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 - Fair Value, Recurring [Member] - USD ($)
Apr. 30, 2019
Oct. 31, 2018
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets $ 6,295,842 $ 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 3,545,842 2,781,331
Fair Value, Inputs, Level 2 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets 2,750,000 2,000,000
Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Total financial assets
Money Market Funds [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents 3,545,842 2,031,331
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 3,545,842 2,031,331
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
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
Certificates of Deposit [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents   750,000
Certificates of deposit – Short-term investments 2,750,000  
Certificates of Deposit [Member] | Fair Value, Inputs, Level 1 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents   750,000
Certificates of deposit – Short-term investments  
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  
Certificates of deposit – Short-term investments 2,750,000  
Certificates of Deposit [Member] | Fair Value, Inputs, Level 3 [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Cash and cash equivalents  
Certificates of deposit – Short-term investments  
Short-term Investments [Member]    
FAIR VALUE MEASUREMENTS (Details) - Hierarchy for financial assets measured at fair value [Line Items]    
Certificates of deposit – Short-term investments   2,000,000
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  
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   2,000,000
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