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CONSOLIDATED CONDENSED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended
--- | ---
Mar. 31, 2015 | Mar. 31, 2014
Income Statement [Abstract] |  |
Revenues | $ 34,726us-gaap_SalesRevenueNet | $ 60,665us-gaap_SalesRevenueNet
Cost of goods sold | 34,954us-gaap_CostOfGoodsAndServicesSold | 45,041us-gaap_CostOfGoodsAndServicesSold
Gross profit (loss) | (228)us-gaap_GrossProfit | 15,624us-gaap_GrossProfit
Research and development expenses | 109us-gaap_ResearchAndDevelopmentExpense | 100us-gaap_ResearchAndDevelopmentExpense
Selling, general and administrative expenses | 3,634us-gaap_SellingGeneralAndAdministrativeExpense | 2,842us-gaap_SellingGeneralAndAdministrativeExpense
Operating income (loss) | (3,971)us-gaap_OperatingIncomeLoss | 12,682us-gaap_OperatingIncomeLoss
Interest expense |  |
Interest rate expense | (2,546)us-gaap_InterestExpense | (2,920)us-gaap_InterestExpense
Amortization expense | (1,723)us-gaap_AdjustmentForAmortization | (2,118)us-gaap_AdjustmentForAmortization
Loss on debt extinguishment | (330)us-gaap_ExtinguishmentOfDebtGainLossNetOfTax | (115)us-gaap_ExtinguishmentOfDebtGainLossNetOfTax
Other income (expense) | (67)us-gaap_OtherNonoperatingIncomeExpense | 164us-gaap_OtherNonoperatingIncomeExpense
Income (loss) before income taxes | (8,637)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments | 7,693us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense | (6)us-gaap_IncomeTaxExpenseBenefit | (6)us-gaap_IncomeTaxExpenseBenefit
Net income (loss) | (8,643)us-gaap_NetIncomeLoss | 7,687us-gaap_NetIncomeLoss
Other comprehensive income |  |
Foreign currency translation adjustment | 38us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax | 108us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax
Comprehensive income (loss) | $ (8,605)us-gaap_ComprehensiveIncomeNetOfTax | $ 7,795us-gaap_ComprehensiveIncomeNetOfTax
Net income(loss) per common share |  |
Basic | $ (0.42)us-gaap_EarningsPerShareBasic | $ 0.38us-gaap_EarningsPerShareBasic
Diluted | $ (0.42)us-gaap_EarningsPerShareDiluted | $ 0.34us-gaap_EarningsPerShareDiluted
Weighted average shares outstanding |  |
Basic | 20,595us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 20,007us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted | 20,595us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 22,657us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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