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Long-Term Debt (Details 1) (USD $)	Jul. 31, 2012	Jul. 31, 2011
2013	$ 1,227,533
2014	44,118
2015	397,297
Thereafter	0
Total	$ 1,664,161	$ 3,080,066

Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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