Note 1 - Organization and Significant Accounting Policies - Reconciliation of Cash, Cash Equivalents, and Restricted Cash (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Cash	$ 9,318	$ 7,879
Cash equivalents	2,621	631
Total cash and cash equivalents shown in the Consolidated Statements of Cash Flows	$ 11,939	$ 8,510