Short-Term Investments	6 Months Ended
Dec. 31, 2017
Short-Term Investments	Note 6. Short-Term Investments As of December 31, 2017 and June 30, 2017, our short-term investments consisted of $35.1 million and $45.1 million, respectively, in U.S. government securities. The short-term investments held as of December 31, 2017 and June 30, 2017 had maturity dates of less than one year, are considered to be “held to maturity” and are carried at amortized cost. Due to the short-term maturities of these instruments, the amortized cost approximates the related fair values. As of December 31, 2017 and June 30, 2017, the gross holding gains and losses were immaterial.

Short-Term Investments

6 Months Ended

Dec. 31, 2017

Note 6. Short-Term Investments

As of December 31, 2017 and June 30, 2017, our short-term investments consisted of $35.1 million and $45.1 million, respectively, in U.S. government securities. The short-term investments held as of December 31, 2017 and June 30, 2017 had maturity dates of less than one year, are considered to be “held to maturity” and are carried at amortized cost. Due to the short-term maturities of these instruments, the amortized cost approximates the related fair values. As of December 31, 2017 and June 30, 2017, the gross holding gains and losses were immaterial.