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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
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