XML 52 R42.htm IDEA: XBRL DOCUMENT v3.25.3
Note 7 - Income Taxes (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Income Tax Expense (Benefit) $ 0 $ 0 $ 0 $ 0
Valuation Allowance, Deferred Tax Asset, Percentage of Net Deferred Tax Assets     100.00%