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v3.8.0.1

Segment information (Details 1) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 62,306,665 | $ 57,875,707 | $ 57,116,202
Cayman Islands [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 30,218,830 | 31,211,705 | 32,735,215
Bahamas [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 21,528,494 | 19,554,944 | 21,062,081
Indonesia [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 159,856 | 91,311 | 368,012
Belize [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 2,939,643 | 2,614,989 | 2,422,547
Management Services Agreement With OC-BVI [Membre] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | 469,346 | 515,474 | 528,347
Water and Sewerage Corporation of the Bahamas [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 21,307,993 | $ 19,254,396 | $ 20,770,347
Percentage of total revenues | 34.00% | 33.00% | 36.00%
Water Authority - Cayman [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 7,153,620 | $ 7,477,101 | $ 8,369,627
Percentage of total revenues | 11.00% | 13.00% | 15.00%
United States [Member] |  |  |
Segment Reporting Information [Line Items] |  |  |
Revenues | $ 6,990,496 | $ 3,887,284 | $ 0

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