Contingencies (Details Textual)	3 Months Ended		9 Months Ended
	Sep. 30, 2016 USD ($) gal	Sep. 30, 2015 USD ($)	Sep. 30, 2016 USD ($) gal	Sep. 30, 2015 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jul. 29, 2011 bbl
Commitments And Contingencies [Line Items]
Cayman Water Retail Operations, Percentage Of Gross Profit	52.00%	57.00%	55.00%	58.00%
Cayman Water Retail Operations, Percentage Of Revenue	38.00%	39.00%	40.00%	41.00%
Operating Income (Loss)	$ (2,359,356)	$ 2,153,776	$ 1,013,294	$ 6,712,832
Royalty Percentage	7.50%		7.50%
Translation Adjustment Functional to Reporting Currency, Net of Tax	$ 549,555		$ 549,555		$ 533,565
Impairment of Long-Lived Assets Held-for-use	2,000,000	0	2,000,000	0
Foreign Currency Transaction Gain (Loss), before Tax	1,734	(388,456)	92,030	(660,989)
Cash and Cash Equivalents, at Carrying Value, Total	37,092,112	40,766,125	37,092,112	40,766,125	44,792,734	$ 35,713,689
Accounts Receivable, Net, Current, Total	15,099,235		15,099,235		9,529,016
Cw Belize [Member]
Commitments And Contingencies [Line Items]
Delivery Terms, Volume of water per day | bbl							450,000
CW-Bahamas Windsor Plant [Member]
Commitments And Contingencies [Line Items]
Revenue, Net	$ 1,300,000	1,500,000	$ 4,000,000	4,500,000
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)	$ (2,100,000)	(80,000)	$ (2,400,000)	(383,000)
Translation Adjustment Functional to Reporting Currency, Net of Tax	549,555		549,555
Asset Impairment Charges	2,000,000		2,000,000
Net Assets	1,510,000		1,510,000
Impairment of Long-Lived Assets Held-for-use			2,000,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures	2,100,000		2,100,000
Foreign Currency Transaction Gain (Loss), before Tax	28,000	$ (309,000)	202,000	$ (542,000)
CW Bali [Member] | Indonesia, Rupiahs
Commitments And Contingencies [Line Items]
Translation Adjustment Functional to Reporting Currency, Net of Tax	(549,555)		(549,555)		$ (533,565)
Cash and Cash Equivalents, at Carrying Value, Total	20,000		20,000
Accounts Receivable, Net, Current, Total	37,000		37,000
Accounts Payable, Current	$ 35,000		$ 35,000