Related Party Transactions (Tables)

3 Months Ended

Mar. 31, 2023

Related Party Transactions [Abstract]

Schedule of Incurred Expenses of Minority Shareholders

Case Western Reserve University (“CWRU”) and each of the three physician inventors (“Physician Inventors”) of the intellectual property licensed under the amended and restated patent license agreement with CWRU, dated August 23, 2021 (the “Amended CWRU License Agreement”), each hold a minority equity ownership interest in Lucid Diagnostics Inc. The expenses incurred with respect to the Amended CWRU License Agreement and the three Physician Inventors, as classified in the accompanying unaudited condensed consolidated statement of operations for the periods indicated are summarized as follows:

	Three Months Ended March 31,
	2023		2022
Cost of Revenue
CWRU – Royalty Fees	$	24	$	9
General and Administrative Expense
Stock-based compensation expense – Physician Inventors’ restricted stock awards		180		272
Research and Development Expense
Amended CWRU – License Agreement - reimbursement of patent legal fees		389		—
Fees - Physician Inventors’ consulting agreements		1		8
Sponsored research agreement		—		3
Stock-based compensation expense – Physician Inventors’ stock options		52		46
Total Related Party Expenses	$	646	$	338