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

Note 4 - Capital Stock (Details Textual)

v3.25.1
Note 4 - Capital Stock (Details Textual)
 12 Months Ended
Dec. 23, 2024
USD ($)
$ / shares
shares
Oct. 30, 2024
USD ($)
$ / shares
shares
Aug. 05, 2024
shares
Dec. 31, 2024
USD ($)
$ / shares
shares
Dec. 31, 2023
USD ($)
$ / shares
shares
Aug. 12, 2024
shares
Jun. 30, 2024
shares
Jan. 04, 2023
USD ($)
Apr. 20, 2022
USD ($)
Mar. 31, 2022
shares
Apr. 30, 2020
shares
Oct. 31, 2017
shares
Apr. 30, 2016
shares
Common Stock, Shares Authorized (in shares)       40,000,000 40,000,000                
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares       $ 0.001 $ 0.001                
Common Stock, Shares, Outstanding (in shares)       6,102,560 2,980,900                
Shares Issued, Price Per Share (in dollars per share) | $ / shares $ 23.79                        
Proceeds from Issuance of Common Stock | $       $ 4,202,245 $ 2,074,196                
Common Stock, Shares, Issued (in shares)       6,102,560 2,980,900                
Pre-funded Warrants [Member]                          
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in shares) 882,761                        
Class of Pre-Warrant or Right, Price Per Share (in dollars per share) | $ / shares $ 23.789                        
Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) | $ / shares $ 0.001                        
Class of Pre-Warrant or Right, Number, Securities Purchase Agreement (in shares) 882,761                        
Class of Pre-Warrant or Right, Issued (in shares) 882,761                        
Class of Pre-Warrant or Right, Maximum Beneficial Ownership Percentage 9.99%                        
Class of Warrant or Right, Outstanding (in shares)       882,761                  
JonesTrading Institutional Services LLC [Member] | Capital on Demand Sales Agreement [Member]                          
Equity Offering, Maximum Offering Amount | $               $ 6,505,642          
Stock Issued During Period, Shares, New Issues (in shares)       557,761 358,690                
Shares Issued, Price Per Share (in dollars per share) | $ / shares       $ 7.73 $ 6.05                
Capital on Demand Sales Agreement [Member] | JonesTrading Institutional Services LLC [Member]                          
Equity Offering, Maximum Offering Amount | $                 $ 4,870,000        
Proceeds from Issuance of Common Stock | $       $ 4,202,245 $ 2,116,435                
Payments of Stock Issuance Costs | $       $ 107,806 54,298                
Legal Fees | $         43,932                
Proceeds from Issuance of Common Stock, Net | $         $ 2,072,504                
Purchase Agreement [Member]                          
Stock Issued During Period, Shares, New Issues (in shares)   1,181,540                      
Shares Issued, Price Per Share (in dollars per share) | $ / shares   $ 16.25                      
Proceeds from Issuance of Common Stock | $   $ 17,800,000                      
Underwriting Agreement [Member]                          
Stock Issued During Period, Shares, New Issues (in shares) 798,655                        
Shares Issued, Price Per Share (in dollars per share) | $ / shares $ 23.79                        
Proceeds from Issuance or Sale of Equity | $ $ 37,400,000                        
Monopar Therapeutics Inc. 2016 Stock Incentive Plan [Member]                          
Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares)     7,100,000     1,420,000 5,100,000     1,020,000 620,000 320,000 140,000
Common Stock, Shares, Outstanding (in shares)           3,520,427 17,601,827            
Monopar Therapeutics Inc. 2016 Stock Incentive Plan [Member] | Reverse Stock Split [Member]                          
Stockholders' Equity Note, Stock Split, Conversion Ratio     5