Schedule of Maturities of Long-term Debt (Details) (USD $)	6 Months Ended
	Jan. 31, 2015
Long-term Debt Schedule Of Maturities Of Long-term Debt 1	$ 0
Long-term Debt Schedule Of Maturities Of Long-term Debt 2	1,666,667
Long-term Debt Schedule Of Maturities Of Long-term Debt 3	18,333,333
Long-term Debt Schedule Of Maturities Of Long-term Debt 4	$ 20,000,000