Nature of Business	3 Months Ended
Mar. 31, 2021
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 identity verification solutions to address challenges that include commercial retail and banking fraud prevention. Intellicheck’s products include ID Check®, a solution for preventing identity fraud across any industry delivered via smartphone, tablet, POS integration or other electronic devices. Intellicheck continues to develop and release innovative products based upon its rich patent portfolio consisting of nineteen issued patents and four pending patents. Liquidity For the three months ended March 31, 2021, the Company incurred a net loss of $1,060,066 and used cash in operations of $471,401. As of March 31, 2021, the Company had cash of $12,611,616, working capital of $13,405,822 and an accumulated deficit of $117,436,781. 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. As of the filing of this Form 10-Q, the COVID-19 pandemic, which first began affecting the Company in the first quarter of 2020, has impacted the Company’s business by a decline in revenues from its customers which will likely continue to impact its business directly and/or indirectly for the foreseeable future. The Company is unable to accurately predict the full impact that the COVID-19 pandemic will have on its results of operations or financial condition due to numerous factors that are not within its control, including the duration and severity of the outbreak together with any potential statewide closures if cases increase, the spread of recently discovered COVID-19 variants and the widespread adoption of vaccination measures. See Part II, Item 1A for more information.

Nature of Business

3 Months Ended

Mar. 31, 2021

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 identity verification solutions to address challenges that include commercial retail and banking fraud prevention. Intellicheck’s products include ID Check®, a solution for preventing identity fraud across any industry delivered via smartphone, tablet, POS integration or other electronic devices.

Intellicheck continues to develop and release innovative products based upon its rich patent portfolio consisting of nineteen issued patents and four pending patents.

Liquidity

For the three months ended March 31, 2021, the Company incurred a net loss of $1,060,066 and used cash in operations of $471,401. As of March 31, 2021, the Company had cash of $12,611,616, working capital of $13,405,822 and an accumulated deficit of $117,436,781. 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.

As of the filing of this Form 10-Q, the COVID-19 pandemic, which first began affecting the Company in the first quarter of 2020, has impacted the Company’s business by a decline in revenues from its customers which will likely continue to impact its business directly and/or indirectly for the foreseeable future. The Company is unable to accurately predict the full impact that the COVID-19 pandemic will have on its results of operations or financial condition due to numerous factors that are not within its control, including the duration and severity of the outbreak together with any potential statewide closures if cases increase, the spread of recently discovered COVID-19 variants and the widespread adoption of vaccination measures.

See Part II, Item 1A for more information.