Note 3 - Liquidity and Summary of Significant Accounting Principles (Details Textual) - USD ($)	3 Months Ended	12 Months Ended		48 Months Ended
	Jun. 30, 2022	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2022	Dec. 31, 2020
Net Cash Provided by (Used in) Financing Activities, Total		$ 4,457,757	$ 1,373,092	$ 1,873,092
Proceeds from Issuance of Private Placement		4,457,757	0
Retained Earnings (Accumulated Deficit), Total		(26,764,805)	(23,593,069)	(26,764,805)
Cash and Cash Equivalents, at Carrying Value, Total		2,051,208	1,414,569	2,051,208	$ 161,432
Cash, Uninsured Amount		2,100,000		2,100,000
Accounts Receivable, Allowance for Credit Loss, Ending Balance		0		0
Accounts Receivable, after Allowance for Credit Loss, Total			0
Inventory, Finished Goods, Gross		157,000		157,000
Inventory, Raw Materials, Gross		83,000		83,000
Inventory Valuation Reserves		0		0
Revenue from Contract with Customer, Including Assessed Tax		$ 112,250	$ 0
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)		1 year
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)		6 years
Asset Pledged as Collateral [Member] | Corporate Credit Card [Member]
Restricted Cash, Total		$ 55,000		$ 55,000
Private Placement [Member]
Proceeds from Issuance of Private Placement	$ 3,957,757	$ 4,457,757