| SEGMENTS. | 
   
The
Company reports its financial and operating performance in two segments: (1) ethanol production, which includes the production
and sale of ethanol, specialty alcohols and co-products, with all of the Company’s production facilities aggregated, and
(2) marketing and distribution, which includes marketing and merchant trading for Company-produced ethanol, specialty alcohols
and co-products and third-party ethanol. 
  
The
following tables set forth certain financial data for the Company’s operating segments (in thousands): 
  
    |   | 
      | 
    Three
    Months Ended June 30, | 
      | 
      | 
    Six
    Months Ended June 30, | 
      | 
 
    |   | 
      | 
    2019 | 
      | 
      | 
    2018 | 
      | 
      | 
    2019 | 
      | 
      | 
    2018 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Net
    Sales | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Production, recorded
    as gross: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Ethanol/alcohol
    sales | 
      | 
    $ | 
    194,394 | 
      | 
      | 
    $ | 
    233,888 | 
      | 
      | 
    $ | 
    373,783 | 
      | 
      | 
    $ | 
    453,517 | 
      | 
 
    | Co-product
    sales | 
      | 
      | 
    64,679 | 
      | 
      | 
      | 
    78,514 | 
      | 
      | 
      | 
    133,485 | 
      | 
      | 
      | 
    153,048 | 
      | 
 
    | Intersegment
    sales | 
      | 
      | 
    421 | 
      | 
      | 
      | 
    539 | 
      | 
      | 
      | 
    784 | 
      | 
      | 
      | 
    1,013 | 
      | 
 
    | Total
    production sales | 
      | 
      | 
    259,494 | 
      | 
      | 
      | 
    312,941 | 
      | 
      | 
      | 
    508,052 | 
      | 
      | 
      | 
    607,578 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Marketing
    and distribution: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Ethanol/alcohol
    sales, gross | 
      | 
    $ | 
    86,754 | 
      | 
      | 
    $ | 
    97,634 | 
      | 
      | 
    $ | 
    193,908 | 
      | 
      | 
    $ | 
    203,063 | 
      | 
 
    | Ethanol/alcohol
    sales, net | 
      | 
      | 
    474 | 
      | 
      | 
      | 
    486 | 
      | 
      | 
      | 
    928 | 
      | 
      | 
      | 
    921 | 
      | 
 
    | Intersegment
    sales | 
      | 
      | 
    1,942 | 
      | 
      | 
      | 
    2,330 | 
      | 
      | 
      | 
    3,760 | 
      | 
      | 
      | 
    4,555 | 
      | 
 
    | Total
    marketing and distribution sales | 
      | 
      | 
    89,170 | 
      | 
      | 
      | 
    100,450 | 
      | 
      | 
      | 
    198,596 | 
      | 
      | 
      | 
    208,539 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Intersegment
    eliminations | 
      | 
      | 
    (2,363 | 
    ) | 
      | 
      | 
    (2,869 | 
    ) | 
      | 
      | 
    (4,544 | 
    ) | 
      | 
      | 
    (5,568 | 
    ) | 
 
    | Net
    sales as reported | 
      | 
    $ | 
    346,301 | 
      | 
      | 
    $ | 
    410,522 | 
      | 
      | 
    $ | 
    702,104 | 
      | 
      | 
    $ | 
    810,549 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 
Cost
    of goods sold: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Production | 
      | 
    $ | 
    257,187 | 
      | 
      | 
    $ | 
    320,631 | 
      | 
      | 
    $ | 
    515,782 | 
      | 
      | 
    $ | 
    619,064 | 
      | 
 
    | Marketing
    and distribution | 
      | 
      | 
    87,741 | 
      | 
      | 
      | 
    94,203 | 
      | 
      | 
      | 
    189,569 | 
      | 
      | 
      | 
    195,135 | 
      | 
 
    | Intersegment
    eliminations | 
      | 
      | 
    (2,598 | 
    ) | 
      | 
      | 
    (3,039 | 
    ) | 
      | 
      | 
    (4,929 | 
    ) | 
      | 
      | 
    (5,739 | 
    ) | 
 
    | Cost
    of goods sold as reported | 
      | 
    $ | 
    342,330 | 
      | 
      | 
    $ | 
    411,795 | 
      | 
      | 
    $ | 
    700,422 | 
      | 
      | 
    $ | 
    808,460 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 
Income
    (loss) before benefit for income taxes: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Production | 
      | 
    $ | 
    (7,117 | 
    ) | 
      | 
    $ | 
    (17,339 | 
    ) | 
      | 
    $ | 
    (24,683 | 
    ) | 
      | 
    $ | 
    (29,609 | 
    ) | 
 
    | Marketing
    and distribution | 
      | 
      | 
    (129 | 
    ) | 
      | 
      | 
    4,929 | 
      | 
      | 
      | 
    5,989 | 
      | 
      | 
      | 
    10,677 | 
      | 
 
    | Corporate
    activities | 
      | 
      | 
    (1,044 | 
    ) | 
      | 
      | 
    (2,194 | 
    ) | 
      | 
      | 
    (3,757 | 
    ) | 
      | 
      | 
    (5,732 | 
    ) | 
 
    |   | 
      | 
    $ | 
    (8,290 | 
    ) | 
      | 
    $ | 
    (14,604 | 
    ) | 
      | 
    $ | 
    (22,451 | 
    ) | 
      | 
    $ | 
    (24,664 | 
    ) | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 
Depreciation
    and amortization: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Production | 
      | 
    $ | 
    10,199 | 
      | 
      | 
    $ | 
    10,045 | 
      | 
      | 
    $ | 
    23,681 | 
      | 
      | 
    $ | 
    19,977 | 
      | 
 
    | Corporate
    activities | 
      | 
      | 
    113 | 
      | 
      | 
      | 
    208 | 
      | 
      | 
      | 
    234 | 
      | 
      | 
      | 
    441 | 
      | 
 
    |   | 
      | 
    $ | 
    10,312 | 
      | 
      | 
    $ | 
    10,253 | 
      | 
      | 
    $ | 
    23,915 | 
      | 
      | 
    $ | 
    20,418 | 
      | 
 
    |   | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | 
Interest
    expense: | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Production | 
      | 
    $ | 
    2,048 | 
      | 
      | 
    $ | 
    1,700 | 
      | 
      | 
    $ | 
    3,755 | 
      | 
      | 
    $ | 
    3,724 | 
      | 
 
    | Marketing
    and distribution | 
      | 
      | 
    774 | 
      | 
      | 
      | 
    336 | 
      | 
      | 
      | 
    1,362 | 
      | 
      | 
      | 
    699 | 
      | 
 
    | Corporate
    activities | 
      | 
      | 
    2,293 | 
      | 
      | 
      | 
    2,141 | 
      | 
      | 
      | 
    4,734 | 
      | 
      | 
      | 
    4,259 | 
      | 
 
    |   | 
      | 
    $ | 
    5,115 | 
      | 
      | 
    $ | 
    4,177 | 
      | 
      | 
    $ | 
    9,851 | 
      | 
      | 
    $ | 
    8,682 | 
      | 
 
 
  
The
following table sets forth the Company’s total assets by operating segment (in thousands):  
  
    |   | 
      | 
    June
    30, 2019 | 
      | 
      | 
    December
    31, 2018 | 
      | 
 
    | 
Total
    assets: | 
      | 
      | 
      | 
      | 
      | 
      | 
 
    | Production | 
      | 
    $ | 
    550,004 | 
      | 
      | 
    $ | 
    532,790 | 
      | 
 
    | Marketing and distribution | 
      | 
      | 
    119,948 | 
      | 
      | 
      | 
    112,984 | 
      | 
 
    | Corporate
    assets | 
      | 
      | 
    15,868 | 
      | 
      | 
      | 
    14,117 | 
      | 
 
    |   | 
      | 
    $ | 
    685,820 | 
      | 
      | 
    $ | 
    659,891 | 
      | 
 
 
 |