XML 40 R75.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Segment information (Details 1) (USD $) | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Segment Reporting Information [Line Items] |  |  |
Revenues, Total | $ 65,559,078 us-gaap_Revenues | $ 63,822,131 us-gaap_Revenues | $ 65,450,702 us-gaap_Revenues
Cayman Islands [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues, Total | 35,040,803 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_KY | 31,164,165 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_KY | 33,661,440 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_KY
Bahamas [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues, Total | 26,702,605 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_BS | 29,192,529 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_BS | 28,996,724 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_BS
Indonesia [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues, Total | 471,919 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ID | 144,030 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ID | 0 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_ID
Belize [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues, Total | 2,596,410 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_BZ | 2,536,780 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_BZ | 2,322,913 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_BZ
Management Services Agreement With OC-BVI [Membre] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues, Total | 747,341 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_VG | 784,627 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_VG | 469,625 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = country_VG
Water and Sewerage Corporation [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues, Total | 26,376,520 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = cwco_WaterAndSewerageCorporationMember | 28,861,195 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = cwco_WaterAndSewerageCorporationMember | 28,765,529 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = cwco_WaterAndSewerageCorporationMember
Entity Wide Revenues Major Customer Percentage | 40.00%cwco_EntityWideRevenuesMajorCustomerPercentage / us-gaap_StatementGeographicalAxis = cwco_WaterAndSewerageCorporationMember | 45.00%cwco_EntityWideRevenuesMajorCustomerPercentage / us-gaap_StatementGeographicalAxis = cwco_WaterAndSewerageCorporationMember | 44.00%cwco_EntityWideRevenuesMajorCustomerPercentage / us-gaap_StatementGeographicalAxis = cwco_WaterAndSewerageCorporationMember
Water Authority - Cayman [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues, Total | $ 9,901,996 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = cwco_WaterAuthorityCaymanMember | $ 8,230,912 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = cwco_WaterAuthorityCaymanMember | $ 9,438,545 us-gaap_Revenues / us-gaap_StatementGeographicalAxis = cwco_WaterAuthorityCaymanMember
Entity Wide Revenues Major Customer Percentage | 15.00%cwco_EntityWideRevenuesMajorCustomerPercentage / us-gaap_StatementGeographicalAxis = cwco_WaterAuthorityCaymanMember | 13.00%cwco_EntityWideRevenuesMajorCustomerPercentage / us-gaap_StatementGeographicalAxis = cwco_WaterAuthorityCaymanMember | 14.00%cwco_EntityWideRevenuesMajorCustomerPercentage / us-gaap_StatementGeographicalAxis = cwco_WaterAuthorityCaymanMember

X
- Definition Percentage of revenue generated from a single external customer that accounts for 10 percent or more of an entity's revenues. + References No definition available. + Details
Name: | cwco_EntityWideRevenuesMajorCustomerPercentage
Namespace Prefix: | cwco_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss). + 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
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_BS
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_BZ
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_ID
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_KY
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_VG
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=cwco_WaterAndSewerageCorporationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=cwco_WaterAuthorityCaymanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |