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CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME (LOSS) (USD $) In Thousands, except Share data, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Income Statement [Abstract] |  |  |  |  |  |
Revenues | $ 207,683 us-gaap_SalesRevenueNet |  | $ 177,514 us-gaap_SalesRevenueNet |  | $ 189,048 us-gaap_SalesRevenueNet |
Cost of goods sold | 170,539 us-gaap_CostOfGoodsAndServicesSold |  | 159,220 us-gaap_CostOfGoodsAndServicesSold |  | 197,975 us-gaap_CostOfGoodsAndServicesSold |
Gross profit (loss) | 37,144 us-gaap_GrossProfit |  | 18,294 us-gaap_GrossProfit |  | (8,927)us-gaap_GrossProfit |
Research and development expenses | 459 us-gaap_ResearchAndDevelopmentExpense |  | 539 us-gaap_ResearchAndDevelopmentExpense |  | 620 us-gaap_ResearchAndDevelopmentExpense |
Selling, general and administrative expenses | 12,595 us-gaap_SellingGeneralAndAdministrativeExpense |  | 15,275 us-gaap_SellingGeneralAndAdministrativeExpense |  | 11,613 us-gaap_SellingGeneralAndAdministrativeExpense |
Operating income (loss) | 24,090 us-gaap_OperatingIncomeLoss |  | 2,480 us-gaap_OperatingIncomeLoss |  | (21,160)us-gaap_OperatingIncomeLoss |
Other income (expense) |  |  |  |  |  |
Interest rate expense | (10,052)us-gaap_InterestExpenseDebt |  | (11,808)us-gaap_InterestExpenseDebt |  | (10,114)us-gaap_InterestExpenseDebt |
Amortization expense | (6,038)us-gaap_AmortizationOfFinancingCosts |  | (12,467)us-gaap_AmortizationOfFinancingCosts |  | (7,544)us-gaap_AmortizationOfFinancingCosts |
Loss on debt extinguishment | (1,346)us-gaap_ExtinguishmentOfDebtGainLossNetOfTax |  | (3,709)us-gaap_ExtinguishmentOfDebtGainLossNetOfTax |  | (9,069)us-gaap_ExtinguishmentOfDebtGainLossNetOfTax |
Gain on bargain purchase | 0 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount |  | 0 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount |  | 42,336 us-gaap_BusinessCombinationBargainPurchaseGainRecognizedAmount |
Gain (loss) on sale or disposal of assets | (119)us-gaap_GainLossOnDispositionOfAssets |  | 329 us-gaap_GainLossOnDispositionOfAssets |  | 350 us-gaap_GainLossOnDispositionOfAssets |
Other income (expense) | 604 us-gaap_OtherNonoperatingIncomeExpense |  | 744 us-gaap_OtherNonoperatingIncomeExpense |  | (162)us-gaap_OtherNonoperatingIncomeExpense |
Income (loss) before income taxes | 7,139 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  | (24,431)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |  | (5,363)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments |
Income tax (expense) benefit | (6)us-gaap_IncomeTaxExpenseBenefit |  | (6)us-gaap_IncomeTaxExpenseBenefit |  | 1,081 us-gaap_IncomeTaxExpenseBenefit |
Net income (loss) | 7,133 us-gaap_NetIncomeLoss |  | (24,437)us-gaap_NetIncomeLoss |  | (4,282)us-gaap_NetIncomeLoss |
Other comprehensive income |  |  |  |  |  |
Foreign currency translation adjustment | (46)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax |  | (598)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax |  | (75)us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax |
Comprehensive income (loss) | $ 7,087 us-gaap_ComprehensiveIncomeNetOfTax |  | $ (25,035)us-gaap_ComprehensiveIncomeNetOfTax |  | $ (4,357)us-gaap_ComprehensiveIncomeNetOfTax |
Net income(loss) per common share |  |  |  |  |  |
Basic | $ 0.35 us-gaap_EarningsPerShareBasic | [1] | $ (1.28)us-gaap_EarningsPerShareBasic | [1] | $ (0.28)us-gaap_EarningsPerShareBasic | [1]
Diluted | $ 0.34 us-gaap_EarningsPerShareDiluted | [1] | $ (1.28)us-gaap_EarningsPerShareDiluted | [1] | $ (0.28)us-gaap_EarningsPerShareDiluted | [1]
Weighted average shares outstanding |  |  |  |  |  |
Basic | 20,371 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | [1] | 19,101 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | [1] | 15,102 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | [1]
Diluted | 21,047 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | [1] | 19,101 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | [1] | 15,102 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | [1]
[1] | The Earnings per share and Weighted average shares outstanding for all periods presented reflect the one-for-ten reverse split, which took effect May 15, 2014.

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- Definition The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 985 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6501960&loc=d3e128462-111756 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
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- Definition Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. + 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 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + 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 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 4 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34747878&loc=d3e3636-108311 + Details
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1505-109256 + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1448-109256 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Weighted-Average Number of Common Shares Outstanding -URI http://asc.fasb.org/extlink&oid=6528421 + Details
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