Annual report pursuant to Section 13 and 15(d)

Note 2 - Liquidity (Details Textual)

v3.22.1
Note 2 - Liquidity (Details Textual) - USD ($)
1 Months Ended 2 Months Ended 3 Months Ended 6 Months Ended 9 Months Ended 10 Months Ended 12 Months Ended
Mar. 25, 2022
Jul. 08, 2021
Mar. 02, 2021
Feb. 23, 2021
Aug. 31, 2020
Aug. 30, 2020
Aug. 09, 2020
May 18, 2020
May 06, 2020
Feb. 29, 2020
Jan. 31, 2020
Dec. 31, 2019
Jan. 31, 2020
Mar. 25, 2021
Sep. 30, 2020
Sep. 30, 2020
Jul. 07, 2021
Dec. 31, 2021
Dec. 31, 2020
Jun. 30, 2021
Proceeds from Issuance of Common Stock                                   $ 4,346 $ 4,442,560  
Proceeds from Issuance of Preferred Stock and Preference Stock                                   $ 12,682,700 $ 5,975,000  
Common Stock, Par or Stated Value Per Share (in dollars per share)                                   $ 0.001 $ 0.001  
Common Stock, Share Subscribed but Unissued, Subscriptions Receivable                                   $ (0) $ 4,975,000  
Proceeds from Notes Payable, Total                                   0 366,000  
Gain (Loss) on Extinguishment of Debt, Total                                   366,000 0  
Paycheck Protection Program CARES Act [Member]                                        
Proceeds from Notes Payable, Total               $ 366,000                        
Gain (Loss) on Extinguishment of Debt, Total       $ 366,000                                
Private Placement [Member]                                        
Stock Issued During Period, Shares, New Issues (in shares)                         2,100,000              
Proceeds from Issuance of Common Stock                     $ 812,000 $ 1,100,000 $ 1,900,000              
Stock Issued During Period, Value, New Issues                                     2,059  
Series C Preferred Stock [Member]                                        
Stock Issued During Period, Value, New Issues                                     $ 4,163,178  
Conversion of Stock, Shares Converted (in shares)                               420,000     420,000  
Series D Preferred Stock [Member]                                        
Stock Issued During Period, Value, New Issues                                   $ 2,550,001 $ 132,107  
Preferred Stock, Shares Outstanding, Ending Balance (in shares)                                   22,077 0  
Conversion of Stock, Shares Converted (in shares)                                     17,750  
Series D Preferred Stock [Member] | Subsequent Event [Member]                                        
Preferred Stock, Shares Outstanding, Ending Balance (in shares) 22,077                                      
Series E Preferred Stock [Member]                                        
Stock Issued During Period, Value, New Issues                                   $ 4,930,038    
Preferred Stock, Shares Outstanding, Ending Balance (in shares)                                   50,000 0  
Series E Preferred Stock [Member] | Subsequent Event [Member]                                        
Conversion of Stock, Shares Converted (in shares) 0                                      
Keystone Capital Partners, LLC [Member] | Series C Preferred Stock [Member]                                        
Stock Issued During Period, Shares, New Issues (in shares)                 420,000                   420,000  
Proceeds from Issuance of Common Stock                                     $ 4.2  
Stock Issued During Period, Value, New Issues                 $ 4,200,000                      
Proceeds from Issuance of Preferred Stock and Preference Stock                             $ 4,200,000          
Keystone Capital Partners, LLC [Member] | Series D Preferred Stock [Member]                                        
Stock Issued During Period, Shares, New Issues (in shares)   22,077     150,000                 29,250     72,500 76,827 17,750  
Stock Issued During Period, Value, New Issues   $ 2,200,000     $ 15,000,000.0                       $ 7,250,000 $ 7,700,000    
Proceeds from Issuance of Preferred Stock and Preference Stock                           $ 2,900,000         $ 1,800,000  
Stock Purchase Agreement, Shares Remaining (in shares)                                   77,500    
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)         5,147,000                              
Preferred Stock, Shares Outstanding, Ending Balance (in shares)                                   22,077    
Keystone Capital Partners, LLC [Member] | Series D Preferred Stock [Member] | Maximum [Member]                                        
Convertible Preferred Stock, Shares Issued upon Conversion (in shares)         5,147,000                              
Jubilant [Member]                                        
Stock Issued During Period, Shares, New Issues (in shares)             209,205                          
Proceeds from Issuance of Common Stock             $ 1,000,000.0                          
Jubilant [Member] | Private Placement [Member]                                        
Sale of Stock, Commitment Amount             $ 1,000,000.0                          
Mastiff Group LLC [Member] | Private Placement [Member]                                        
Stock Issued During Period, Shares, New Issues (in shares)           1,000,000                            
Proceeds from Issuance of Common Stock                           $ 25,000            
Sale of Stock, Commitment Amount           $ 25,000,000.0                            
Common Stock, Par or Stated Value Per Share (in dollars per share)           $ 0.001                            
Common Stock, Share Subscribed but Unissued, Subscriptions Receivable                                       $ 4,975,000
John K. Scott, Jr. [Member] | Private Placement [Member]                                        
Stock Issued During Period, Shares, New Issues (in shares)                                     5,000  
Sale of Stock, Commitment Amount           $ 25,000                            
John K. Scott, Jr. [Member] | Series E Preferred Stock [Member]                                        
Stock Issued During Period, Shares, New Issues (in shares)     50,000                                  
Stock Issued During Period, Value, New Issues     $ 5,000,000.0                                  
Preferred Stock, Convertible, Shares Issuable (in shares)     2,173,913                                  
Investor [Member]                                        
Stock Issued During Period, Shares, New Issues (in shares)                   4,000,000.0                 4,020,588  
Proceeds from Issuance of Common Stock                   $ 3,400,000           $ 3,400,000