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Long-term Debt (Details 3) (USD $)
Sep. 30, 2012
Feb. 29, 2012
Sep. 30, 2011
Aug. 31, 2011
Jun. 30, 2010
2013 $ 6,603,000        
2014 5,909,000        
2015 6,520,000        
2016 4,252,000        
2017 12,284,000        
Thereafter 27,960,000        
Total maturities of long-term debt, net of debt discount $ 63,528,000 $ 2,700,000 $ 35,554,000 $ 750,000 $ 518,192