Quarterly report pursuant to Section 13 or 15(d)

Note 10 - Share-based Compensation (Details Textual)

v3.25.0.1
Note 10 - Share-based Compensation (Details Textual) - USD ($)
1 Months Ended 3 Months Ended
Oct. 31, 2016
Oct. 31, 2016
Dec. 31, 2024
Dec. 31, 2023
Jun. 30, 2022
Mar. 31, 2018
Jul. 31, 2017
Share-Based Payment Arrangement, Expense     $ 2,674,105 $ 3,406,949      
Share Price (in dollars per share)     $ 0.65        
Share-Based Payment Arrangement, Option [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year)     3 years        
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)     10 years        
Share-Based Payment Arrangement, Expense     $ 300,000 $ 1,100,000      
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount     $ 7,700,000        
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)     1 year 8 months 12 days        
Stock Appreciation Rights (SARs) [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period (Year)   10 years          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Exercise Price (in dollars per share)   $ 0.95          
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period (in shares)     50,000        
Stock Appreciation Rights (SARs) [Member] | Share-Based Payment Arrangement, Employee [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)   50,000          
Stock Appreciation Rights (SARs) [Member] | Share-Based Payment Arrangement, Nonemployee [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares) 140,000            
The 2022 Employment Inducement Equity Incentive Plan [Member]              
Common Stock, Capital Shares Reserved for Future Issuance (in shares)         4,000,000    
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)     4,000,000        
The 2018 Equity Incentive Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)     1,911,246        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)           18,500,000  
The 2017 Equity Incentive Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)     198,948        
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)             4,700,000
The 2008 Stock Incentive Plan [Member]              
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant (in shares)             0