Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies and Estimates (Property and Equipment) - Additional Information (Detail)

v2.4.1.9
Significant Accounting Policies and Estimates (Property and Equipment) - Additional Information (Detail) (USD $)
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Property, Plant and Equipment [Line Items]    
Asset impairment charges $ 0us-gaap_AssetImpairmentCharges $ 0us-gaap_AssetImpairmentCharges
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Useful life of property and equipment 5 years  
Office Equipment Furniture and Fixtures [Member] | Minimum [Member]    
Property, Plant and Equipment [Line Items]    
Useful life of property and equipment 2 years  
Office Equipment Furniture and Fixtures [Member] | Maximum [Member]    
Property, Plant and Equipment [Line Items]    
Useful life of property and equipment 10 years  
Capitalized Computer Software [Member]    
Property, Plant and Equipment [Line Items]    
Useful life of property and equipment 5 years