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N.S.C. Agua, S.A. de C.V. (Details Textual) gal in Millions |  | 1 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 ($) m² | Feb. 29, 2012 | May 31, 2010 gal | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($) gal | Dec. 31, 2015 MXN gal | Dec. 31, 2014 USD ($) ha | Dec. 31, 2014 USD ($) ha | Mar. 10, 2017 USD ($) | Mar. 10, 2017 MXN | Dec. 31, 2015 MXN | Oct. 31, 2015
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  |  |  |  |  | $ 18,677,584 | $ 14,840,156 |  | $ 17,011,041 |  |  |  |  |
Assets, Total |  |  |  |  |  |  |  |  | 163,604,528 | 161,575,026 |  |  |  |  |  |  |
Liabilities, Total |  |  |  |  |  |  |  |  | 9,499,156 | 13,379,921 |  |  |  |  |  |  |
Legal Fees |  |  |  |  |  |  |  |  | $ 203,000 | 138,000 |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage |  |  |  |  |  |  |  |  | 43.53% |  |  |  |  |  |  |  |
Mexican Tax Authority [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Income Tax Examination, Estimate of Possible Loss |  |  |  |  |  |  |  |  |  | 428,203 | MXN 7,367,875 |  |  |  |  |  |
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% |  |  |  |  |  |  |  |  | 99.90%
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity | gal |  | 100 |  |  |  |  |  | 100 |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  |  |  |  |  | $ 3,000,000 | 2,000,000 |  | $ 3,700,000 |  |  |  |  |
Lease Term |  |  |  |  |  | 20 years |  |  |  |  |  |  |  |  |  |  |
Assets, Total |  |  |  |  |  |  |  |  | 23,300,000 | 22,000,000 |  |  |  |  |  |  |
Liabilities, Total |  |  |  |  |  |  |  |  | $ 221,000 | $ 488,000 |  |  |  |  |  |  |
Operating Leases, Rent Expense per month |  |  |  |  |  | $ 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 |  |
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% |  |  |  |  |  |  |  |
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 | 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 | 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 |  |  |  |  |  |  |  |  |  |  |  |  |
Option Agreement Expiration Date |  |  |  |  |  |  | Feb. 07, 2014 |  |  |  |  |  |  |  |  |  |
N S C Agua [Member] | Mexican Tax Authority [Member] | Letter of Credit [Member] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Irrevocable letter of credit |  |  |  |  |  |  |  |  |  | $ 428,203 |  |  |  |  |  | MXN 7,367,875 |
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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