Note 3 - Balance Sheet Components - Schedule of Property and Equipment (Details) - USD ($)	Dec. 31, 2025	Dec. 31, 2024
Total property and equipment	$ 512,437	$ 911,016
Accumulated depreciation and amortization	(403,607)	(761,042)
Total property and equipment, net	108,830	149,974
Equipment and Furnishings [Member]
Total property and equipment	512,437	795,411
Leasehold Improvements [Member]
Total property and equipment	$ 0	$ 115,605

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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