Related Party Transactions (Tables)

12 Months Ended

Dec. 31, 2021

Related Party Transactions [Abstract]

Schedule of Incurred Expenses of Minority Shareholders

Case Western Reserve University (“CWRU”) and each of the three physician inventors of the intellectual property licensed under the CWRU License Agreement (“Physician Inventors”) each hold equity ownership minority interests in Lucid Diagnostics Inc. The expenses incurred with respect to the 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:

	For the year ended December 31,
	2021		2020
Cost of Revenue
CWRU – Royalty Fee	$	25	$	—
General and Administrative Expense
CWRU – License Agreement - Amendment Fee - Milestone III		10		100
Stock-based compensation expense – Physician Inventors’ restricted stock awards		910		—
Research and Development Expense
CWRU License Agreement - reimbursement of patent legal fees		195		250
EsoCheck devices provided to CWRU		—		15
Fees - Physician Inventors’ consulting agreements		29		83
Stock-based compensation expense – Physician Inventors’ stock options		169		23
Total Related Party Expenses	$	1,338	$	471