v3.26.1
Note 5 - Significant Agreements and Contracts (Details Textual) - USD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
Jan. 31, 2026
Aug. 31, 2014
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Aug. 31, 2024
Jan. 31, 2023
Research and Development Expense     $ 5,135,419 $ 4,837,798          
Government Assistance, Asset     21,300,000            
Revenues     0 1,917,491          
Vertex Option and License Agreement [Member]                  
Research and Development Expense   $ 100,000              
Contractual Obligation   $ 117,000,000              
Agreement, Milestone, Period for Net Sales   12 months              
Agreement, Maximum Deduction Percentage of Fees and Payments   50.00%              
Payments for License Agreement   $ 100,000 0 0          
National Institute of Aging Grant [Member]                  
Government Assistance, Asset               $ 300,000 $ 21,000,000
Government Assistance, Income, Increase (Decrease)         $ 6,200,000 $ 8,400,000 $ 6,700,000    
Revenues       $ 1,900,000          
Proceeds From Grants     20,900,000            
Grant Funding Remaining     0            
Deferred Revenue, Current     0   400,000        
Grant Funding Forfeited     $ 200,000            
Grant Amount, Received, Percentage       98.00%          
Grant Amount Canceled, Percentage 2.00%                
Grant Funding Canceled         $ 200,000