Annual report pursuant to Section 13 and 15(d)

Cover Page

Cover Page - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2022
Mar. 24, 2023
Jun. 30, 2022
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Entity Interactive Data Current Yes    
Document Period End Date Dec. 31, 2022    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Trading Symbol CFRX    
Entity Registrant Name ContraFect Corporation    
Entity Central Index Key 0001478069    
Current Fiscal Year End Date --12-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Current Reporting Status Yes    
Entity Emerging Growth Company false    
Entity Public Float     $ 120.8
Title of 12(b) Security Common Stock, Par Value $0.0001 per share    
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   1,565,920  
Document Annual Report true    
Document Transition Report false    
ICFR Auditor Attestation Flag false    
Auditor Name Ernst & Young, LLP    
Auditor Firm ID 42    
Auditor Location Hartford, Connecticut