Note 6 - Derivatives (Details Textual) - USD ($)	9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Agent Warrants In Connection With March 2020 Private Placement [Member]
Derivative Liability, Total	$ 5,862		$ 41,336
Derivative, Gain (Loss) on Derivative, Net, Total	35,474	$ (41,326)
Agent Warrants Issued in Connection with May 2020 Offering [Member]
Derivative Liability, Total	7,225		42,646
Derivative, Gain (Loss) on Derivative, Net, Total	35,421	(39,946)
Agent Warrants In Connection With June 2020 Warrant [Member]
Derivative Liability, Total	9,012		$ 45,498
Derivative, Gain (Loss) on Derivative, Net, Total	$ 36,486	$ (44,051)