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Note 9 - Agreements (Tables)
3 Months Ended
Mar. 31, 2023
Notes Tables  
Collaborative Arrangement and Arrangement Other than Collaborative [Table Text Block]
  

As of and for the three months ended March 31,

 
  

2023

  

2022

 

Wet distiller's grains sales

 $-  $11,517 

Corn oil sales

  37   2,338 

Corn purchases

  302   44,009 

Accounts receivable

  -   116 

Accounts payable

  -   508