Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	May 02, 2024	Jun. 30, 2023
Document Information [Line Items]
Document Type	10-K
Document Annual Report	true
Document Transition Report	false
Document Financial Statement Error Correction [Flag]	false
Entity Interactive Data Current	Yes
ICFR Auditor Attestation Flag	false
Amendment Flag	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	FY
Entity Information [Line Items]
Entity Registrant Name	HNR ACQUISITION CORP
Entity Central Index Key	0001842556
Entity File Number	001-41278
Entity Tax Identification Number	85-4359124
Entity Incorporation, State or Country Code	DE
Current Fiscal Year End Date	--12-31
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Shell Company	false
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	true
Entity Ex Transition Period	false
Entity Public Float			$ 47.9
Entity Contact Personnel [Line Items]
Entity Address, Address Line One	3730 Kirby Drive
Entity Address, Address Line Two	Suite 1200
Entity Address, City or Town	Houston
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	77098
Entity Phone Fax Numbers [Line Items]
City Area Code	(713)
Local Phone Number	834-1145
Class A Common Stock, par value $0.0001 per share
Entity Listings [Line Items]
Title of 12(b) Security	Class A Common Stock, par value $0.0001 per share
Trading Symbol	HNRA
Security Exchange Name	NYSEAMER
Warrants, each whole warrant exercisable for three quarters of one share of Class A Common Stock at an exercise price of $11.50 per whole share
Entity Listings [Line Items]
Title of 12(b) Security	Warrants, each whole warrant exercisable for three quarters of one share of Class A Common Stock at an exercise price of $11.50 per whole share
Trading Symbol	HNRAW
Security Exchange Name	NYSEAMER
Class A Common Stock
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding		5,235,131
Class B Common Stock
Entity Listings [Line Items]
Entity Common Stock, Shares Outstanding		1,800,000