Counter guaranty fixed amount.

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- Definition

This element represents the amount of annual revenues that are expected from the project.

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No definition available.

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- Definition

Represents the period of lease.

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No definition available.

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- Definition

Amount of cash outflow associated with the option exercised by the entity.

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No definition available.

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- Definition

Represents the amount spent to enter a option agreement.

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No definition available.

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- Definition

Percentage of voting interest acquired through Option agreements.

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No definition available.

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- Definition

Represents the repayment of an inter-company loan payable through the issuance of shares of subsidiary stock.

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No definition available.

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- Definition

The processing capacity per day seawater reverse osmosis desalination plant.

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No definition available.

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- Definition

Total percentage of ownership interest in an acquired company.

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No definition available.

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Total percentage of ownership interest in an acquired company.

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No definition available.

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- Definition

Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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-SubTopic 210
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- Definition

The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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-Name Accounting Standards Codification
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- Definition

Gross carrying amount before accumulated amortization as of the balance sheet date of an intangible asset that arises from a contractual arrangement with a third party (not including franchise rights and license agreements).

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition

The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Section S99
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- Definition

Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
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- Definition

Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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No definition available.

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount of cash outflow for deposits classified as other.

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No definition available.

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Data Type:	xbrli:monetaryItemType
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- Definition

The cash outflow from the acquisition of real estate intended to generate income for the owner; excludes land acquired for use by the owner.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
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The cash outflow for acquisition of land for use; excludes purchases of land held as inventory or as investments.

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Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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NSC and AdR Project Development (Details Textual) gal in Millions		1 Months Ended							3 Months Ended		9 Months Ended		12 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 ($)	Feb. 29, 2012 USD ($)	May 31, 2010 gal	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($)	Sep. 30, 2016 USD ($)	Dec. 31, 2015 gal	Dec. 31, 2014 USD ($)	Sep. 30, 2017 MXN	Dec. 31, 2016 USD ($)	Mar. 31, 2010
Schedule of Investments [Line Items]
General and administrative expenses									$ 4,896,323	$ 4,528,679	$ 14,695,184	$ 13,925,439
Assets									165,840,457		165,840,457					$ 163,604,528
Liabilities									$ 9,871,482		$ 9,871,482					9,499,156
Equity Method Investment, Ownership Percentage									43.53%		43.53%				43.53%
Option agreement [Member]
Schedule of Investments [Line Items]
Payments To Enter Option Agreement							$ 300,000
N S C Agua [Member]
Schedule of Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners								50.00%									50.00%
Total Percentage Of Ownership Interest In An Acquired Company					99.99%
Seawater Reverse Osmosis Desalination Plant Per Day Processing Capacity \| gal		100						100
General and administrative expenses									$ 864,000	$ 606,000	$ 2,469,000	$ 2,248,000
Payments to Acquire Land Held-for-use											21,200,000
Lease Term						20 years
Assets									22,800,000		22,800,000					22,300,000
Liabilities									371,000		371,000					$ 221,000
Operating Leases, Rent Expense, Net						$ 20,000
Percentage of Voting Interest Acquired through Option Agreement				25.00%
Payments For Option Exercised				$ 1,000,000
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 \| MXN															MXN 9,100,000,000
Expected Annual Revenues From Project \| MXN															MXN 1,790,000,000
Real Estate Held-for-sale									20,560,000		20,560,000
Finite-Lived Contractual Rights, Gross									$ 665,000		$ 665,000
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%		99.60%				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
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
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					99.99%
Percentage of Voting Interest Acquired through Option Agreement							25.00%
NSA [Member]
Schedule of Investments [Line Items]
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners								50.00%
ADR [Member]
Schedule of Investments [Line Items]
Payments for Other Deposits											$ 665,000