Revolving Line of Credit (Details Textual) (USD $)	3 Months Ended
	Oct. 31, 2013	Oct. 31, 2012
Line of Credit Facility, Interest Rate Description	advances under the credit line were secured with substantially all of the Companys 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 Tangible 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)	$ 286	$ 1