Quarterly report pursuant to Section 13 or 15(d)

Note 15 - Subsequent Events (Details Textual)

v3.20.2
Note 15 - Subsequent Events (Details Textual) - USD ($)
2 Months Ended 9 Months Ended 12 Months Ended
Nov. 16, 2020
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2021
Dec. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)   $ 1.95     $ 0.50 $ 1.49 $ 2.55
Proceeds from Warrant Exercises   $ 985,763 $ 28,875        
Forecast [Member] | Consultant [Member]              
Stock Issued During Period, Value, Issued for Services       $ 60,000      
First Warrants Exercised Subsequent to June 30, 2020 [Member] | Subsequent Event [Member]              
Stock Issued During Period Shares, Warrants Exercised (in shares) 8,000            
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 1.20            
Proceeds from Warrant Exercises $ 9,600