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Note 13 - Fair Value Measurement of Convertible Note Payable (Details Textual) - The Note [Member] - USD ($)
9 Months Ended 12 Months Ended
Dec. 22, 2022
Sep. 30, 2023
Dec. 31, 2022
Debt Instrument, Face Amount   $ 2,200,000 $ 2,200,000
Senior Secured Promissory Note [Member]      
Debt Instrument, Face Amount $ 2,200,000 $ 2,200,000 $ 2,200,000
Debt Instrument, Interest Rate, Stated Percentage 10.00% 12.00% 10.00%
Debt Instrument, Interest Rate, Default 18.00% 18.00% 18.00%
Debt Instrument, Default, Percentage Increase In Principal 30.00% 30.00% 30.00%
Debt Instrument, Likelihood of Default   50.00% 50.00%
Senior Secured Promissory Note [Member] | Measurement Input, Discount Rate [Member]      
Debt Instrument, Measurement Input   14.03 0.1518
Senior Secured Promissory Note [Member] | Weighted Average [Member]      
Debt Instrument, Interest Rate, Stated Percentage   14.03%