Note 11 - Other Income (Expense) (Details Textual) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2021 |
Dec. 31, 2020 |
|
| CCXI [Member] | ||||
| Unrealized Gain (Loss) on Investments, Total | $ 28.4 | $ 10.7 | $ 33.7 | $ 6.4 |
| X | ||||||||||
- Definition Amount of unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Details
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