Document and Entity Information	6 Months Ended
	Jun. 30, 2019
Document and Entity Information [Abstract]
Document Type	6-K
Document Period End Date	Jun. 30, 2019
Amendment Flag	false
Entity Registrant Name	Check-Cap Ltd
Entity Central Index Key	0001610590
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2019
Document Fiscal Period Focus	Q2