XML 11 R1.htm IDEA: XBRL DOCUMENT v3.10.0.1
Document And Entity Information - shares
6 Months Ended
Jun. 30, 2018
Aug. 14, 2018
Document And Entity Information [Abstract]    
Entity Registrant Name Intellicheck, Inc.  
Entity Central Index Key 0001040896  
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Jun. 30, 2018  
Current Fiscal Year End Date --12-31  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   15,632,196
Trading Symbol IDN  
Document Fiscal Period Focus Q2  
Document Fiscal Year Focus 2018