v3.25.2
Note 2 - Summary of Significant Accounting Policies and Basis of Presentation (Details Textual)
3 Months Ended 6 Months Ended
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Dec. 31, 2024
USD ($)
Working Capital $ 1,300,000   $ 1,300,000    
Retained Earnings (Accumulated Deficit) (176,759,500)   (176,759,500)   $ (164,273,050)
Cash 10,400,000   10,400,000    
Net Income (Loss) Attributable to Parent (6,053,610) $ (7,859,919) (12,486,450) $ (15,293,527)  
Net Income (Loss) Attributable to Parent 6,053,610 $ 7,859,919 12,486,450 $ 15,293,527  
Cash, Uninsured Amount 1,008,087   1,008,087   $ 937,004
Financing for Liability Insurance Policy Premiums [Member]          
Debt Instrument, Face Amount $ 458,154   $ 458,154    
Debt Instrument, Interest Rate, Stated Percentage 7.90%   7.90%    
Research and Development Costs [Member] | Supplier Concentration Risk [Member]          
Number of Vendors 2 4 4 4  
Research and Development Costs [Member] | Supplier Concentration Risk [Member] | Vendor One [Member]          
Concentration Risk, Percentage 45.00% 30.00% 42.00% 27.00%  
Research and Development Costs [Member] | Supplier Concentration Risk [Member] | Vendor Two [Member]          
Concentration Risk, Percentage 11.00% 16.00%      
Research and Development Costs [Member] | Supplier Concentration Risk [Member] | Vendor Three [Member]          
Concentration Risk, Percentage   15.00%      
Research and Development Costs [Member] | Supplier Concentration Risk [Member] | Vendor Four [Member]          
Concentration Risk, Percentage   14.00%   12.00%