Cover - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Mar. 01, 2024	Jun. 30, 2023
Cover [Abstract]
Entity Registrant Name	NOBLE ROMAN’S, INC.
Entity Central Index Key	0000709005
Document Type	10-K
Amendment Flag	false
Entity Voluntary Filers	No
Current Fiscal Year End Date	--12-31
Entity Well Known Seasoned Issuer	No
Entity Small Business	true
Entity Shell Company	false
Entity Emerging Growth Company	false
Entity Current Reporting Status	Yes
Document Period End Date	Dec. 31, 2023
Entity Filer Category	Non-accelerated Filer
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Entity Common Stock Shares Outstanding		22,215,512
Entity Public Float			$ 3,140
Document Annual Report	true
Document Transition Report	false
Document Fin Stmt Error Correction Flag	false
Entity File Number	0-11104
Entity Incorporation State Country Code	IN
Entity Tax Identification Number	35-1281154
Entity Address Address Line 1	6612 E
Entity Address Address Line 2	75th Street
Entity Address Address Line 3	Suite 450
Entity Address City Or Town	Indianapolis
Entity Address State Or Province	IN
Entity Address Postal Zip Code	46250
City Area Code	317
Icfr Auditor Attestation Flag	false
Local Phone Number	634-3377
Entity Interactive Data Current	Yes
Auditor Location	Margate, Florida
Auditor Name	Assurance Dimensions
Auditor Firm Id	5036