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Note 2 - Summary of Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Thousands
Jun. 30, 2023
Jun. 30, 2022
Cash $ 12,354 $ 23,298
Cash equivalents 2,780 8,010
Restricted cash and cash equivalents included in current assets 0 1,990
Total cash, cash equivalents, and restricted cash and cash equivalents shown in the Condensed Consolidated Statements of Cash Flows $ 15,134 $ 33,298