Annual report pursuant to Section 13 and 15(d)

Note 2 - Summary of Significant Accounting Policies (Details Textual)

v3.24.1
Note 2 - Summary of Significant Accounting Policies (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Nov. 30, 2019
Accounts Receivable, Allowance for Credit Loss $ 0    
Impairment of Intangible Assets, Finite-Lived 0 $ 937  
Revenue from Contract with Customer, Including Assessed Tax $ 198,871 $ 203,269  
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,597,898 1,598,034  
Pre Funded Warrant [Member]      
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share)     $ 0.001
Development Revenue [Member]      
Revenue from Contract with Customer, Including Assessed Tax $ 161,483 $ 0  
Grant [Member]      
Revenue from Contract with Customer, Including Assessed Tax $ 37,388 $ 203,269  
Patents [Member]      
Finite-Lived Intangible Asset, Useful Life 20 years    
Other Intangible Assets [Member] | Minimum [Member]      
Finite-Lived Intangible Asset, Useful Life 11 years    
Other Intangible Assets [Member] | Maximum [Member]      
Finite-Lived Intangible Asset, Useful Life 17 years