Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2020	Nov. 16, 2020
Document And Entity Information
Entity Registrant Name	FLEXPOINT SENSOR SYSTEMS INC
Entity Central Index Key	0000925660
Document Type	10-Q
Document Period End Date	Sep. 30, 2020
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Common Stock, Shares Outstanding		99,713,464
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2020
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Incorporation, State or Country Code	DE
Entity File Number	0-24368
Document Quarterly Report	true
Document Transition Report	false