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5. SEGMENTS (Details - Income Statement) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2015 | Sep. 30, 2015 | Jun. 30, 2015 | Mar. 31, 2015 | Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Total segment revenues |  |  |  |  |  |  |  |  | $ 710,201 | $ 562,388 | $ 507,162
Total segment net sales |  |  |  |  |  |  |  |  | 486,237 | 549,010 | 404,626
Revenues |  |  |  |  |  |  |  |  | 1,196,438 | 1,111,398 | 911,788
Net sales as reported | $ 376,757 | $ 380,622 | $ 227,621 | $ 206,176 | $ 256,152 | $ 275,573 | $ 321,144 | $ 254,543 | 1,191,176 | 1,107,412 | 908,437
Cost of goods sold |  |  |  |  |  |  |  |  | 1,183,766 | 998,927 | 875,507
Income (loss) before provision for income taxes |  |  |  |  |  |  |  |  | (28,907) | 41,139 | (1,162)
Depreciation and amortization |  |  |  |  |  |  |  |  | 23,632 | 13,186 | 12,136
Interest expense |  |  |  |  |  |  |  |  | (12,594) | (9,438) | (15,671)
External Customers [Member] |  |  |  |  |  |  |  |  |  |  |
Total segment revenues |  |  |  |  |  |  |  |  | 710,201 | 562,388 | 507,162
Total segment net sales |  |  |  |  |  |  |  |  | 480,975 | 545,024 | 401,275
Intersegment Net Sales [Member] |  |  |  |  |  |  |  |  |  |  |
Total segment revenues |  |  |  |  |  |  |  |  | 0 | 0 | 0
Total segment net sales |  |  |  |  |  |  |  |  | 5,262 | 3,986 | 3,351
Intersegment Eliminations [Member] |  |  |  |  |  |  |  |  |  |  |
Revenues |  |  |  |  |  |  |  |  | (5,262) | (3,986) | (3,351)
Cost of goods sold |  |  |  |  |  |  |  |  | (12,477) | (11,681) | (10,045)
Ethanol Production [Member] |  |  |  |  |  |  |  |  |  |  |
Cost of goods sold |  |  |  |  |  |  |  |  | 719,833 | 473,598 | 492,186
Income (loss) before provision for income taxes |  |  |  |  |  |  |  |  | (32,723) | 72,278 | 3,776
Depreciation and amortization |  |  |  |  |  |  |  |  | 23,091 | 12,509 | 11,533
Interest expense |  |  |  |  |  |  |  |  | (11,969) | (7,048) | (11,248)
Marketing and Distribution [Member] |  |  |  |  |  |  |  |  |  |  |
Cost of goods sold |  |  |  |  |  |  |  |  | 476,411 | 537,010 | 393,366
Income (loss) before provision for income taxes |  |  |  |  |  |  |  |  | 3,200 | 6,068 | 5,217
Depreciation and amortization |  |  |  |  |  |  |  |  | 151 | 551 | 499
Interest expense |  |  |  |  |  |  |  |  | (625) | (566) | (527)
Corporate Activities [Member] |  |  |  |  |  |  |  |  |  |  |
Income (loss) before provision for income taxes |  |  |  |  |  |  |  |  | 616 | (37,207) | (10,155)
Depreciation and amortization |  |  |  |  |  |  |  |  | 390 | 126 | 104
Interest expense |  |  |  |  |  |  |  |  | $ 0 | $ (1,824) | $ (3,896)

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- Definition Total costs related to goods produced and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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