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Note 12 - Stockholders' Equity (Details Textual) - USD ($)
1 Months Ended 9 Months Ended 12 Months Ended
Jul. 22, 2022
Apr. 20, 2022
Apr. 11, 2022
Mar. 25, 2022
Dec. 08, 2021
Jul. 02, 2021
May 25, 2021
Feb. 05, 2021
Jan. 27, 2021
Jan. 07, 2021
Oct. 02, 2020
Jan. 31, 2021
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Preferred Stock, Shares Authorized (in shares)                         20,000,000   20,000,000 20,000,000
Preferred Stock, Par or Stated Value Per Share (in dollars per share)                         $ 0.001   $ 0.001 $ 0.001
Preferred Stock, Shares Issued (in shares)                         0   0 0
Proceeds from Issuance of Common Stock                         $ 3,675,000 $ 0 $ 0 $ 5,562,511
Claudia [Member]                                
Stock Issued During Period, Value, Issued for Services                       $ 290,792        
Stock Issued During Period, Shares, Issued for Services (in shares)                       60,951        
Claudia [Member] | Common Stock Awards [Member]                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)                               5,541
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Value                               $ 12,467
Ira Goldfarb [Member]                                
Stock Issued During Period, Value, Issued for Services                               $ 317,188
Stock Issued During Period, Shares, Issued for Services (in shares)                               66,484
Ira Goldfarb [Member] | Common Stock Awards [Member]                                
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)                               6,044
Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Grants In Period, Value                               $ 13,599
Board [Member]                                
Stock Issued During Period, Value, Issued for Services             $ 20,000                  
Stock Issued During Period, Shares, Issued for Services (in shares)             2,000                  
Mr Ludeman [Member]                                
Stock Issued During Period, Value, Issued for Services         $ 15,000       $ 40,000              
Stock Issued During Period, Shares, Issued for Services (in shares)         5,000       6,400              
Two Advisory Board [Member]                                
Stock Issued During Period, Value, Issued for Services   $ 20,000                            
Stock Issued During Period, Shares, Issued for Services (in shares)   8,000                            
Advisory Board [Member]                                
Stock Issued During Period, Value, Issued for Services       $ 10,000                   $ 30,000 $ 30,000  
Stock Issued During Period, Shares, Other (in shares)       4,255                        
Mr. Creed [Member]                                
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares) 6,410                              
Stock Issued During Period, Value, Issued for Services $ 25,000                              
Mr. Mueller [Member]                                
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture (in shares)     8,064                          
Stock Issued During Period, Value, Issued for Services     $ 24,998                          
Five Directors [Member]                                
Stock Issued During Period, Value, Issued for Services         $ 125,000           $ 125,010          
Stock Issued During Period, Shares, Issued for Services (in shares)         41,665           20,835          
Mr Ludeman [Member]                                
Stock Issued During Period, Value, Issued for Services         $ 15,000                      
Stock Issued During Period, Shares, Issued for Services (in shares)         5,000                      
Mr Benjamin Oehler [Member]                                
Stock Issued During Period, Value, Issued for Services                     $ 15,000          
Stock Issued During Period, Shares, Issued for Services (in shares)                     2,500          
October2020 Through December2020 [Member] | Claudia [Member]                                
Stock Issued During Period, Value, Issued for Services                   $ 61,505            
Stock Issued During Period, Shares, Issued for Services (in shares)                   16,623            
October2020 Through December2020 [Member] | Ira Goldfarb [Member]                                
Stock Issued During Period, Value, Issued for Services                   $ 67,092            
Stock Issued During Period, Shares, Issued for Services (in shares)                   18,133            
Stock Purchase Agreement July2021 [Member]                                
Stock Issued During Period, Shares, New Issues (in shares)           714,701                    
Proceeds from Issuance of Common Stock           $ 3,037,511                    
Stock Purchase Agreement July2021 [Member] | Officers and Directors [Member]                                
Stock Issued During Period, Shares, New Issues (in shares)           271,911                    
Proceeds from Issuance of Common Stock           $ 1,155,625                    
Stock Purchase Agreement Feb2021 [Member]                                
Stock Issued During Period, Shares, New Issues (in shares)               631,250                
Proceeds from Issuance of Common Stock               $ 2,525,000                
Stock Purchase Agreement Feb2021 [Member] | Officers and Directors [Member]                                
Stock Issued During Period, Shares, New Issues (in shares)               225,000                
Proceeds from Issuance of Common Stock               $ 900,000