| Document And Entity Information | Oct. 27, 2021 |
| Document Information [Line Items] | |
| Entity, Registrant Name | RICEBRAN TECHNOLOGIES |
| Document, Type | 8-K |
| Document, Period End Date | Oct. 27, 2021 |
| Entity, Incorporation, State or Country Code | CA |
| Entity, File Number | 0-32565 |
| Entity, Tax Identification Number | 87-0673375 |
| Entity, Address, Address Line One | 25420 Kuykendahl Rd., Suite B300 |
| Entity, Address, City or Town | Tomball |
| Entity, Address, State or Province | TX |
| Entity, Address, Postal Zip Code | 77375 |
| City Area Code | 281 |
| Local Phone Number | 675-2421 |
| Written Communications | false |
| Soliciting Material | false |
| Pre-commencement Tender Offer | false |
| Pre-commencement Issuer Tender Offer | false |
| Title of 12(b) Security | Common stock |
| Trading Symbol | RIBT |
| Security Exchange Name | NASDAQ |
| Entity, Emerging Growth Company | false |
| Amendment Flag | false |
| Entity, Central Index Key | 0001063537 |
