Quarterly report pursuant to Section 13 or 15(d)

Document And Entity Information

v3.23.3
Document And Entity Information - shares
 9 Months Ended
Sep. 30, 2023
Nov. 07, 2023
Document Information [Line Items]    
Entity Central Index Key 0001645469  
Entity Registrant Name Monopar Therapeutics Inc.  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2023  
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Sep. 30, 2023  
Document Transition Report false  
Entity File Number 001-39070  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 32-0463781  
Entity Address, Address Line One 1000 Skokie Blvd., Suite 350  
Entity Address, City or Town Wilmette  
Entity Address, State or Province IL  
Entity Address, Postal Zip Code 60091  
City Area Code 847  
Local Phone Number 388-0349  
Title of 12(b) Security Common Stock, $0.001 par value  
Trading Symbol MNPR  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period true  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   14,866,400