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Aggregate Maturities of the Notes Payable and Obligations Under Capital Leases (Detail) (USD $)
Sep. 30, 2013
Notes Payable And Capital Lease Obligations [Line Items]  
October 2013 - September 2014 $ 9,258,000
October 2014 - September 2015 3,302,000
October 2015 - September 2016 332,000
October 2016 - September 2017 57,000
October 2017 - September 2018 6,000
Total $ 12,955,000