Note 3 - Liquidity and Summary of Significant Accounting Principles (Details Textual) - USD ($)	3 Months Ended		6 Months Ended		36 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Net Cash Provided by (Used in) Financing Activities, Total			$ 3,957,757	$ 0	$ 1,900,000
Proceeds from Issuance of Private Placement			3,957,757	0
Retained Earnings (Accumulated Deficit), Total	$ (24,892,499)		(24,892,499)		(23,593,069)
Cash and Cash Equivalents, at Carrying Value, Total	3,444,828		3,444,828		$ 1,414,569
Accounts Receivable, after Allowance for Credit Loss, Total	0	$ 0	0	0
Inventory, Finished Goods, Gross	94,000		94,000
Inventory, Raw Materials, Gross	144,000		144,000
Revenue from Contract with Customer, Including Assessed Tax	0	$ 0	$ 0	$ 0
Minimum [Member]
Property, Plant and Equipment, Useful Life (Year)			1 year
Maximum [Member]
Property, Plant and Equipment, Useful Life (Year)			6 years
Private Placement [Member]
Proceeds from Issuance of Private Placement	$ 3,957,757