Quarterly report pursuant to Section 13 or 15(d)

Cover Page

v3.21.2
Cover Page - shares
9 Months Ended
Sep. 30, 2021
Nov. 10, 2021
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Entity Interactive Data Current Yes  
Document Period End Date Sep. 30, 2021  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q3  
Trading Symbol CFRX  
Entity Registrant Name CONTRAFECT Corp  
Entity Central Index Key 0001478069  
Current Fiscal Year End Date --12-31  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Current Reporting Status Yes  
Entity Emerging Growth Company false  
Title of 12(b) Security Common Stock  
Security Exchange Name NASDAQ  
Entity Shell Company false  
Entity File Number 001-36577  
Entity Tax Identification Number 39-2072586  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 28 Wells Avenue  
Entity Address, Address Line Two 3rd Floor  
Entity Address, City or Town Yonkers  
Entity Address, State or Province NY  
Entity Address, Postal Zip Code 10701  
City Area Code 914  
Local Phone Number 207-2300  
Entity Common Stock, Shares Outstanding   39,332,721
Document Quarterly Report true  
Document Transition Report false