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Net Sales and Revenue (Tables)
3 Months Ended
Apr. 30, 2022
Revenue from Contract with Customer [Abstract]  
Schedule of Segment Reporting Information, by Segment [Table Text Block]

The following tables shows disaggregated revenue by product (amounts in thousands):

 

   Three Months Ended
April 30,
 
   2022   2021 
Sales of products, continuing operations        
Ethanol  $146,462   $126,069 
Dried distillers grains   31,897    31,119 
Non-food grade corn oil   11,102    5,594 
Modified distillers grains   4,355    2,293 
Derivative financial instruments gains (losses)   322    (1,126) 
Other   90    93 
Total  $194,228   $164,042 
           
Sales of products, discontinued operations:          
Refined coal1  $-   $62 

 

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.