Annual report [Section 13 and 15(d), not S-K Item 405]

Note 7 - Income Taxes (Details Textual)

v3.26.1
Note 7 - Income Taxes (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ 4,372,000 $ 4,606,000  
Income Tax Expense (Benefit) [1] 800 800  
Unrecognized Tax Benefits 626,228 411,740 $ 335,822
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued 0    
Domestic Tax Jurisdiction [Member]      
Operating Loss Carryforwards 22,575,000    
Domestic Tax Jurisdiction [Member] | Research Tax Credit Carryforward [Member]      
Tax Credit Carryforward, Amount 2,937,000    
State and Local Jurisdiction [Member]      
Operating Loss Carryforwards 22,605,000    
State and Local Jurisdiction [Member] | Research Tax Credit Carryforward [Member]      
Tax Credit Carryforward, Amount 194,000    
General and Administrative Expense [Member]      
Income Tax Expense (Benefit) $ 800 $ 800  
[1] Total provision for income taxes of $800 for each of the years ended December 31, 2025 and 2024, is recorded in general and administrative expenses on the Company’s consolidated statements of operations and comprehensive loss as it is not considered a material amount.