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Notes Receivable (Details) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Sep. 30, 2012
Notes receivable    
Notes receivable $ 5,290 $ 5,493
Allowance for doubtful notes      
Total 5,290 5,493
Less current portion 5,290 3,806
Long-term portion   $ 1,687