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N.S.C. Agua, S.A. de C.V. (Details Textual) (USD $) | 1 Months Ended | 12 Months Ended |  |  |  |  | 1 Months Ended | 12 Months Ended |  | 0 Months Ended |
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Nov. 30, 2012 sqm | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011 | Mar. 04, 2010 gal | Dec. 31, 2009 gal | Dec. 31, 2007 gal | Nov. 30, 2012 Minimum [Member] gal | Nov. 30, 2012 Maximum [Member] gal | May 31, 2013 N S C Agua [Member] | Feb. 28, 2013 N S C Agua [Member] | Aug. 31, 2012 N S C Agua [Member] gal | Feb. 29, 2012 N S C Agua [Member] | May 31, 2010 N S C Agua [Member] gal | Dec. 31, 2013 N S C Agua [Member] | Dec. 31, 2012 N S C Agua [Member] | Dec. 31, 2011 N S C Agua [Member] | Dec. 31, 2013 Subsequent Event [Member] gal | May 15, 2014 Subsequent Event [Member] N S C Agua [Member] | Dec. 31, 2013 Subsequent Event [Member] N S C Agua [Member]
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated Ownership Interest |  |  |  |  |  |  |  |  |  |  |  |  |  | 50.00% |  |  |  |  |  |
Total Percentage Of Ownership Interest In An Acquired Company |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.90% |  |  |  |  |  |
Business Acquisition, Percentage of Voting Interests Acquired |  |  |  |  |  |  |  |  |  | 99.90% |  |  | 25.00% |  |  |  |  |  |  |
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity |  |  |  |  |  |  |  |  |  |  |  | 100,000,000 |  | 100,000,000 |  |  |  |  |  |
General and administrative expenses |  | $ 15,844,303 | $ 14,542,817 | $ 13,651,650 |  |  |  |  |  |  |  |  |  |  | $ 3,200,000 | $ 1,700,000 | $ 3,000,000 |  |  |
Additional Prepayment Of Purchase Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |
Further Additional Prepayment Of Purchase Contract |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |  |  |  |  |  |
Further Payment As Compensation For Operation and Maintenance |  |  |  |  |  |  |  |  |  |  | 350,000 | 500,000 |  |  |  |  |  |  |  |
Accrued Rent | 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area Of Land, Lease Space | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plant Capacity |  |  |  |  | 600,000 | 1,700,000 | 720,000 | 20,000,000 | 40,000,000 |  |  |  |  |  |  |  |  | 63,000,000 |  |
Payments to Acquire Option |  |  |  |  |  |  |  |  |  |  |  |  | 1,000,000 |  |  |  |  |  |  |
Project Land |  |  |  |  |  |  |  |  |  | 12,000,000 |  |  |  |  |  |  |  |  |  |
Initial Amount Paid |  |  |  |  |  |  |  |  |  | 2,000,000 |  |  |  |  |  |  |  |  |  |
Project Land Amount Due |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10,000,000 |
Projected Land Cost Future Minimum Payments Due |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 6,980,000
Repayment Of Debt Through Issuance Of Shares |  |  |  |  |  |  |  |  |  | $ 5,700,000 |  |  |  |  |  |  |  |  |  |
Lease Term | 20 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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