Quarterly report pursuant to Section 13 or 15(d)

FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value

FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value - USD ($)	Jul. 31, 2015	Jul. 31, 2014
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets	$ 5,971,191	$ 2,655,964
Cash Equivalents [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets	3,571,191	155,964
Certificates of Deposit [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets	2,400,000	2,500,000
Fair Value, Inputs, Level 1 [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets	3,571,191	155,964
Fair Value, Inputs, Level 1 [Member] \| Cash Equivalents [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets	$ 3,571,191	$ 155,964
Fair Value, Inputs, Level 1 [Member] \| Certificates of Deposit [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets
Fair Value, Inputs, Level 2 [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets	$ 2,400,000	$ 2,500,000
Fair Value, Inputs, Level 2 [Member] \| Cash Equivalents [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets
Fair Value, Inputs, Level 2 [Member] \| Certificates of Deposit [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets	$ 2,400,000	$ 2,500,000
Fair Value, Inputs, Level 3 [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets
Fair Value, Inputs, Level 3 [Member] \| Cash Equivalents [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets
Fair Value, Inputs, Level 3 [Member] \| Certificates of Deposit [Member]
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]
Financial assets