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Segment Information (Detail) - Long-lived assets by geographic location (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Sep. 30, 2012
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 1,830 $ 1,483
North America
   
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets 1,287 994
Europe
   
Revenues from External Customers and Long-Lived Assets [Line Items]    
Long-lived assets $ 543 $ 489