Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Schedule of Fair Value Measurements (Details)

v3.20.2
Fair Value Measurements - Schedule of Fair Value Measurements (Details) - USD ($)
Jul. 31, 2020
Oct. 31, 2019
Money market funds: Cash and cash equivalents $ 5,154,304 $ 2,706,944
Certificates of deposit: Cash and cash equivalents 500,000 500,000
Short-term investments 3,140,000 2,350,000
Total financial assets 8,794,304 5,556,944
Level 1 [Member]    
Money market funds: Cash and cash equivalents 5,154,304 2,706,944
Certificates of deposit: Cash and cash equivalents 500,000 500,000
Short-term investments
Total financial assets 5,654,304 3,206,944
Level 2 [Member]    
Money market funds: Cash and cash equivalents
Certificates of deposit: Cash and cash equivalents
Short-term investments 3,140,000 2,350,000
Total financial assets 3,140,000 2,350,000
Level 3 [Member]    
Money market funds: Cash and cash equivalents
Certificates of deposit: Cash and cash equivalents
Short-term investments
Total financial assets