Document and Entity Information - USD ($)
12 Months Ended
Dec. 31, 2018
Feb. 22, 2019
Jun. 30, 2018
Document And Entity Information      
Entity Registrant Name Intec Pharma Ltd.    
Entity Central Index Key 0001638381    
Document Type 10-K    
Trading Symbol NTEC    
Document Period End Date Dec. 31, 2018    
Amendment Flag false    
Current Fiscal Year End Date --12-31    
Entity's Reporting Status Current Yes    
Entity a Well-known Seasoned Issuer No    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2018    
Entity a Voluntary Filer No    
Entity Shell Company false    
Entity Small Business true    
Entity Emerging Growth Company true    
Entity Ex Transition Period true    
Entity Filer Category Accelerated Filer    
Entity Public Float     $ 145,373,536
Entity Common Stock, Shares Outstanding   33,232,988