XML 97 R82.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Cost of revenues and general and administrative expenses (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | $ 33,624,821 | $ 33,807,982 | $ 42,086,978
Electricity [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 9,037,347 | 10,675,287 | 14,631,638
Depreciation [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 5,355,529 | 5,270,454 | 5,077,293
Fuel oil [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 4,210,542 | 4,974,421 | 8,726,195
Employee costs [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 5,541,983 | 4,287,783 | 4,274,007
Cost of plant sales [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 142,151 | 878,396 | 1,470,045
Maintenance [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 3,545,269 | 3,436,736 | 3,131,947
Retail license royalties [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 1,528,914 | 1,427,073 | 1,405,067
Insurance [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 992,374 | 1,187,097 | 1,397,799
Materials [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | 1,280,794 | 0 | 0
Other [Member] |  |  |
Cost of revenues and general and administrative expenses [Line Items] |  |  |
Cost of Revenue | $ 1,989,918 | $ 1,670,735 | $ 1,972,987

X
- References No definition available. + Details
Name: | cwco_CostOfRevenuesAndGeneralAndAdministrativeExpensesLineItems
Namespace Prefix: | cwco_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The aggregate cost of goods produced and sold and services rendered during the reporting period. + 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 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688 + Details
Name: | us-gaap_CostOfRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_ElectricityMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_DepreciationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_FuelOilMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_EmployeeCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_CostOfPlantSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_MaintenanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_RoyaltiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_InsuranceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=cwco_MaterialsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ConcentrationRiskByBenchmarkAxis=us-gaap_OtherExpenseMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |