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Note 9 - Other Assets (Tables) | 9 Months Ended
--- | ---
Mar. 31, 2024
Notes Tables |
Schedule of Other Assets [Table Text Block] |
|  | March 31, |  |  | June 30, |
|  | 2024 |  |  | 2023 |
U.S. Treasury notes (1) |  | $ | 34,867 |  |  | $ | - |
Restricted cash |  |  | 409 |  |  |  | 492 |
Other assets |  |  | 1,537 |  |  |  | 1,712 |
Other assets |  | $ | 36,813 |  |  | $ | 2,204 |

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- Definition Tabular disclosure of the carrying amounts of other assets. This disclosure includes other current assets and other noncurrent assets. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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- References No definition available. + Details
Name: | us-gaap_TableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration