Note 7 - Intangible Assets (Details Textual)	Dec. 31, 2023	Apr. 04, 2019
Finite-Lived Intangible Assets, Remaining Amortization Period (Year)	8 years 10 months 24 days
Customer Relationships [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	15 years
Customer Relationships [Member] | MGI Grain Processing, LLC [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		15 years