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Other Affiliates (Details Textual) (USD $) | 1 Months Ended | 12 Months Ended |  |  |  | 12 Months Ended |  | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 30, 2012 sqm | Dec. 31, 2012 | Dec. 31, 2011 gal | Dec. 31, 2010 | Mar. 04, 2010 gal | Dec. 31, 2007 gal | Nov. 30, 2012 Minimum [Member] gal | Nov. 30, 2012 Maximum [Member] gal | Dec. 31, 2011 CW-Bermuda [Member] | Dec. 31, 2012 CW-Bermuda [Member] | Aug. 31, 2012 N S C Agua [Member] | May 31, 2010 N S C Agua [Member] | Dec. 31, 2012 N S C Agua [Member] | Dec. 31, 2011 N S C Agua [Member] | Dec. 31, 2010 N S C Agua [Member] | Jul. 19, 2012 N S C Agua [Member]
Equity Method Investment, Ownership Percentage |  | 43.50% | 43.50% |  |  |  |  |  | 40.00% |  |  |  |  | 50.00% |  |
ASSETS |  | $ 150,449,086 | $ 160,859,431 | $ 152,201,566 |  |  |  |  |  | $ 14,000 |  |  | $ 1,452,000 | $ 121,000 |  |
Liabilities |  | 14,314,496 | 30,578,075 |  |  |  |  |  |  | 0 |  |  | 116,000 | 367,000 |  |
Sales Revenue, Services, Net |  | 469,625 | 1,040,280 | 3,542,209 |  |  |  |  | 723,000 |  |  |  |  |  |  |
Gross profit |  | 21,992,442 | 19,022,067 | 16,610,495 |  |  |  |  | 457,000 |  |  |  |  |  |  |
Seawater Reverse Osmosis Desalination Plant, Per Day Processing Capacity (Gallon) |  |  |  |  |  |  |  |  |  |  |  | 100,000,000 |  |  |  |
Proceeds from Related Party Debt |  |  |  |  |  |  |  |  |  |  |  |  | 4,000,000 |  |  |
General and Administrative Expenses |  | 14,542,817 | 13,651,650 | 11,329,648 |  |  |  |  |  |  |  |  | 1,700,000 | 3,000,000 | 1,700,000 |
Additional Prepayment Of Purchase Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000
Further Additional Prepayment Of Purchase Contract |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 500,000
Further Payment As Compensation For Operation and Maintenance |  |  |  |  |  |  |  |  |  |  | 500,000 |  |  |  |  |
Accrued Rent | $ 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Lease Term | 20 Years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area Of Land, Lease Space | 5,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Plant Capacity (Gallons) |  |  | 1,700,000 |  | 600,000 | 720,000 | 20,000,000 | 40,000,000 |  |  |  |  |  |  |  |
Equity Method Investment Additional Ownership Interest, Percentage |  | 25.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |

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