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Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Apr. 01, 2020	Jul. 01, 2018	Oct. 01, 2017
Cash, Uninsured Amount	$ 0		$ 0
Cash, FDIC Insured Amount	250,000		250,000
Accounts Receivable, Allowance for Credit Loss	0		0		$ 0
Accounts Receivable, Allowance for Credit Loss, Writeoff	0	$ 0	0	$ 0
Accounts Receivable, Allowance for Credit Loss, Recovery	0	0	0	0
Goodwill, Impairment Loss	0	0	0	0
Impairment, Long-Lived Asset, Held-for-Use	0	0	0	0
Share-Based Payment Arrangement, Expense	73,161	$ 77,557	192,090	$ 256,688
Fair Value, Nonrecurring [Member]
Fair Value, Net Asset (Liability)	$ 0		$ 0		$ 0
Building 33 [Member]
Property, Plant and Equipment, Useful Life (Year)								39 years
Equipment for Nisin DS Facility [Member]
Property, Plant and Equipment, Useful Life (Year)							10 years
Property, Plant and Equipment, Percentage of Assets							86.00%
Leasehold Improvements [Member]
Property, Plant and Equipment, Useful Life (Year)						10 years

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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