Note 4 - Cash, Cash Equivalents and Restricted Cash - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Thousands	Sep. 30, 2026	Dec. 31, 2025	Sep. 30, 2025	Dec. 31, 2024
Cash and cash equivalents	$ 6,306	$ 4,114
Restricted cash	7,804	8,730
Cash, cash equivalents and restricted cash	$ 14,110	$ 12,844	$ 13,250	$ 11,761

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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