member]
Balance,Options Outstanding	10,274
Vested and exercisable,Options Outstanding	10,274
Balance,Weighted Average Exercise Price per Share	$ 6.65
Vested and exercisable,Weighted Average Exercise Price per Share	$ 6.65
Balance,Weighted Average Remain Contractual Term (In Years)	2 years 2 months 1 day
Maximum [Member]
Range of Exercise Prices	$ 6.65
Maximum [Member] \| Option One [Member]
Range of Exercise Prices	$ 2.99
Maximum [Member] \| Option Two [Member]
Range of Exercise Prices	$ 3.99
Maximum [Member] \| Option Three [Member]
Range of Exercise Prices	$ 4.99
Maximum [Member] \| Option Four [Member]
Range of Exercise Prices	$ 5.99
Maximum [Member] \| Option Five [Member]
Range of Exercise Prices	$ 6.65
Minimum [Member]
Range of Exercise Prices	$ 2.00
Minimum [Member] \| Option One [Member]
Range of Exercise Prices	$ 2.00
Minimum [Member] \| Option Two [Member]
Range of Exercise Prices	$ 3.00
Minimum [Member] \| Option Three [Member]
Range of Exercise Prices	$ 4.00
Minimum [Member] \| Option Four [Member]
Range of Exercise Prices	$ 5.00
Minimum [Member] \| Option Five [Member]
Range of Exercise Prices	$ 6.00