Income Taxes - Additional Information (Detail) (USD $)	3 Months Ended	9 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Sep. 30, 2013
Income Tax Disclosure [Abstract]
Percentage of net deferred tax assets recognized due to uncertainty	100.00%		100.00%
Goodwill for tax purposes amortization period			15 years
Accruals of interest and penalties	$ 0		$ 0	$ 0
Recognized interest or penalties	$ 0	$ 0

Goodwill for tax purposes amortization period.

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- Definition

Percentage of net deferred tax assets recognized due to uncertainty.

+ References

No definition available.

+ Details

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- Details

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- Definition

The amount of estimated penalties and interest accrued as of the balance sheet date arising from income tax examinations.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

The sum of the amounts of estimated penalties and interest recognized in the period arising from income tax examinations.

+ References

+ Details

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