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Related Party Transactions (Narrative) (Details) (Jimmy S.M. Lee, Executive Chairman, USD $)
In Thousands, unless otherwise specified
3 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Sep. 30, 2013
Jimmy S.M. Lee, Executive Chairman
     
Related Party Transaction [Line Items]      
Revenue from related parties $ 21 $ 108  
Accounts receivable, related parties $ 0   $ 65