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Note 2 - Investments | 6 Months Ended
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Dec. 31, 2022
Notes to Financial Statements |
Investment [Text Block] | (2) Investments The following tables summarize gains and losses related to the Company’s investments as of December 31, 2022 and June 30, 2022:
|  | December 31, 2022 |
Available-for-Sale Investments |  | Adjusted |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(In thousands) |  | Cost |  |  | Gain |  |  | Loss |  |  | Value |
Mutual Funds - Corporate & Government Debt |  | $ | 19,997 |  |  | $ | — |  |  | $ | (1,071 | ) |  | $ | 18,926 |
ETFs - Corporate & Government Debt |  |  | 7,375 |  |  |  | — |  |  |  | (463 | ) |  |  | 6,912 |
Time Deposits |  |  | 5,150 |  |  |  | — |  |  |  | (35 | ) |  |  | 5,115 |
Total |  | $ | 32,522 |  |  | $ | — |  |  | $ | (1,569 | ) |  | $ | 30,953 |
|  | June 30, 2022 |
Available-for-Sale Investments |  | Adjusted |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(In thousands) |  | Cost |  |  | Gain |  |  | Loss |  |  | Value |
Mutual Funds - Corporate & Government Debt |  | $ | 19,997 |  |  | $ | — |  |  | $ | (806 | ) |  | $ | 19,191 |
ETFs - Corporate & Government Debt |  |  | 7,375 |  |  |  | — |  |  |  | (393 | ) |  |  | 6,982 |
Time Deposits |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Total |  | $ | 27,372 |  |  | $ | — |  |  | $ | (1,199 | ) |  | $ | 26,173 |
We have certain financial instruments on our condensed consolidated balance sheets related to interest-bearing time deposits. Time deposits with maturities of less than 90 days, if any, from the purchase date are included in “Cash and Cash Equivalents.” Time deposits with maturities from 91-360 days, if any, are included in “Short-term investments.” Time deposits with maturities of more than 360 days, if any, are included in “Long-term investments.” As of December 31, 2022 and June 30, 2022, the Company had no long-term investments. For more information about the fair value of the Company’s financial instruments, see footnote 8. The following table presents the carrying amounts of certain financial instruments as of December 31, 2022 and June 30, 2022:
|  | Carrying Value |
|  | Short-Term Investments |
(In thousands) |  | December 31, 2022 |  |  | June 30, 2022 |
Mutual Funds - Corporate & Government Debt |  | $ | 18,926 |  |  | $ | 19,191 |
ETFs - Corporate & Government Debt |  |  | 6,912 |  |  |  | 6,982 |
Time Deposits - Maturities from 91-360 days |  |  | 5,115 |  |  |  | — |
Total |  | $ | 30,953 |  |  | $ | 26,173 |

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