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CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE LOSS (USD $) In Thousands, except Per Share data, unless otherwise specified | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Net sales |  |  |  |  |  |
Products | $ 105,988 us-gaap_SalesRevenueGoodsNet |  | $ 141,138 us-gaap_SalesRevenueGoodsNet |  | $ 160,688 us-gaap_SalesRevenueGoodsNet |
Services | 23,432 us-gaap_SalesRevenueServicesNet |  | 23,301 us-gaap_SalesRevenueServicesNet |  | 26,040 us-gaap_SalesRevenueServicesNet |
Total net sales | 129,420 us-gaap_SalesRevenueNet |  | 164,439 us-gaap_SalesRevenueNet |  | 186,728 us-gaap_SalesRevenueNet |
Cost of net sales |  |  |  |  |  |
Products | 84,988 us-gaap_CostOfGoodsSold |  | 99,888 us-gaap_CostOfGoodsSold |  | 95,854 us-gaap_CostOfGoodsSold |
Services | 22,304 us-gaap_CostOfServices |  | 24,331 us-gaap_CostOfServices |  | 22,716 us-gaap_CostOfServices |
Gross profit | 22,128 us-gaap_GrossProfit |  | 40,220 us-gaap_GrossProfit |  | 68,158 us-gaap_GrossProfit |
Operating expenses: |  |  |  |  |  |
Selling, general and administrative | 24,515 us-gaap_SellingGeneralAndAdministrativeExpense |  | 37,626 us-gaap_SellingGeneralAndAdministrativeExpense |  | 52,457 us-gaap_SellingGeneralAndAdministrativeExpense |
Research and development | 11,686 us-gaap_ResearchAndDevelopmentExpense |  | 14,520 us-gaap_ResearchAndDevelopmentExpense |  | 28,131 us-gaap_ResearchAndDevelopmentExpense |
Amortization of intangible assets |  |  |  |  | 516 us-gaap_AmortizationOfIntangibleAssets |
Restructuring |  |  |  |  | 358 us-gaap_RestructuringCharges |
Net loss on divestitures |  |  | 1,307 us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal |  | 16,239 us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal |
Total operating expenses | 36,201 us-gaap_OperatingExpenses |  | 53,453 us-gaap_OperatingExpenses |  | 97,701 us-gaap_OperatingExpenses |
Operating loss | (14,073)us-gaap_OperatingIncomeLoss |  | (13,233)us-gaap_OperatingIncomeLoss |  | (29,543)us-gaap_OperatingIncomeLoss |
Interest income | 589 us-gaap_InvestmentIncomeInterest |  | 511 us-gaap_InvestmentIncomeInterest |  | 2,612 us-gaap_InvestmentIncomeInterest |
Interest expense | (88)us-gaap_InterestExpense |  | (151)us-gaap_InterestExpense |  | (240)us-gaap_InterestExpense |
Other income (expense), net | (2,249)us-gaap_OtherNonoperatingIncomeExpense |  | 11,480 us-gaap_OtherNonoperatingIncomeExpense |  | (2,973)us-gaap_OtherNonoperatingIncomeExpense |
Equity losses of associates | (8,878)us-gaap_IncomeLossFromEquityMethodInvestments |  | (9,586)us-gaap_IncomeLossFromEquityMethodInvestments |  |  |
Investment impairment | (3,947)us-gaap_ImpairmentOfInvestments |  | (9,400)us-gaap_ImpairmentOfInvestments |  | (3,043)us-gaap_ImpairmentOfInvestments |
Loss before income taxes | (28,646)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |  | (20,379)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |  | (33,187)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest |
Income tax expense | (1,618)us-gaap_IncomeTaxExpenseBenefit |  | (2,351)us-gaap_IncomeTaxExpenseBenefit |  | (2,392)us-gaap_IncomeTaxExpenseBenefit |
Net loss | (30,264)us-gaap_ProfitLoss |  | (22,730)us-gaap_ProfitLoss |  | (35,579)us-gaap_ProfitLoss |
Net loss attributable to non-controlling interests |  |  | 9 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |  | 1,194 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest |
Net loss attributable to UTStarcom Holdings Corp. | (30,264)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |  | (22,721)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |  | (34,385)us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic |
Net loss per share attributable to UTStarcom Holdings Corp.-Basic | $ (0.81)us-gaap_EarningsPerShareBasic |  | $ (0.58)us-gaap_EarningsPerShareBasic |  | $ (0.71)us-gaap_EarningsPerShareBasic |
Net loss per share attributable to UTStarcom Holdings Corp.-Diluted | $ (0.81)us-gaap_EarningsPerShareDiluted |  | $ (0.58)us-gaap_EarningsPerShareDiluted |  | $ (0.71)us-gaap_EarningsPerShareDiluted |
Weighted average shares outstanding-Basic (in shares) | 37,380 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 39,127 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |  | 48,513 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic |
Weighted average shares outstanding-Diluted (in shares) | 37,380 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 39,127 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |  | 48,513 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding |
Net loss | (30,264)us-gaap_ProfitLoss |  | (22,730)us-gaap_ProfitLoss |  | (35,579)us-gaap_ProfitLoss |
Other comprehensive loss, net of tax |  |  |  |  |  |
Net change in cumulative translation adjustment | (2,781)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |  | (13,759)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |  | (3,272)us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax |
Unrealized gain from available-for-sale investments | 673 us-gaap_OtherComprehensiveIncomeLossAvailableForSaleSecuritiesAdjustmentNetOfTax |  |  |  |  |
Comprehensive loss | (32,372)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest |  | (36,489)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest |  | (38,851)us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest |
Comprehensive loss attributable to non-controlling interests |  | [1] | 9 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | [1] | 1,194 us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest | [1]
Comprehensive loss attributable to UTStarcom Holding Corp. | $ (32,372)us-gaap_ComprehensiveIncomeNetOfTax |  | $ (36,480)us-gaap_ComprehensiveIncomeNetOfTax |  | $ (37,657)us-gaap_ComprehensiveIncomeNetOfTax |
[1] | Comprehensive loss attributable to non-controlling interests consisted solely of net loss.

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