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Note 3 - Investments | 12 Months Ended
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Jun. 30, 2023
Notes to Financial Statements |
Investment [Text Block] | (3) Investments The following tables summarize gains and losses related to the Company’s investments:
|  | June 30, 2023 |
Available-for-Sale |  | Adjusted |  |  | Unrealized |  |  | Unrealized |  |  | Fair |
(In thousands) |  | Cost |  |  | Gain |  |  | Loss |  |  | Value |
Mutual Funds - Corporate & Government Debt |  | $ | 19,990 |  |  | $ | — |  |  | $ | (1,025 | ) |  | $ | 18,965 |
ETFs - Corporate & Government Debt |  |  | 7,376 |  |  |  | — |  |  |  | (418 | ) |  |  | 6,958 |
Time Deposits |  |  | 2,006 |  |  |  | — |  |  |  | (10 | ) |  |  | 1,996 |
Total |  | $ | 29,372 |  |  | $ | — |  |  | $ | (1,453 | ) |  | $ | 27,919 |
|  | June 30, 2022 |
Available-for-Sale |  | 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 |
Total |  | $ | 27,372 |  |  | $ | — |  |  | $ | (1,199 | ) |  | $ | 26,173 |
We have certain financial instruments on our 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 June 30, 2023 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 Note 6. The following table presents the carrying amounts of certain financial instruments as of June 30, 2023 and June 30, 2022:
|  | Carrying Value |
|  | Short-Term Investments |  |  | Long-Term Investments |
(In thousands) |  | June 30, 2023 |  |  | June 30, 2022 |  |  | June 30, 2023 |  |  | June 30, 2022 |
Money Market Funds |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Mutual Funds - Corporate & Government Debt |  |  | 18,965 |  |  |  | 19,191 |  |  |  | — |  |  |  | — |
ETFs - Corporate & Government Debt |  |  | 6,958 |  |  |  | 6,982 |  |  |  | — |  |  |  | — |
Time deposits |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Maturities from 1-90 days |  |  | — |  |  |  | — |  |  |  | — |  |  |  | — |
Maturities from 91-360 days |  |  | 1,996 |  |  |  | — |  |  |  | — |  |  |  | - |
Total |  | $ | 27,919 |  |  | $ | 26,173 |  |  | $ | — |  |  | $ | — |

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