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Note 5. Cash, Cash Equivalents and Investments
6 Months Ended
Feb. 28, 2013
Cash and Cash Equivalents Disclosure [Text Block]
5. CASH, CASH EQUIVALENTS AND INVESTMENTS

Cash and Cash Equivalents – consist of demand deposits and corporate money market funds with original maturities of three months or less at the date of acquisition and are reported at fair value. There were no gross unrealized gains or losses within the Company’s cash and cash equivalents at February 28, 2013 and August 31, 2012, respectively.

Investments – consist of certificates of deposit with original maturity dates ranging from nine months to twelve months from purchase date. These certificates of deposit are held for investment and are not debt securities. For the three and six months ended February 28, 2013, interest income earned from the certificates of deposit was $0.3 million and $0.7 million, respectively.

The Company’s cash, cash equivalents and investments portfolio did not experience any realized or unrealized losses as a result of counterparty credit risk or ratings change during fiscal 2013 and 2012.