Note 5 - Fair Value Measurements (Details Textual) - USD ($) $ in Thousands |
9 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2023 |
Jun. 30, 2022 |
|
| Unrealized Gain (Loss) on Investments | $ 0 | $ 0 |
| Long-Term Debt, Fair Value | $ 0 | $ 0 |
| X | ||||||||||
- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. No definition available.
|
| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|