SeaStar Medical Holding (ICU) 10-K/A 3 Jul 24 2023 FY Annual report (amended) Financial data

Cover Page

Cover Page - USD ($)	12 Months Ended
	Dec. 31, 2023	Jul. 05, 2024	Jul. 03, 2024
Document Information [Line Items]
Document Type	10-K/A
Amendment Flag	true
Amendment Description	SeaStar Medical Holding Corporation (“SeaStar,” the “Company,” “we,” “us,” and “our”) is filing this Amendment No. 2 on Form 10-K/A for the year ended December 31, 2023 (the “Form 10-K/A”) to amend our Annual Report on Form 10-K for the year ended December 31, 2023, originally filed with the Securities and Exchange Commission (the “SEC”) on April 16, 2024 (the “Original Form 10-K”) and amended on April 26, 2024. We are filing this Form 10-K/A to include certain exhibits, including Exhibits 4.5, 4.9, 4.10, 4.11, 4.12, 4.13 and 10.39 which were inadvertently omitted from the Original Form 10-K.Except as described above, no other changes have been made to the Original Form 10-K. This Form 10-K/A does not otherwise update information in the Original Form 10-K to reflect facts or events occurring subsequent to the filing date of the Original Form 10-K. This Form 10-K/A should be read in conjunction with the Original Form 10-K and with any of our filings made with the SEC subsequent to filing of the Original Form 10-K.
Entity Registrant Name	SEASTAR MEDICAL HOLDING CORPORATION
Entity Central Index Key	0001831868
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Year Focus	2023
Entity File Number	001-39927
Document Fiscal Period Focus	FY
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	85-3681132
Entity Address, Address Line One	3513 Brighton Blvd.,
Entity Address, Address Line Two	Suite 410
Entity Address, City or Town	Denver
Entity Address, State or Province	CO
Entity Address, Postal Zip Code	80216
City Area Code	844
Local Phone Number	427-8100
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	true
Document Financial Statement Restatement Recovery Analysis [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 23,606,503
Entity Common Stock, Shares Outstanding		3,221,104
Current Fiscal Year End Date	--12-31
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Stock, $0.0001 par value
Trading Symbol	ICU
Security Exchange Name	NASDAQ
Redeemable Warrants [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for one share of Common Stock for $11.50 per share
Trading Symbol	ICUCW
Security Exchange Name	NASDAQ