Basis of Presentation and Significant Accounting Policies (Details 1)	12 Months Ended
	Sep. 30, 2012
Leasehold improvements [Member] | Minimum [Member]
Estimated useful lives of property and equipment
Property, Plant and Equipment, Estimated Useful Lives	P5Y
Leasehold improvements [Member] | Maximum [Member]
Estimated useful lives of property and equipment
Property, Plant and Equipment, Estimated Useful Lives	P10Y
Computer equipment [Member] | Minimum [Member]
Estimated useful lives of property and equipment
Property, Plant and Equipment, Estimated Useful Lives	P3Y
Computer equipment [Member] | Maximum [Member]
Estimated useful lives of property and equipment
Property, Plant and Equipment, Estimated Useful Lives	P5Y
Furniture and fixtures [Member] | Minimum [Member]
Estimated useful lives of property and equipment
Property, Plant and Equipment, Estimated Useful Lives	P5Y
Furniture and fixtures [Member] | Maximum [Member]
Estimated useful lives of property and equipment
Property, Plant and Equipment, Estimated Useful Lives	P7Y