Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2024	Mar. 24, 2025	Jun. 30, 2024
Document Information [Line Items]
Entity Central Index Key	0001131312
Entity Registrant Name	ZION OIL & GAS INC
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2024
Document Transition Report	false
Entity File Number	001-33228
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	20-0065053
Entity Address, Address Line One	12655 N Central Expressway, Suite 1000
Entity Address, City or Town	Dallas
Entity Address, State or Province	TX
Entity Address, Postal Zip Code	75243
City Area Code	214
Local Phone Number	221-4610
Title of 12(g) Security	Common Stock, par value $0.01 per share
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Entity Shell Company	false
Entity Public Float			$ 49,132,000
Entity Common Stock, Shares Outstanding		996,896,867
Auditor Name	RBSM LLP
Auditor Firm ID	587
Auditor Location	Las Vegas, NV