Note 15 - Related Party Transactions (Details Textual) - Continental Grain Company [Member]	3 Months Ended
Mar. 31, 2022
Related Party, Right to Designate to Board of Directors, Number of Nominees	1
RiceBran Technologies [Member]
Ownership Percentage	17.70%

Refers to the number of nominees the related party has a right to designate as a member of the board of directors (BOD).

No definition available.

Name:	ribt_RelatedPartyRightToDesignateToBoardOfDirectorsNumberOfNominees
Namespace Prefix:	ribt_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration