Note 1 - The Company and Description of Business (Details Textual) - USD ($) $ in Thousands		3 Months Ended
Jul. 16, 2025	Sep. 30, 2024	Jun. 30, 2024
Stock Issued During Period, Value, New Issues		$ 0	$ 0
Series E Preferred Stock [Member]
Stock Issued During Period, Value, New Issues	$ 60,000
Securities Purchase Agreement, Option to Increase Purchase, Maximum Value	$ 200,000

Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.

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