Registration of securities issued in business combination transactions

Note 15 - Common Stock Purchase Agreement (Details Textual)

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Note 15 - Common Stock Purchase Agreement (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Jul. 08, 2022
Sep. 30, 2023
Mar. 31, 2023
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Common Stock, Par or Stated Value Per Share (in dollars per share)   $ 0.001     $ 0.001 $ 0.001
Stock Issued During Period, Value, New Issues   $ 290,842 $ 56,266 $ 1,999,500 $ 2,037,000  
Registration Rights Agreement [Member]            
Common Stock, Maximum Shares Sold (in shares) 450,000          
Registration Rights Agreement [Member] | Before Reverse Stock Split [Member]            
Common Stock, Maximum Shares Sold (in shares) 4,500,000          
B. Riley Principal Capital II, LLC (the “Selling Stockholder”) [Member]            
Purchase Agreement, Maximum Amount to be Sold $ 15,000,000          
Common Stock, Par or Stated Value Per Share (in dollars per share) $ 0.001          
Stock Issued During Period, Shares, New Issues (in shares)         0  
B. Riley Principal Capital II, LLC (the “Selling Stockholder”) [Member] | Registration Rights Agreement [Member]            
Stock Issued During Period, Shares, New Issues (in shares) 119,780          
Stock Issued During Period, Value, New Issues $ 150,000