Quarterly report pursuant to Section 13 or 15(d)

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

v3.2.0.727
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