Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value - USD ($)
Jul. 31, 2019
Oct. 31, 2018
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets $ 6,220,661 $ 4,781,331
Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets 3,370,661 2,031,331
Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets 2,850,000 2,750,000
Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets
Fair Value, Recurring [Member] | Money Market Funds [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents 3,370,661 2,031,331
Fair Value, Recurring [Member] | Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents 3,370,661 2,031,331
Fair Value, Recurring [Member] | Money Market Funds [Member] | Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents
Fair Value, Recurring [Member] | Money Market Funds [Member] | Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents
Fair Value, Recurring [Member] | Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents 750,000 750,000
Fair Value, Recurring [Member] | Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents
Fair Value, Recurring [Member] | Certificates of Deposit [Member] | Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents 750,000 750,000
Fair Value, Recurring [Member] | Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents
Fair Value, Recurring [Member] | Short-term Investments [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Certificates of deposit – Short-term investments 2,100,000 2,000,000
Fair Value, Recurring [Member] | Short-term Investments [Member] | Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Certificates of deposit – Short-term investments
Fair Value, Recurring [Member] | Short-term Investments [Member] | Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Certificates of deposit – Short-term investments 2,100,000 2,000,000
Fair Value, Recurring [Member] | Short-term Investments [Member] | Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Certificates of deposit – Short-term investments