Nature of Business	12 Months Ended
Dec. 31, 2017
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Business	1 NATURE OF BUSINESS Business Intellicheck, Inc. (the “Company” or “Intellicheck”) is a leading technology company that is engaged in developing, integrating and marketing threat identification and identity authentication solutions to address challenges that include retail fraud prevention, law enforcement threat identification, and mobile and handheld access control and security for the government, military and commercial markets. Intellicheck’s products include Retail ID™, the industry leading solution for preventing fraud in the retail industry; Age ID™, a smartphone or tablet-based solution for preventing sale of age-restricted products to minors; Law ID™, a smartphone-based solution used by law enforcement officers to identify and mitigate threats; and Defense ID®, a mobile and fixed infrastructure solution for threat identification, identity authentication and access control to military bases and other government facilities. Intellicheck continues to develop and release innovative products based upon its rich patent portfolio consisting of over 25 patents. Liquidity For the year ended December 31, 2017, the Company incurred a net loss of $6,020,505 and used cash in operations of $3,745,285. As of December 31, 2017, the Company had cash of $8,010,161 and an accumulated deficit of $110,422,825. On August 4, 2017, the Company completed a public offering of 4,168,750 shares of its common stock, offered to the public at $2.25 per share resulting in net proceeds to the Company of approximately $8,578,000 after deducting underwriter’s discounts and commissions paid by the Company. Intellicheck intends to use these net proceeds for general corporate purposes including product development in key markets, the integration of new features into existing new products and expansion of its sales force and engineering personnel. Based on the Company’s business plan and cash resources, Intellicheck expects its existing and future resources and revenues generated from operations to satisfy its working capital requirements for at least the next 12 months. However, if performance expectations fall short or expenses exceed expectations, the Company may need to secure additional financing or reduce expenses to continue operations. Failure to do so would have a material adverse impact on its financial condition. There can be no assurance that any contemplated additional financing will be available on terms acceptable, if at all. If required, the Company believes it would be able to reduce expenses to a sufficient level to continue as a going concern. Principles of Consolidation The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries, Mobilisa, Inc. (“Mobilisa”) and Positive Access Corporation (“Positive Access”). All intercompany balances and transactions have been eliminated upon consolidation.

Nature of Business

12 Months Ended

Dec. 31, 2017

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1 NATURE OF BUSINESS

Business

Intellicheck, Inc. (the “Company” or “Intellicheck”) is a leading technology company that is engaged in developing, integrating and marketing threat identification and identity authentication solutions to address challenges that include retail fraud prevention, law enforcement threat identification, and mobile and handheld access control and security for the government, military and commercial markets. Intellicheck’s products include Retail ID™, the industry leading solution for preventing fraud in the retail industry; Age ID™, a smartphone or tablet-based solution for preventing sale of age-restricted products to minors; Law ID™, a smartphone-based solution used by law enforcement officers to identify and mitigate threats; and Defense ID®, a mobile and fixed infrastructure solution for threat identification, identity authentication and access control to military bases and other government facilities.

Intellicheck continues to develop and release innovative products based upon its rich patent portfolio consisting of over 25 patents.

Liquidity

For the year ended December 31, 2017, the Company incurred a net loss of $6,020,505 and used cash in operations of $3,745,285. As of December 31, 2017, the Company had cash of $8,010,161 and an accumulated deficit of $110,422,825. On August 4, 2017, the Company completed a public offering of 4,168,750 shares of its common stock, offered to the public at $2.25 per share resulting in net proceeds to the Company of approximately $8,578,000 after deducting underwriter’s discounts and commissions paid by the Company. Intellicheck intends to use these net proceeds for general corporate purposes including product development in key markets, the integration of new features into existing new products and expansion of its sales force and engineering personnel. Based on the Company’s business plan and cash resources, Intellicheck expects its existing and future resources and revenues generated from operations to satisfy its working capital requirements for at least the next 12 months.

However, if performance expectations fall short or expenses exceed expectations, the Company may need to secure additional financing or reduce expenses to continue operations. Failure to do so would have a material adverse impact on its financial condition. There can be no assurance that any contemplated additional financing will be available on terms acceptable, if at all. If required, the Company believes it would be able to reduce expenses to a sufficient level to continue as a going concern.

Principles of Consolidation

The consolidated financial statements include the accounts of the Company and its wholly owned subsidiaries, Mobilisa, Inc. (“Mobilisa”) and Positive Access Corporation (“Positive Access”). All intercompany balances and transactions have been eliminated upon consolidation.