Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation (Details Narrative)

Stock Based Compensation (Details Narrative)		1 Months Ended	3 Months Ended		9 Months Ended
Stock Based Compensation (Details Narrative)	May 08, 2018 $ / shares shares	Oct. 31, 2018 Days $ / shares shares	Jul. 31, 2020 USD ($) $ / shares shares	Jul. 31, 2019 USD ($) $ / shares shares	Jul. 31, 2020 USD ($) $ / shares shares	Jul. 31, 2019 USD ($) $ / shares shares
Stock option compensation to employees and directors \| $			$ 997,000	$ 784,000	$ 3,016,305	$ 2,808,910
Stock-based compensation expense on market condition \| $					0	376,000
Stock-based consulting expense related to stock options granted to consultants \| $			45,000	25,000	157,000	75,000
Stock options exercised \| $			$ 18,540	$ 22,700	122,270	102,500
Common stock issued pursuant to employee stock purchase plan \| $					$ 15,452	$ 18,560
Warrants [Member]
Vesting period						12 months
Warrant expiration date					Nov. 30, 2021	Nov. 01, 2023
Warrants purchase of common stock shares				25,000		25,000
Warrant exercise price \| $ / shares			$ 5.03	$ 4.04	$ 5.03	$ 4.04
Consulting expense \| $				$ 21,000		$ 64,000
Warrants issued
Warrants outstanding			500,000		500,000
Stock Option [Member]
Stock options exercised, shares					51,100	40,000
2018 Plan [Member]
Weighted average exercise per share \| $ / shares						$ 3.84
Shares options, granted					800,000
Stock options exercised, shares						4,000
Shares available for future grants			2,258,376		2,258,376
Employee Stock Purchase Plan [Member]
Common stock issued pursuant to employee stock purchase plan, shares					9,618	5,411
Common stock issued pursuant to employee stock purchase plan \| $					$ 15,000	$ 19,000
First Tranche [Member]
Option to purchase common stock		500,000
Weighted average exercise per share \| $ / shares		$ 5.00
Consecutive trading days \| Days		20
Employees and Directors [Member] \| Minimum [Member]
Vesting period					1 year
Employees and Directors [Member] \| Maximum [Member]
Vesting period					4 years
Chairman, President and Chief Executive Officer [Member]
Option to purchase common stock	1,500,000
Expiration date	May 31, 2021
Chairman, President and Chief Executive Officer [Member] \| 2018 Plan [Member] \| Restricted Stock [Member]
Weighted average exercise per share \| $ / shares					$ 11.00
Expiration date					May 31, 2021
Shares options, granted					1,500,000
Chairman, President and Chief Executive Officer [Member] \| Minimum [Member]
Weighted average exercise per share \| $ / shares	$ 5.00
Service period	3 months
Chairman, President and Chief Executive Officer [Member] \| Maximum [Member]
Weighted average exercise per share \| $ / shares	$ 8.00
Service period	7 months
Employees and Consultants [Member]
Shares options, granted					800,000	10,000
Employees and Consultants [Member] \| Minimum [Member]
Exercise price \| $ / shares			$ 3.64		$ 3.64
Employees and Consultants [Member] \| Maximum [Member]
Exercise price \| $ / shares			$ 4.04		$ 4.04