Note 5 - Restricted and Unrestricted Cash - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Jun. 30, 2025
Cash and cash equivalents	$ 24,330	$ 24,552
Restricted cash	1,000	1,000
Total cash, cash equivalents, and restricted cash	$ 25,330	$ 25,552

Amount of cash and cash equivalent. Cash includes, but is not limited to, currency on hand, demand deposit with financial institution, and account with general characteristic of demand deposit. Cash equivalent includes, but is not limited to, short-term, highly liquid investment that is both readily convertible to known amount of cash and so near maturity that it presents insignificant risk of change in value because of change in interest rate.

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