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Aggregate Maturities of Notes Payable and Obligations Under Capital Leases (Detail) (USD $)
Sep. 30, 2014
Notes Payable And Capital Lease Obligations [Line Items]  
October 2014 - September 2015 $ 6,752,000us-gaap_ContractualObligationDueInNextTwelveMonths
October 2015 - September 2016 3,903,000us-gaap_ContractualObligationDueInSecondYear
October 2016 - September 2017 1,020,000us-gaap_ContractualObligationDueInThirdYear
October 2017 - September 2018 10,000us-gaap_ContractualObligationDueInFourthYear
Total $ 11,685,000us-gaap_ContractualObligation