Quarterly report pursuant to Section 13 or 15(d)

Note 1 - Organization and Business (Details Textual)

v3.21.2
Note 1 - Organization and Business (Details Textual)
1 Months Ended 6 Months Ended
Jun. 30, 2020
USD ($)
Apr. 30, 2020
USD ($)
Jun. 30, 2021
USD ($)
Jun. 30, 2020
USD ($)
Dec. 31, 2020
USD ($)
Number of Countries in which Entity Operates     60    
Proceeds from Issuance of Common Stock     $ 0 $ 18,003,037  
Cash and Cash Equivalents, at Carrying Value, Ending Balance     15,977,330   $ 14,223,917
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect, Total     $ 1,753,413 $ 15,093,945  
April 6, 2020 Public Offering [Member]          
Proceeds from Issuance of Common Stock   $ 4,600,000      
June 30, 2020 Public Offering [Member]          
Proceeds from Issuance of Common Stock $ 13,400,000