Commitment and Contingencies	12 Months Ended
Dec. 31, 2020
Commitments and Contingencies Disclosure [Abstract]
Commitment and Contingencies	Note 7 — Commitment and Contingencies Rental Agreements - Office Space The Company’s corporate office rental agreement is on a month-to-month basis, with a 5% per annum increase in the monthly lease payment effective February 1 of each year, and the lease agreement may be cancelled with two months written notice. Additionally, the Company additionally has a short-term (one year or less) and a month-to-month office space rental agreements, which may be cancelled with two months written notice. Total rent expense incurred under short-term and /or month-to-month rental agreements for office space was $189 and $143, for the years ended December 31, 2020 and 2019, respectively. As of December 31, 2020, the Company’s minimum lease payments for such office space rental agreements are estimated to be a total of approximately $157 for the period January 1, 2021 to December 31, 2021. Clinical Trials - Agreement with Clinical Research Organization In September 2019, the Company, through its majority-owned subsidiary Lucid Diagnostics Inc., entered into an agreement with a clinical research organization (“CRO”) in connection with EsoGuard clinical trials, referred to as the EsoGuard CRO Agreement. The CRO will assist the Company with conducting two concurrent clinical trials referred to as the “EsoGuard screening study” and the “EsoGuard case control study”. The term of the EsoGuard CRO Agreement is from the September 2019 effective date to the conclusion of the respective clinical trials, but not to exceed 60 months from the effective date of the EsoGuard™ CRO Agreement. The CRO agreement may be cancelled with sixty days written notice, without an early termination fee. Legal Proceedings In November 2020, a stockholder of the Company, on behalf of himself and other similarly situated stockholders, filed a complaint in the Delaware Court of Chancery alleging broker non-votes were not properly counted in accordance with the Company’s bylaws at the Company’s Annual Meeting of Stockholders on July 24, 2020, and, as a result, asserted certain matters deemed to have been approved were not so approved (including matters relating to the increase in the size of the 2014 Equity Plan and the ESPP). The relief sought under the complaint includes certain corrective actions by the Company, but does not seek any specific monetary damages. The Company does not believe it is clear the prior approval of these matters is invalid or otherwise ineffective. However, in order to avoid any uncertainty and to avoid the expense of further litigation, on January 5, 2021, the Company’s Board of Directors determined it would be advisable and in the best interests of the Company and its stockholders to re-submit these proposals to the Company’s stockholders for ratification and/or approval. In this regard, the Company held a special meeting of stockholders on March 4, 2021, at which such matters were ratified and approved. The parties have reached agreement on a proposed term sheet to settle the complaint, the terms of which do not contemplate payment of monetary damages to the putative class in the proceeding. The settlement of the complaint is pending and is subject to court approval. On December 23, 2020, Benchmark Investments, Inc. filed a complaint against the Company in the U.S. District Court of the Southern District of New York alleging the registered direct offerings of shares of common stock of the Company completed in December 2020 were in violation of provisions set forth in an engagement letter between the Company and the plaintiff. The plaintiff is seeking monetary damages of up to $1.3 million. The Company disagrees with the allegations set forth in the complaint and intends to vigorously contest the complaint. In the ordinary course of our business, particularly as it begins commercialization of its products, the Company may be subject to certain other legal actions and claims, including product liability, consumer, commercial, tax and governmental matters, which may arise from time to time. Except as otherwise noted herein, the Company does not believe it is currently a party to any other pending legal proceedings. Notwithstanding, legal proceedings are subject-to inherent uncertainties, and an unfavorable outcome could include monetary damages, and excessive verdicts can result from litigation, and as such, could result in a material adverse impact on the Company’s business, financial position, results of operations, and /or cash flows. Additionally, although the Company has specific insurance for certain potential risks, the Company may in the future incur judgments or enter into settlements of claims which may have a material adverse impact on the Company’s business, financial position, results of operations, and /or cash flows.

