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Cover
May 13, 2024
May 09, 2024
May 08, 2024
Cover [Abstract]      
Document Type 8-K    
Document Period End Date     May 08, 2024
Entity Registrant Name Intellicheck, Inc.    
Entity Incorporation, State or Country Code DE    
Entity File Number 001-15465    
Entity Tax Identification Number 11-3234779    
Entity Address, Address Line One 200 Broadhollow Road    
Entity Address, Address Line Two Suite 207    
Entity Address, City or Town Melville    
Entity Address, State or Province NY    
Entity Address, Postal Zip Code 11747    
City Area Code   516  
Local Phone Number   992-1900  
Written Communications false    
Soliciting Material false    
Pre-commencement Tender Offer false    
Pre-commencement Issuer Tender Offer false    
Title of 12(b) Security Common Stock, $.001 par value    
Trading Symbol IDN    
Security Exchange Name NASDAQ    
Entity Emerging Growth Company false    
Amendment Flag false    
Entity Central Index Key 0001040896