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Property And Equipment (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2012
Property And Equipment [Abstract]      
Depreciation $ 2,526 $ 2,552 $ 2,075
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 31,721 31,887  
Accumulated Depreciation (21,739) (21,570)  
Construction in Progress 206 97  
Property, Plant and Equipment, Net, Total 10,188 10,414  
Land [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 889 689  
Building [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 3,582 3,762  
Building [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 5 years    
Building [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 20 years    
Transportation Equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 1,263 1,688  
Transportation Equipment [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 3 years    
Transportation Equipment [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 5 years    
Machinery and Equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 7,362 7,251  
Machinery and Equipment [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 3 years    
Machinery and Equipment [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 10 years    
Leasehold Improvements [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 2,312 2,313  
Leasehold Improvements [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 5 years    
Leasehold Improvements [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 10 years    
Technology Equipment [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross 15,624 15,408  
Technology Equipment [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 2 years    
Technology Equipment [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 8 years    
Furniture and Fixtures [Member]
     
Property, Plant and Equipment [Line Items]      
Property, Plant and Equipment, Gross $ 689 $ 776  
Furniture and Fixtures [Member] | Minimum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 5 years    
Furniture and Fixtures [Member] | Maximum [Member]
     
Property, Plant and Equipment [Line Items]      
Estimated Useful Life 7 years