Nature of Business	3 Months Ended
Mar. 31, 2019
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Nature of Business	1. NATURE OF BUSINESS Business Intellicheck, Inc. (the “Company” or “Intellicheck”) is a prominent 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®, a 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 eighteen issued patents and six pending. Liquidity For the three months ended March 31, 2019, the Company incurred a net loss of $1,212,991 and used cash in operations of $542,249. As of March 31, 2019, the Company had cash of $3,840,600, working capital of $3,356,627 and an accumulated deficit of $115,599,392. Based on the Company’s business plan and cash resources, Intellicheck expects its existing and future resources and revenues generated from operations and current level of expenses 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. Merging of Subsidiaries On December 31, 2018, the Company merged its wholly owned subsidiaries, Mobilisa, Inc. and Positive Access Corporation into one company under Intellicheck. As of and prior to December 31, 2018, the financial statements are consolidated and include the accounts of Intellicheck and these subsidiaries. All intercompany balances and transactions have been eliminated upon consolidation.

Nature of Business

3 Months Ended

Mar. 31, 2019

Organization, Consolidation and Presentation of Financial Statements [Abstract]

1. NATURE OF BUSINESS

Business

Intellicheck, Inc. (the “Company” or “Intellicheck”) is a prominent 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®, a 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 eighteen issued patents and six pending.

Liquidity

For the three months ended March 31, 2019, the Company incurred a net loss of $1,212,991 and used cash in operations of $542,249. As of March 31, 2019, the Company had cash of $3,840,600, working capital of $3,356,627 and an accumulated deficit of $115,599,392. Based on the Company’s business plan and cash resources, Intellicheck expects its existing and future resources and revenues generated from operations and current level of expenses 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.

Merging of Subsidiaries

On December 31, 2018, the Company merged its wholly owned subsidiaries, Mobilisa, Inc. and Positive Access Corporation into one company under Intellicheck. As of and prior to December 31, 2018, the financial statements are consolidated and include the accounts of Intellicheck and these subsidiaries. All intercompany balances and transactions have been eliminated upon consolidation.