Related Party Transactions (Tables)

9 Months Ended

Sep. 30, 2022

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 consolidated statement of operations for the periods indicated are summarized as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2022		2021		2022		2021
Cost of Revenue
CWRU – Royalty Fee	$	4	$	10	$	13	$	10
General and Administrative Expense
CWRU – License Agreement - Amendment Fee - Milestone III		—		10		—		10
Stock-based compensation expense – Physician Inventors’ restricted stock awards		275		273		819		637
Research and Development Expense
Amended CWRU License Agreement - reimbursement of patent legal fees		—		82		209		195
Fees - Physician Inventors’ consulting agreements		15		8		32		22
Sponsored research agreement		4		—		6		—
Stock-based compensation expense – Physician Inventors’ stock options		52		56		151		114
Total Related Party Expenses	$	350	$	439	$	1,230	$	988