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Long-term Debt (Details 3) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2014
Sep. 30, 2013
Feb. 29, 2012
Aug. 31, 2011
Debt Instrument [Line Items]        
2015 $ 12,315us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInNextTwelveMonths      
2016 9,864us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearTwo      
2017 13,492us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearThree      
2018 8,358us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFour      
2019 7,531us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalInYearFive      
Thereafter 18,792us-gaap_LongTermDebtMaturitiesRepaymentsOfPrincipalAfterYearFive      
Total maturities of long-term debt, net of debt discount $ 70,352us-gaap_LongTermDebt $ 78,592us-gaap_LongTermDebt $ 2,700us-gaap_LongTermDebt $ 750us-gaap_LongTermDebt