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Long-term Debt (Details 3) - USD ($)
$ in Thousands
Sep. 30, 2015
Sep. 30, 2014
Aug. 31, 2011
Debt Instrument [Line Items]      
2016 $ 9,700    
2017 17,057    
2018 16,051    
2019 9,737    
2020 17,129    
Thereafter 25,246    
Total maturities of long-term debt, net of debt discount $ 94,920 $ 70,352 $ 750