Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value - USD ($)
Apr. 30, 2020
Oct. 31, 2019
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets $ 5,216,963 $ 5,556,944
Money Market Funds [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents 2,596,963 2,706,944
Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents   500,000
Short-term Investments [Member] | Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Short-term investments 2,620,000 2,350,000
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets 2,596,963 3,206,944
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Money Market Funds [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents 2,596,963 2,706,944
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents   500,000
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 1 [Member] | Short-term Investments [Member] | Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Short-term investments
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets 2,620,000 2,350,000
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Money Market Funds [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents  
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] | Short-term Investments [Member] | Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Short-term investments 2,620,000 2,350,000
Fair Value, Recurring [Member] | 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] | Fair Value, Inputs, Level 3 [Member] | Money Market Funds [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents  
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] | Short-term Investments [Member] | Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Short-term investments