NSC Agua (Details Textual) (USD $)	1 Months Ended			3 Months Ended		6 Months Ended								1 Months Ended			3 Months Ended		6 Months Ended		36 Months Ended
	Nov. 30, 2012 sqm	Aug. 31, 2012 bbl	May 31, 2010 bbl	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012	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] ha	Aug. 31, 2012 N S C Agua [Member]	Feb. 29, 2012 N S C Agua [Member]	Jun. 30, 2013 N S C Agua [Member]	Jun. 30, 2012 N S C Agua [Member]	Jun. 30, 2013 N S C Agua [Member]	Jun. 30, 2012 N S C Agua [Member]	Dec. 31, 2012 N S C Agua [Member]	May 15, 2014 N S C Agua [Member]	May 31, 2010 N S C Agua [Member]
Equity Method Investment, Ownership Percentage				43.50%		43.50%																	50.00%
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions																			99.90%
Assets				$ 164,289,263		$ 164,289,263		$ 150,449,086									$ 13,602,000		$ 13,602,000		$ 1,452,000
Liabilities				22,899,804		22,899,804		14,314,496									10,207,000		10,207,000		116,000
Seawater Reverse Osmosis Desalination Plant, Per Day Processing Capacity (Gallon)		100,000,000	100,000,000
Additional Prepayment Of Purchase Contract														500,000
Further Additional Prepayment Of Purchase Contract														500,000
Further Payment As Compensation For Operation and Maintenance															500,000
Stated Monthly Rent	20,000
Lease Term	20 years
Area Of Land, Lease Space	5,000
Plant Capacity (Gallons)									600,000	1,700,000	720,000	20,000,000	40,000,000
General and Administrative Expense				3,594,762	3,442,283	7,163,698	6,956,968										512,565	398,347	991,872	739,674	6,400,000
Repayment Of Debt Through Issuance Of Shares																			5,700,000
Payment For Additional Parcel Of Land														2,000,000
Payments to Acquire Option																1,000,000
Area Of Land Purchased														12
Projected Land Cost														12,000,000
Projected Land Cost Minimum Payments Remainder Of Fiscal Year																						10,000,000
Projected Land Cost Future Minimum Payments Due																						$ 6,980,000
Subsidiary Or Equity Method Investee Additional Ownership Percentage																25.00%