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NET SALES AND REVENUE (Tables)
12 Months Ended
Jan. 31, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]
   Fiscal Year 
   2021   2020   2019 
             
Sales of products, continuing operations:               
                
Ethanol  $613,597   $284,191   $321,434 
Dried distillers grains   125,009    71,774    71,755 
Non-food grade corn oil   38,852    15,066    17,135 
Modified distillers grains   9,104    2,626    7,240 
Derivative financial instruments losses   (12,109)   (1,167)   - 
Other   349    174    136 
Total sales  $774,802   $372,664   $417,700 
                
Sales of products, discontinued operations:               
                
Refined coal1  $400   $182   $334 

 

  1 Refined coal sales were recorded net of the cost of coal as the Company purchased the coal feedstock from the customer to which the processed refined coal was sold.