Note 7 - Operating Leases - Schedule of Lease Expenses (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Operating lease expense	$ 148,521	$ 92,127
Variable lease expense	45,319	25,869
Total lease expense	193,840	117,996
Operating cash flow from operating leases	119,508	87,651
Right of use asset in exchange for new lease liabilities	$ 41,630	$ 398,194
Weighted average remaining lease term - operating leases (years) (Year)	5 years 3 months 18 days	5 years
Weighted average discount rate - operating leases	5.80%	5.70%