Quarterly report [Sections 13 or 15(d)]

Note 5 - Revenue Recognition (Details Textual)

v3.26.1
Note 5 - Revenue Recognition (Details Textual) - USD ($)
3 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Contract with Customer, Asset, after Allowance for Credit Loss $ 0 $ 0
Contract with Customer, Liability, Current 1,078,526 $ 1,193,267
Contract with Customer, Liability, Revenue Recognized $ 468,041