Document And Entity Information - shares	6 Months Ended
	Jun. 30, 2017	Aug. 14, 2017
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, 2017
Current Fiscal Year End Date	--12-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		14,981,633
Trading Symbol	IDN
Document Fiscal Period Focus	Q2
Document Fiscal Year Focus	2017