Commitment and Contingencies

12 Months Ended

Dec. 31, 2020

Commitments and Contingencies Disclosure [Abstract]

Note 7 — Commitment and Contingencies

Rental Agreements - Office Space

The Company’s corporate office rental agreement is on a month-to-month basis, with a 5% per annum increase in the monthly lease payment effective February 1 of each year, and the lease agreement may be cancelled with two months written notice. Additionally, the Company additionally has a short-term (one year or less) and a month-to-month office space rental agreements, which may be cancelled with two months written notice. Total rent expense incurred under short-term and /or month-to-month rental agreements for office space was $189 and $143, for the years ended December 31, 2020 and 2019, respectively. As of December 31, 2020, the Company’s minimum lease payments for such office space rental agreements are estimated to be a total of approximately $157 for the period January 1, 2021 to December 31, 2021.

Clinical Trials - Agreement with Clinical Research Organization

In September 2019, the Company, through its majority-owned subsidiary Lucid Diagnostics Inc., entered into an agreement with a clinical research organization (“CRO”) in connection with EsoGuard clinical trials, referred to as the EsoGuard CRO Agreement. The CRO will assist the Company with conducting two concurrent clinical trials referred to as the “EsoGuard screening study” and the “EsoGuard case control study”. The term of the EsoGuard CRO Agreement is from the September 2019 effective date to the conclusion of the respective clinical trials, but not to exceed 60 months from the effective date of the EsoGuard™ CRO Agreement. The CRO agreement may be cancelled with sixty days written notice, without an early termination fee.

Legal Proceedings

In November 2020, a stockholder of the Company, on behalf of himself and other similarly situated stockholders, filed a complaint in the Delaware Court of Chancery alleging broker non-votes were not properly counted in accordance with the Company’s bylaws at the Company’s Annual Meeting of Stockholders on July 24, 2020, and, as a result, asserted certain matters deemed to have been approved were not so approved (including matters relating to the increase in the size of the 2014 Equity Plan and the ESPP). The relief sought under the complaint includes certain corrective actions by the Company, but does not seek any specific monetary damages. The Company does not believe it is clear the prior approval of these matters is invalid or otherwise ineffective. However, in order to avoid any uncertainty and to avoid the expense of further litigation, on January 5, 2021, the Company’s Board of Directors determined it would be advisable and in the best interests of the Company and its stockholders to re-submit these proposals to the Company’s stockholders for ratification and/or approval. In this regard, the Company held a special meeting of stockholders on March 4, 2021, at which such matters were ratified and approved. The parties have reached agreement on a proposed term sheet to settle the complaint, the terms of which do not contemplate payment of monetary damages to the putative class in the proceeding. The settlement of the complaint is pending and is subject to court approval.

On December 23, 2020, Benchmark Investments, Inc. filed a complaint against the Company in the U.S. District Court of the Southern District of New York alleging the registered direct offerings of shares of common stock of the Company completed in December 2020 were in violation of provisions set forth in an engagement letter between the Company and the plaintiff. The plaintiff is seeking monetary damages of up to $1.3 million. The Company disagrees with the allegations set forth in the complaint and intends to vigorously contest the complaint.

In the ordinary course of our business, particularly as it begins commercialization of its products, the Company may be subject to certain other legal actions and claims, including product liability, consumer, commercial, tax and governmental matters, which may arise from time to time. Except as otherwise noted herein, the Company does not believe it is currently a party to any other pending legal proceedings. Notwithstanding, legal proceedings are subject-to inherent uncertainties, and an unfavorable outcome could include monetary damages, and excessive verdicts can result from litigation, and as such, could result in a material adverse impact on the Company’s business, financial position, results of operations, and /or cash flows. Additionally, although the Company has specific insurance for certain potential risks, the Company may in the future incur judgments or enter into settlements of claims which may have a material adverse impact on the Company’s business, financial position, results of operations, and /or cash flows.