Note 6 - Derivatives - Change in Fair Value of Derivative Liabilities (Details) - USD ($)	3 Months Ended
Mar. 31, 2023	Mar. 31, 2022
Derivative liability balance	$ 13,833	$ 129,480
Gain recognized to revalue derivative instrument at fair value	(953)	(1,908)
Derivative liability balance	$ 12,880	$ 127,572

Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 820
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 2
-Subparagraph (c)(1)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482106/820-10-50-2

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration