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Cover - USD ($)
 12 Months Ended
Dec. 31, 2023
Mar. 18, 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 true    
Amendment Flag false    
Document Period End Date Dec. 31, 2023    
Document Fiscal Year Focus 2023    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference [Text Block]

The Registrant intends to file a definitive proxy statement pursuant to Regulation 14A in connection with its 2023 Annual Meeting of Stockholders within 120 days after the close of the fiscal year covered by this Form 10-K. Portions of such proxy statement are incorporated by reference into Items 10, 11, 12, 13 and 14 of Part III of this report. 

    
Entity Information [Line Items]      
Entity Registrant Name ZION OIL & GAS, INC.    
Entity Central Index Key 0001131312    
Entity File Number 001-33228    
Entity Tax Identification Number 20-0065053    
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 false    
Entity Public Float     $ 38,978,234
Entity Contact Personnel [Line Items]      
Entity Address, Address Line One 12655 N Central Expressway    
Entity Address, Address Line Two Suite 1000    
Entity Address, City or Town Dallas    
Entity Address, State or Province TX    
Entity Address, Postal Zip Code 75243    
Entity Phone Fax Numbers [Line Items]      
City Area Code (214)    
Local Phone Number 221-4610    
Entity Listings [Line Items]      
Title of 12(b) Security Common Stock, par value $0.01 per share    
No Trading Symbol Flag true    
Security Exchange Name NONE    
Entity Common Stock, Shares Outstanding   675,970,252