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CONSOLIDATED STATEMENTS OF INCOME (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Retail water revenues | $ 24,104,932 cwco_RetailWaterRevenue | $ 23,018,498 cwco_RetailWaterRevenue | $ 24,222,895 cwco_RetailWaterRevenue
Bulk water revenues | 39,201,011 cwco_BulkWaterRevenue | 39,960,220 cwco_BulkWaterRevenue | 40,758,182 cwco_BulkWaterRevenue
Services revenues | 2,253,135 us-gaap_SalesRevenueServicesNet | 843,413 us-gaap_SalesRevenueServicesNet | 469,625 us-gaap_SalesRevenueServicesNet
Total revenues | 65,559,078 us-gaap_Revenues | 63,822,131 us-gaap_Revenues | 65,450,702 us-gaap_Revenues
Cost of retail revenues | 12,010,263 cwco_CostOfRetailWater | 11,023,096 cwco_CostOfRetailWater | 11,548,255 cwco_CostOfRetailWater
Cost of bulk revenues | 27,853,057 cwco_CostOfBulkWater | 28,212,896 cwco_CostOfBulkWater | 31,679,887 cwco_CostOfBulkWater
Cost of services revenues | 2,580,260 us-gaap_CostOfServices | 1,080,260 us-gaap_CostOfServices | 230,118 us-gaap_CostOfServices
Total cost of revenues | 42,443,580 us-gaap_CostOfRevenue | 40,316,252 us-gaap_CostOfRevenue | 43,458,260 us-gaap_CostOfRevenue
Gross profit | 23,115,498 us-gaap_GrossProfit | 23,505,879 us-gaap_GrossProfit | 21,992,442 us-gaap_GrossProfit
General and administrative expenses | 16,654,439 us-gaap_GeneralAndAdministrativeExpense | 15,844,303 us-gaap_GeneralAndAdministrativeExpense | 14,542,817 us-gaap_GeneralAndAdministrativeExpense
Impairment losses | 0 us-gaap_AssetImpairmentCharges | 0 us-gaap_AssetImpairmentCharges | 521,444 us-gaap_AssetImpairmentCharges
Income from operations | 6,461,059 us-gaap_OperatingIncomeLoss | 7,661,576 us-gaap_OperatingIncomeLoss | 6,928,181 us-gaap_OperatingIncomeLoss
Other income (expense): |  |  |
Interest income | 1,440,631 us-gaap_InterestIncomeOther | 826,570 us-gaap_InterestIncomeOther | 835,941 us-gaap_InterestIncomeOther
Interest expense | (488,770)us-gaap_InterestExpense | (484,057)us-gaap_InterestExpense | (876,971)us-gaap_InterestExpense
Profit sharing income from OC-BVI | 111,375 cwco_ProfitLossFromSubsidiaries | 357,636 cwco_ProfitLossFromSubsidiaries | 343,454 cwco_ProfitLossFromSubsidiaries
Equity in earnings of OC-BVI | 303,380 us-gaap_IncomeLossFromEquityMethodInvestments | 979,716 us-gaap_IncomeLossFromEquityMethodInvestments | 2,121,319 us-gaap_IncomeLossFromEquityMethodInvestments
Impairment of investment in OC-BVI | (860,000)us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment | (200,000)us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment | 0 us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment
Other | (203,135)us-gaap_OtherNonoperatingIncomeExpense | 7,048 us-gaap_OtherNonoperatingIncomeExpense | 272,085 us-gaap_OtherNonoperatingIncomeExpense
Other income (expense), net | 303,481 us-gaap_NonoperatingIncomeExpense | 1,486,913 us-gaap_NonoperatingIncomeExpense | 2,695,828 us-gaap_NonoperatingIncomeExpense
Net income | 6,764,540 us-gaap_ProfitLoss | 9,148,489 us-gaap_ProfitLoss | 9,624,009 us-gaap_ProfitLoss
Income attributable to non-controlling interests | 499,182 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 553,970 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | 308,495 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income attributable to Consolidated Water Co. Ltd. stockholders | $ 6,265,358 us-gaap_NetIncomeLoss | $ 8,594,519 us-gaap_NetIncomeLoss | $ 9,315,514 us-gaap_NetIncomeLoss
Basic earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders (in dollars per share) | $ 0.43 us-gaap_EarningsPerShareBasic | $ 0.59 us-gaap_EarningsPerShareBasic | $ 0.64 us-gaap_EarningsPerShareBasic
Diluted earnings per common share attributable to Consolidated Water Co. Ltd. common stockholders (in dollars per share) | $ 0.42 us-gaap_EarningsPerShareDiluted | $ 0.58 us-gaap_EarningsPerShareDiluted | $ 0.64 us-gaap_EarningsPerShareDiluted
Dividends declared per common share (in dollars per share) | $ 0.30 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.30 us-gaap_CommonStockDividendsPerShareDeclared | $ 0.30 us-gaap_CommonStockDividendsPerShareDeclared
Weighted average number of common shares used in the determination of: |  |  |
Basic earnings per share (in shares) | 14,697,896 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 14,633,884 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 14,578,518 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Diluted earnings per share (in shares) | 14,764,323 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 14,703,880 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 14,606,148 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding

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