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Note 2 - Leases (Details Textual) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Operating Lease, Expense $ 151,568 $ 133,973 $ 302,256 $ 266,105