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Note 2 - Summary of Significant Accounting Policies - Components of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($)
$ in Thousands
Sep. 30, 2024
Dec. 31, 2023
Cash and cash equivalents $ 776 $ 3,130
Cash and cash equivalents, discontinued operations 0 (206)
Restricted cash included in other assets 477 476
Total cash, cash equivalents, and restricted cash in the condensed consolidated statements of cash flows $ 1,253 $ 3,400