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Net Loss Per Share - Additional Information (Detail) (Restricted Stock Units (RSUs) [Member], Stock Options [Member])	3 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Restricted Stock Units (RSUs) [Member] | Stock Options [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive securities excluded from earnings per share calculation	0	0

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- Definition

Antidilutive Securities Included In Computation Of Earnings Per Share Amount

+ References

No definition available.

+ Details

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- Details

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