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Cash and Cash Equivalents
9 Months Ended
Apr. 30, 2012
Cash and Cash Equivalents  
Cash and Cash Equivalents
2.
Cash and Cash Equivalents

The Company's policy is to invest cash in excess of operating requirements in income-producing short-term investments. At April 30, 2012 and July 31, 2011, short-term investments consist of money market funds. Short-term investments amounted to approximately $12,000 at April 30, 2012 and $2.0 million at July 31, 2011 and are reflected in cash and cash equivalents in the accompanying consolidated balance sheets and statements of cash flows.