Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value - Fair Value, Measurements, Recurring [Member] - USD ($)
Jul. 31, 2018
Oct. 31, 2017
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets $ 5,060,519 $ 6,579,232
Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets 2,310,519 3,079,282
Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets 2,750,000 3,500,000
Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets
Cash Equivalents [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets 2,310,519 3,079,282
Cash Equivalents [Member] | Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets 2,310,519 3,079,282
Cash Equivalents [Member] | Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets
Cash Equivalents [Member] | Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets
Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets 2,750,000 3,500,000
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets
Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets 2,750,000 3,500,000
Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Financial assets