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Note 8 - Share-based Compensation (Details Textual) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2022
Sep. 30, 2022
Dec. 31, 2021
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Fair Value   $ 2,794,169  
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total $ 2,086,381 2,086,381  
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total $ 0 $ 0  
Restricted Stock Units (RSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)   76,755 0
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 (in shares)   14,622  
Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture, Total   $ 46,206  
Share-Based Payment Arrangement, Expense   $ 125,001  
Phantom Share Units (PSUs) [Member]      
Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares)   280,245 0
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)   31,584  
Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation (in shares) 4,108 14,274  
Share-Based Payment Arrangement, Expense   $ 582,787