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FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Apr. 30, 2020
Fair Value Disclosures [Abstract]  
Fair Value, Assets Measured on Recurring Basis [Table Text Block]

  

Level 1

 

Level 2

 

Level 3

 

Total

Money market funds:

    Cash and cash equivalents

 

$

 

2,596,963

 

 

$

 

-

 

 

$

 

-

 

 

$

 

2,596,963

Certificates of deposit:

    Short-term investments

 

 

 

-

 

 

 

 

2,620,000

 

 

 

 

-

 

 

 

 

2,620,000

Total financial assets

$

2,596,963

 

$

2,620,000

 

$

-

 

$

5,216,963

 

Level 1

 

Level 2

 

Level 3

 

Total

Money market funds: 

    Cash and cash equivalents

 

$

 

2,706,944

 

 

$

 

-

 

 

$

 

-

 

 

$

 

2,706,944

Certificates of deposit:

    Cash and cash equivalents

 

 

500,000

 

 

 

-

 

 

 

-

 

 

 

500,000

Short-term investments

 

-

 

 

2,350,000

 

 

-

 

 

2,350,000

Total financial assets

$

3,206,944

 

$

2,350,000

 

$

-

 

$

5,556,944

Fair Value, Liabilities Measured on Recurring Basis [Table Text Block]

  

Level 1

Level 2

Level 3

Total

Operating lease liability

$

-

 

$

-

 

$

81,712

 

$

81,712