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CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Revenues |  |  |
Revenues | $ 182,571,852 us-gaap_Revenues | $ 108,999,805 us-gaap_Revenues | $ 86,858,401 us-gaap_Revenues
Cost of revenues |  |  |
Total cost of revenues | (139,308,511)us-gaap_CostOfRevenue | (135,103,408)us-gaap_CostOfRevenue | (124,290,384)us-gaap_CostOfRevenue
Gross (loss) profit | 43,263,341 us-gaap_GrossProfit | (26,103,603)us-gaap_GrossProfit | (37,431,983)us-gaap_GrossProfit
Operating (expenses) income: |  |  |
Selling, general and administrative expenses | (10,293,851)us-gaap_SellingGeneralAndAdministrativeExpense | (18,132,515)us-gaap_SellingGeneralAndAdministrativeExpense | (12,930,198)us-gaap_SellingGeneralAndAdministrativeExpense
Research and development expenses | (1,486,978)us-gaap_ResearchAndDevelopmentExpense | (3,391,012)us-gaap_ResearchAndDevelopmentExpense | (4,130,533)us-gaap_ResearchAndDevelopmentExpense
Other operating income, net | 552,444 us-gaap_OtherOperatingIncome | 5,420,777 us-gaap_OtherOperatingIncome | 8,729,301 us-gaap_OtherOperatingIncome
Long-lived asset impairment |  | (158,424,827)us-gaap_ImpairmentOfLongLivedAssetsHeldForUse | (42,754,481)us-gaap_ImpairmentOfLongLivedAssetsHeldForUse
Total operating expenses | (11,228,385)us-gaap_OperatingExpenses | (174,527,577)us-gaap_OperatingExpenses | (51,085,911)us-gaap_OperatingExpenses
(Loss) income from operations | 32,034,956 us-gaap_OperatingIncomeLoss | (200,631,180)us-gaap_OperatingIncomeLoss | (88,517,894)us-gaap_OperatingIncomeLoss
Interest expense | (15,654,106)us-gaap_InterestExpense | (19,349,190)us-gaap_InterestExpense | (15,408,023)us-gaap_InterestExpense
Interest income | 324,118 us-gaap_InvestmentIncomeInterest | 149,752 us-gaap_InvestmentIncomeInterest | 990,117 us-gaap_InvestmentIncomeInterest
Exchange (loss) gain | (55,792)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | 11,875 us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | (55,800)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
(Loss) income before income taxes | 16,649,176 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | (219,818,743)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | (102,991,600)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income tax expense |  | (1,271,765)us-gaap_IncomeTaxExpenseBenefit | (10,253,587)us-gaap_IncomeTaxExpenseBenefit
Net (loss) income from continuing operations | 16,649,176 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (221,090,508)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (113,245,187)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Total (loss) discontinued operations |  |  | (2,392,228)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Net (loss) income | 16,649,176 us-gaap_ProfitLoss | (221,090,508)us-gaap_ProfitLoss | (115,637,415)us-gaap_ProfitLoss
Net (loss) income attributable to non-controlling interest |  | (150,147,024)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (3,708,474)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net (loss) income attributable to Daqo New Energy Corp. ordinary shareholders | 16,649,176 us-gaap_NetIncomeLoss | (70,943,484)us-gaap_NetIncomeLoss | (111,928,941)us-gaap_NetIncomeLoss
NET (LOSS) EARNINGS PER ORDINARY SHARE |  |  |
Continuing operations | $ 0.08 us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.41)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare | $ (0.63)us-gaap_IncomeLossFromContinuingOperationsPerBasicShare
Discontinued operations |  |  | $ (0.01)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerBasicShare
Basic-ordinary shares | $ 0.08 us-gaap_EarningsPerShareBasic | $ (0.41)us-gaap_EarningsPerShareBasic | $ (0.64)us-gaap_EarningsPerShareBasic
Continuing operations | $ 0.08 us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.41)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare | $ (0.63)us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare
Discontinued operations |  |  | $ (0.01)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxPerDilutedShare
Diluted-ordinary shares | $ 0.08 us-gaap_EarningsPerShareDiluted | $ (0.41)us-gaap_EarningsPerShareDiluted | $ (0.64)us-gaap_EarningsPerShareDiluted
ORDINARY SHARES USED IN CALCULATING EARNINGS PER ORDINARY SHARE |  |  |
Basic-ordinary shares | 206,349,976 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 173,068,420 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 175,067,343 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted-diluted shares | 211,353,643 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 173,068,420 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 175,067,343 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Products [Member] | Third parties [Member] |  |  |
Revenues |  |  |
Revenues | 158,256,486 us-gaap_Revenues / us-gaap_MajorCustomersAxis = dq_NonrelatedPartyMember / us-gaap_ProductOrServiceAxis = us-gaap_ProductMember | 93,710,464 us-gaap_Revenues / us-gaap_MajorCustomersAxis = dq_NonrelatedPartyMember / us-gaap_ProductOrServiceAxis = us-gaap_ProductMember | 81,929,050 us-gaap_Revenues / us-gaap_MajorCustomersAxis = dq_NonrelatedPartyMember / us-gaap_ProductOrServiceAxis = us-gaap_ProductMember
Products [Member] | Related parties [Member] |  |  |
Revenues |  |  |
Revenues | 15,840,860 us-gaap_Revenues / us-gaap_MajorCustomersAxis = us-gaap_AffiliatedEntityMember / us-gaap_ProductOrServiceAxis = us-gaap_ProductMember | 13,471,866 us-gaap_Revenues / us-gaap_MajorCustomersAxis = us-gaap_AffiliatedEntityMember / us-gaap_ProductOrServiceAxis = us-gaap_ProductMember | 2,799,427 us-gaap_Revenues / us-gaap_MajorCustomersAxis = us-gaap_AffiliatedEntityMember / us-gaap_ProductOrServiceAxis = us-gaap_ProductMember
Service Fee [Member] | Third parties [Member] |  |  |
Revenues |  |  |
Revenues | 5,165,254 us-gaap_Revenues / us-gaap_MajorCustomersAxis = dq_NonrelatedPartyMember / us-gaap_ProductOrServiceAxis = dq_ServiceMember | 1,817,475 us-gaap_Revenues / us-gaap_MajorCustomersAxis = dq_NonrelatedPartyMember / us-gaap_ProductOrServiceAxis = dq_ServiceMember | 2,129,924 us-gaap_Revenues / us-gaap_MajorCustomersAxis = dq_NonrelatedPartyMember / us-gaap_ProductOrServiceAxis = dq_ServiceMember
Service Fee [Member] | Related parties [Member] |  |  |
Revenues |  |  |
Revenues | $ 3,309,252 us-gaap_Revenues / us-gaap_MajorCustomersAxis = us-gaap_AffiliatedEntityMember / us-gaap_ProductOrServiceAxis = dq_ServiceMember |  |

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