Quarterly report pursuant to Section 13 or 15(d)

Organization and Basis of Presentation. (Details)

v3.21.1
Organization and Basis of Presentation. (Details) - USD ($)
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Accounting Policies [Abstract]      
Accounts receivable balance $ 51,301,000   $ 35,839,000
Allowance for doubtful accounts 351,000   $ 260,000
Bad debt expense $ 91,000 $ 19,000  
Combined Production Capacity, Description The Company sells specialty alcohols to large consumer products companies, sells fuel-grade ethanol to gasoline refining and distribution companies, sells essential ingredients to animal feed customers, including distillers grains and other feed co-products to dairy operators and animal feedlots and corn oil to poultry and biodiesel customers generally without requiring collateral.