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Note 8 - Concentrations - Customers Representing 5% or More of Total Revenue (Details) - USD ($)	9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019
Major Customers 1 [Member]
Revenue by customer	$ 74,326	$ 82,644
Major Customers 2 [Member]
Revenue by customer	47,452	46,267
Major Customers 3 [Member]
Revenue by customer	40,289	41,213
Major Customers 4 [Member]
Revenue by customer	38,333	38,333
Major Customers 5 [Member]
Revenue by customer	$ 32,108	$ 38,246

X

- Definition

Amount, including 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.

+ References

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-Publisher FASB
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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