Subsequent Event (Details) (USD $)	3 Months Ended
	Oct. 31, 2013
Subsequent Event
Deposit For Business Acquisition	$ 800,000
Business Acquisition Related Costs	116,000
Cash Consideration Paid For Business Acquisition Subsequent Event	11,900,000
Cash Paid For Contingent Liability Deposit Subsequent Event	500,000
Estimated post-closing consideration adjustment	$ 100,000