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Note 8 - Share-based Compensation (Details Textual) - USD ($)
9 Months Ended 12 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Dec. 31, 2022
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period 71,788    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value   $ 3,374,002  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount $ 329,131    
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation     14,274
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture     46,206
Share-Based Payment Arrangement, Employee [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period 46,206    
Restricted Stock Units (RSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted     76,755
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) 3 years    
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period 40,204    
Share-Based Payment Arrangement, Expense $ 315,369    
Restricted Stock Units (RSUs) [Member] | Share-Based Payment Arrangement, Employee, Unissued [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period 25,582    
Phantom Share Units (PSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted     280,245
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period 31,584    
Share-Based Payment Arrangement, Expense $ 420,965