INCOME TAXES (Details 2) - USD ($)	12 Months Ended
Jul. 31, 2017	Jul. 31, 2016	Jul. 31, 2015
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest, Total	$ (18,005,411)	$ (17,362,111)	$ (23,397,341)
UNITED STATES
Income (Loss) from Continuing Operations before Income Taxes, Domestic	(17,303,682)	(16,488,447)	(22,612,974)
CANADA
Income (Loss) from Continuing Operations before Income Taxes, Foreign	45,316	54,216	158,616
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest, Total	(3,071,291)	(2,643,806)	(3,296,918)
PARAGUAY
Income (Loss) from Continuing Operations before Income Taxes, Foreign	(747,045)	(927,880)	(942,983)
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest, Total	$ (1,581,655)	$ (969,800)	$ (997,244)

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.

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