Revolving Line of Credit (Details Textual) (USD $)	12 Months Ended
	Jul. 31, 2012	Jul. 31, 2011
Line of Credit Facility, Interest Rate Description	Advances under the credit line were secured with substantially all of the Company's assets, were subject to interest at 1% above the Wall Street Journal prime rate index.
Line Of Credit Facility Interest Rate Requirements Current Ratio Minimum	1.2 times
Line Of Credit Facility Interest Rate Requirements Debt To Tabgible Net Worth Ratio Maximum	2.5 times
Line Of Credit Facility Quarterly Ebitda On Rolling Four Quarter Basis Minimum (in dollars)	$ 30,000
Line of Credit Facility, Periodic Payment, Interest (in dollars)	$ 3,082	$ 25,172