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Note 2 - Cash, Cash Equivalents, and Restricted Cash - Reconciliation of Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Cash and cash equivalents	$ 499	$ 898
Total cash, cash equivalents, and restricted cash shown in the statement of cash flows	3,424	3,831
Other Current Assets [Member]
Restricted cash	2	31
Other Assets [Member]
Restricted cash	$ 2,923	$ 2,902

X

- Definition

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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