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Segment information (Details 1) - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Revenues	$ 57,116,202	$ 65,559,078	$ 63,822,131
Cayman Islands [Member]
Segment Reporting Information [Line Items]
Revenues	32,735,215	35,040,803	31,164,165
Bahamas [Member]
Segment Reporting Information [Line Items]
Revenues	21,062,081	26,702,605	29,192,529
Indonesia [Member]
Segment Reporting Information [Line Items]
Revenues	368,012	471,919	144,030
Belize [Member]
Segment Reporting Information [Line Items]
Revenues	2,422,547	2,596,410	2,536,780
Management Services Agreement With OC-BVI [Membre]
Segment Reporting Information [Line Items]
Revenues	528,347	747,341	784,627
Water and Sewerage Corporation [Member]
Segment Reporting Information [Line Items]
Revenues	$ 20,770,347	$ 26,376,520	$ 28,861,195
Percentage of total revenues	36.00%	40.00%	45.00%
Water Authority - Cayman [Member]
Segment Reporting Information [Line Items]
Revenues	$ 8,369,627	$ 9,901,996	$ 8,230,912
Percentage of total revenues	15.00%	15.00%	13.00%

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+ References

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+ 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

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