Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 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:

	Years Ended December 31,
	2022		2021
Cost of Revenue
CWRU – Royalty Fees	$	23	$	25
General and Administrative Expense
Amended CWRU – License Agreement - reimbursement of patent legal fees		69		10
Stock-based compensation expense – Physician Inventors’ restricted stock awards		1,095		910
Research and Development Expense
Amended CWRU – License Agreement - reimbursement of patent legal fees		209		195
Fees - Physician Inventors’ consulting agreements		44		29
Sponsored research agreement		6		—
Stock-based compensation expense – Physician Inventors’ stock options		203		169
Total Related Party Expenses	$	1,649	$	1,338