Common Stock and Common Stock Purchase Warrants (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands					1 Months Ended	3 Months Ended
	Feb. 15, 2024	Feb. 15, 2024	Jan. 26, 2024	Jan. 15, 2024	Feb. 28, 2023	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Accumulated Other Comprehensive Income (Loss) [Line Items]
Common stock, shares authorized						50,000,000		50,000,000
Stock issued during period shares ATM facilities						133,299
Stock issued during period value ATM facilities						$ 495
Payments for commissions percentage						3.00%
Warrant price decrease	$ 0.52
Share price	0.37709668	$ 0.37709668
Exercise price	$ 23.48	$ 23.48
Series Z Warrants [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Exercise price						$ 23.48
Class of Warrant or Right, Outstanding								11,937,450
Purchase of warrants								795,830
Exercise price, post reverse-split						$ 24.00
Common Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Common stock, dividends shares			3,331,771			133,299	72,134
Lucid Diagnostics Inc [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Common stock, dividends shares		3,331,747		38
Lucid Diagnostics Inc [Member] | Common Stock [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Common stock, dividends shares				100
April 2022 Senior Convertible Note and September 2022 Senior Convertible Note [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Convertible common stock shares issued upon conversion						112,461
Debt Instrument, Convertible, If-converted Value in Excess of Principal						$ 280
Employee Stock Purchase Plan [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Number of common stock issued						34,332
Minimum [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reverse stock split					1-for-5
Common stock, shares authorized					50,000,000
Minimum [Member] | Series Z Warrants [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Exercise price, post reverse-split						$ 0.52
Maximum [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Reverse stock split					1-for-15
Common stock, shares authorized					250,000,000