Contingencies (Details Textual)	3 Months Ended		6 Months Ended
	Jun. 30, 2016 USD ($) gal	Jun. 30, 2015 USD ($)	Jun. 30, 2016 USD ($) gal	Jun. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Jul. 29, 2011 gal
Commitments And Contingencies [Line Items]
Cayman Water Retail Operations, Percentage Of Gross Profit	56.00%	60.00%	56.00%	58.00%
Cayman Water Retail Operations, Percentage Of Revenue	41.00%	42.00%	42.00%	42.00%
Operating Income (Loss)	$ 1,656,605	$ 2,303,720	$ 3,372,650	$ 4,559,056
Property, plant and equipment, net	$ 54,251,554		$ 54,251,554		$ 53,743,170
Royalty Percentage	7.50%		7.50%
Cw Belize [Member]
Commitments And Contingencies [Line Items]
Delivery Terms, Volume of water per day | gal						450,000
CW-Bahamas Windsor Plant [Member]
Commitments And Contingencies [Line Items]
Revenue, Net	$ 1,400,000	1,500,000	$ 2,700,000	3,000,000
Delivery Terms Volume Of Water Per Week | gal	16,800,000		16,800,000
CW Bali [Member]
Commitments And Contingencies [Line Items]
Plant Capacity | gal	790,000		790,000
Operating Income (Loss)	$ (157,000)	$ (142,000)	$ (304,000)	$ (302,000)
Property, plant and equipment, net	3,000,000		3,000,000
Translation Adjustment Functional to Reporting Currency, Net of Tax	$ 567,000		$ 567,000