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N.S.C. Agua, S.A. de C.V. (Details Textual) gal in Millions		1 Months Ended							3 Months Ended		12 Months Ended		36 Months Ended
	Oct. 13, 2016 MXN	Aug. 22, 2016 gal	Nov. 30, 2015 gal	Feb. 28, 2014 USD ($)	May 31, 2013 USD ($)	Nov. 30, 2012 USD ($) m²	Feb. 29, 2012 USD ($)	May 31, 2010 gal	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)	Dec. 31, 2015 gal	Dec. 31, 2014 USD ($) ha	Dec. 31, 2014 USD ($) ha	Mar. 10, 2017 USD ($)	Mar. 10, 2017 MXN	Dec. 31, 2016 USD ($)	Oct. 31, 2015
Schedule of Investments [Line Items]
General and administrative expenses									$ 4,797,192	$ 4,460,986
Assets, Total									167,183,123							$ 163,604,528
Liabilities, Total									11,471,513							9,499,156
Legal Fees									$ 0	196,000
Equity Method Investment, Ownership Percentage									43.53%
Option agreement [Member]
Schedule of Investments [Line Items]
Payments To Enter Option Agreement							$ 300,000
N S C Agua [Member]
Schedule of Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners								50.00%
Total Percentage Of Ownership Interest In An Acquired Company					99.90%
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity | gal		100						100
General and administrative expenses									$ 720,000	$ 767,000
Lease Term						20 years
Assets, Total									21,900,000							22,300,000
Liabilities, Total									$ 402,000							$ 221,000
Operating Leases, Rent Expense, Net						$ 20,000
Percentage of Voting Interest Acquired through Option Agreement				25.00%
Payments For Option Exercised				$ 1,000,000
Area of Land						5,000						20.1	20.1
Payments to Acquire Land													$ 20,600,000
Counter Guaranty Fixed Amount | MXN	MXN 300,000
Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures														$ 463,000,000	MXN 9,000,000,000
Expected Annual Revenues From Project														$ 52,000,000	MXN 1,020,000,000
Equity Method Investment, Ownership Percentage																	99.90%
N S C Agua [Member] | Aguas de Rosarito S.A.P.I. de C.V [Member]
Schedule of Investments [Line Items]
Equity Method Investment, Ownership Percentage									99.60%							99.60%
N S C Agua [Member] | First Phase [Member]
Schedule of Investments [Line Items]
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity | gal		50	50								50
N S C Agua [Member] | Second Phase [Member]
Schedule of Investments [Line Items]
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity | gal		50	50								50
N S C Agua [Member] | Option agreement [Member]
Schedule of Investments [Line Items]
Repayment of inter-company loan payable					$ 5,700,000
Total Voting Interest Percentage After Conversion Of Loan					99.90%
Percentage of Voting Interest Acquired through Option Agreement							25.00%
Payments For Option Exercised				$ 1,000,000
NSA [Member]
Schedule of Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners								50.00%
Payments to Acquire Land												$ 20,600,000

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