Note 3 - Intangible Assets - Schedule of Intangible assets (Details) - USD ($)	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021
Balance	$ 194,200	$ 212,619
Additions during the period	676	11,941
Amortization	(36,067)	(30,360)
Balance	$ 158,809	$ 194,200

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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