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Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012
Revenues | $ 58,634 | $ 56,447
Cost of sales, excluding lower of cost or market adjustment | 44,664 | 33,905
Lower of cost or market adjustment | 14,700 | 0
Gross profit (loss) | (730) | 22,542
Operating expenses: |  |
Selling and marketing | 3,032 | 2,748
General and administrative | 4,723 | 4,914
Total operating expenses | 7,755 | 7,662
Operating income (loss) | (8,485) | 14,880
Other income (expense): |  |
Interest expense | (933) | (693)
Interest income | 0 | 9
Total other income (expense) | (933) | (684)
Income (loss) before income taxes | (9,418) | 14,196
Income tax (benefit) expense | (3,576) | 1,395
Net income (loss) | $ (5,842) | $ 12,801
Net income (loss) per common share - Basic | $ (0.24) | $ 0.54
Net income (loss) per common share - Diluted | $ (0.24) | $ 0.49
Weighted average number of shares outstanding - Basic | 24,826,101 | 23,906,706
Weighted average number of shares outstanding - Diluted | 24,826,101 | 26,353,960

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