| 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/A | ||
| Amendment Flag | true | ||
| 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 | 2024 | ||
| 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 | ||
| Amendment Description | NA |
