XML 55 R44.htm IDEA: XBRL DOCUMENT v3.21.1
8. Agreements (Details) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Agreements    
Ethanol sales $ 0 $ 24,383
Wet distiller's grains sales 11,035 8,374
Corn oil sales 1,042 928
Corn purchases 37,993 29,214
Accounts receivable 133 60
Accounts payable $ 415 $ 1,749