XML 103 R88.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Segment information (Details Textual) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2016 | Dec. 31, 2015 | Dec. 31, 2014
Retail [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, Depletion and Amortization | $ 2,468,846 | $ 2,344,315 | $ 2,404,404
Bulk [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, Depletion and Amortization | 3,288,083 | 3,389,717 | 3,196,912
Services [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Depreciation, Depletion and Amortization | $ 1,664,339 | $ 102,901 | $ 102,396

X
- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
Name: | us-gaap_DepreciationDepletionAndAmortization
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_SegmentReportingInformationLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cwco_RetailMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cwco_BulkMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=cwco_ServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |