Note 7 - Common Stock, Warrants and Preferred Stock (Details) - USD ($)	3 Months Ended	9 Months Ended
	Dec. 31, 2018	Jun. 30, 2020	Sep. 30, 2019
Units sold	$ 7,500,000
Units sold net proceeds	$ 600,000
Common stock and warrants issued for cash		7,500,000
Subscription units sold to related parties		7,125,000
Warrants and Rights Outstanding		$ 45,541,908	$ 45,689,967
Series J Issued
Warrants issued		3,750,000
Warrants issued fair value		$ 266,500
Issued during the year
Common stock reserved for issuance pursuant to Warrant exercises		3,750,000