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Note 7 - Concentrations - Customers Representing 5% or More of Total Revenue (Details) - USD ($)	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Major Customers 1 [Member]
Revenue	$ 191,682	$ 536,615
Major Customers 2 [Member]
Revenue	94,825	240,578
Major Customers 3 [Member]
Revenue	53,900	155,143
Major Customers 4 [Member]
Revenue	44,940	0
Major Customers 5 [Member]
Revenue	$ 44,299	$ 0

X

- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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