v3.25.2
Cover - shares
 12 Months Ended
Dec. 31, 2024
Aug. 25, 2025
Document Information [Line Items]    
Document Type 20-F  
Document Registration Statement false  
Document Annual Report true  
Document Transition Report false  
Document Financial Statement Error Correction [Flag] false  
Document Shell Company Report false  
Entity Interactive Data Current Yes  
Document Accounting Standard U.S. GAAP  
ICFR Auditor Attestation Flag false  
Amendment Flag false  
Document Period End Date Dec. 31, 2024  
Document Fiscal Year Focus 2024  
Document Fiscal Period Focus FY  
Entity Information [Line Items]    
Entity Registrant Name Check-Cap Ltd.  
Entity Central Index Key 0001610590  
Entity File Number 001-36848  
Entity Incorporation, State or Country Code L3  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer No  
Entity Voluntary Filers No  
Entity Current Reporting Status Yes  
Entity Shell Company false  
Entity Filer Category Non-accelerated Filer  
Entity Emerging Growth Company false  
Entity Contact Personnel [Line Items]    
Entity Address, Address Line One 29 Abba Hushi Avenue  
Entity Address, Address Line Two P.O. Box 1271  
Entity Address, City or Town Isfiya  
Entity Address, Country IL  
Entity Address, Postal Zip Code 3009000  
Entity Listings [Line Items]    
Title of 12(b) Security Ordinary Shares, par value NIS 48.00  
Trading Symbol CHEK  
Security Exchange Name NASDAQ  
Entity Common Stock, Shares Outstanding   5,850,906
Business Contact [Member]    
Entity Contact Personnel [Line Items]    
Contact Personnel Name David Lontini  
Contact Personnel Email Address david@londacorp.com  
Entity Address, Address Line One 29 Abba Hushi Avenue  
Entity Address, Address Line Two P.O. Box 1271  
Entity Address, City or Town Isfiya  
Entity Address, Country IL  
Entity Address, Postal Zip Code 3009000  
Entity Phone Fax Numbers [Line Items]    
City Area Code +1 (647)  
Local Phone Number 892-9516