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Note 19 - Subsequent Events (Details Textual) - USD ($)
2 Months Ended 12 Months Ended
May 11, 2023
Apr. 25, 2023
Dec. 21, 2022
Sep. 29, 2022
Aug. 23, 2022
Aug. 23, 2022
Apr. 08, 2022
Mar. 07, 2023
Dec. 31, 2021
Sep. 30, 2023
Dec. 31, 2022
Dec. 31, 2020
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)                     1,591,250  
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)                 $ 2.66 $ 2.5 $ 2.47 $ 3.99
Warrants Issued With Promissory Notes [Member]                        
Proceeds from Issuance of Debt     $ 250,000                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) 375,000 375,000 62,500 625,000 625,000 625,000   312,500        
Warrants and Rights Outstanding, Term (Year) 10 years 10 years 10 years 10 years 10 years 10 years            
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) $ 2.5 $ 2.5 $ 2.6 $ 2.6 $ 2.6 $ 2.6            
Class of Warrant or Right, Number Per $100,000 Notes Payable (in shares) 25,000 25,000 25,000 25,000 25,000 25,000            
Promissory Notes and Warrants [Member]                        
Proceeds from Issuance of Debt $ 1,500,000 $ 1,500,000   $ 2,500,000 $ 2,500,000 $ 2,500,000 $ 3,700,000   $ 2,075,000      
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares)         625,000 625,000 925,000   311,250      
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)         $ 2.6 $ 2.6 $ 2.35   $ 2.21      
Debt Instrument, Interest Rate, Stated Percentage 8.00% 8.00%   8.00% 8.00% 8.00%            
One Director [Member] | Promissory Notes and Warrants [Member]                        
Proceeds from Issuance of Debt               $ 1,250,000