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Long-Term Debt (Details 1) (USD $)
Aug. 31, 2012
Aug. 31, 2011
2013 $ 555,000  
2014 7,727,000  
2015 296,000  
2016 316,000  
2017 253,000  
Thereafter 4,315,000  
Long-term Debt $ 13,462,000 $ 15,260,000