Quarterly report pursuant to Section 13 or 15(d)

Note 16 - Subsequent Events (Details Textual)

v3.20.2
Note 16 - Subsequent Events (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 9 Months Ended
Aug. 31, 2020
Nov. 13, 2020
Dec. 31, 2019
Sep. 30, 2020
Jun. 30, 2019
Mar. 31, 2019
Sep. 30, 2020
Sep. 30, 2019
Jun. 30, 2020
Stock Issued During Period, Shares, New Issues (in shares)     2,100,000            
Stock Issued During Period, Value, New Issues         $ 5,166,441 $ 50,000      
Proceeds from Issuance of Preferred Stock and Preference Stock             $ 4,350,000  
Preferred Stock, Shares Subscribed but Unissued (in shares)     0 148,500     148,500    
Preferred Stock, Shares Subscribed but Unissued, Subscriptions Receivable     $ 14,150,000     $ 14,150,000    
Conversion from Series D Preferred Stock To Common Stock [Member]                  
Conversion of Stock, Shares Converted (in shares)       1,500     1,500    
Conversion of Stock, Shares Issued (in shares)       56,497     56,497    
Conversion from Series D Preferred Stock To Common Stock [Member] | Subsequent Event [Member]                  
Conversion of Stock, Shares Converted (in shares)   7,000              
Conversion of Stock, Shares Issued (in shares)   313,290              
Series D Preferred Stock [Member]                  
Stock Issued During Period, Value, New Issues       $ 132,091          
Preferred Stock, Shares Subscribed but Unissued (in shares)       700,000     700,000    
Preferred Stock, Shares Subscribed but Unissued, Subscriptions Receivable       $ 14,200,000     $ 14,200,000   $ 14,200,000
Keystone Capital Partners, LLC [Member] | Series D Preferred Stock [Member]                  
Stock Issued During Period, Shares, New Issues (in shares) 150,000     1,500          
Stock Issued During Period, Value, New Issues $ 15,000,000                
Proceeds from Issuance of Preferred Stock and Preference Stock       $ 150,000          
Keystone Capital Partners, LLC [Member] | Series D Preferred Stock [Member] | Subsequent Event [Member]                  
Stock Issued During Period, Shares, New Issues (in shares)   7,000              
Proceeds from Issuance of Preferred Stock and Preference Stock   $ 700,000