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Held-To-Maturity Investments
3 Months Ended
Sep. 30, 2011
Held-To-Maturity Investments 
Held-To-Maturity Investments

5. HELD-TO-MATURITY INVESTMENTS

We have investments in fixed income corporate debt securities, which are classified as held-to-maturity. These investments are held at amortized cost, which approximates fair value. These investments vary in maturity date, ranging from one to thirteen months, and pay interest semi-annually. The following table summarizes the balance of these investments as of September 30, 2011 and June 30, 2011: