Cash and Cash Equivalents
9 Months Ended
Apr. 30, 2013
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents
3.         Cash and Cash Equivalents

The Company invests cash in excess of operating requirements in income-producing short-term investments. At April 30, 2013 and July 31, 2012, money market funds of $3.7 million and $2.2 million, respectively, were included in cash and cash equivalents in the accompanying condensed consolidated balance sheets.