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Supporting Financial Information - Equipment and Improvements, net (Details) - USD ($)
$ in Thousands
9 Months Ended
Jun. 30, 2015
Sep. 30, 2014
Property, Plant and Equipment [Line Items]    
Furniture and equipment $ 139 $ 139
Computer equipment 292 126
Computer software 433 430
Leasehold improvements 24 24
Property, Plant and Equipment, Gross 888 719
Less accumulated depreciation and amortization (701) (656)
Equipment and improvements, net $ 187 $ 63
Minimum | Leasehold Improvements    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 3 years  
Maximum | Leasehold Improvements    
Property, Plant and Equipment [Line Items]    
Property, Plant and Equipment, Useful Life 5 years