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Income Taxes (Details Textual) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2010
Income Taxes (Textual) [Abstract]      
Increase/(reduction) of the valuation allowance against its net deferred tax assets $ 127 $ (12)  
Liabilities recorded for uncertain tax positions and related interest and penalties 120 96 63
Related unrecognized tax benefit 3    
Subsidiaries [Member]
     
Income Taxes (Textual) [Abstract]      
Non US tax loss carryforward $ 5,458