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v3.19.1

Segment information (Details 1) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Segment Reporting Information [Line Items] |  |
Revenues | $ 65,719,857 | $ 59,367,022
Cayman Islands [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | 34,623,925 | 30,218,830
Bahamas [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | 23,241,361 | 21,528,494
Indonesia [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | 153,233 | 159,856
Management Services Agreement With OC-BVI [Membre] |  |
Segment Reporting Information [Line Items] |  |
Revenues | 445,188 | 469,346
Water and Sewerage Corporation of the Bahamas [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | $ 22,956,878 | $ 21,307,993
Percentage of total revenues | 35.00% | 36.00%
Water Authority - Cayman [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | $ 7,789,926 | $ 7,153,620
Percentage of total revenues | 12.00% | 12.00%
United States [Member] |  |
Segment Reporting Information [Line Items] |  |
Revenues | $ 7,256,150 | $ 6,990,496

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