Stockholders' Equity (Details Narrative) - USD ($)	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 31, 2019	Apr. 30, 2019	Jul. 31, 2019	Jul. 31, 2018	Oct. 31, 2018	Sep. 10, 2017
Number of treasury stock shares					236,586
Number of treasury stock shares, value					$ 1,129,050
Share-based compensation, options, number of shares authorized	1,000,000		1,000,000
Stock options granted			1,000,000
Stock options purchase price per share			$ 5.43
Stock-based compensation	$ 203,868	$ 25,000	$ 228,868
Outstanding stock compensation expense	$ 2,281,402		$ 2,281,402
Five Board Members [Member]
Stock options granted			59,000
Stock options purchase price per share			$ 5.43
Stock options expected term			P6Y
Stock options vesting period			12 months
Stock options aggregate grant date fair value			$ 233,050
Certain Officers [Member]
Stock options granted			941,000
Stock options purchase price per share			$ 5.43
Stock options expected term			P6Y
Stock options vesting period			3 years
Stock options aggregate grant date fair value			$ 2,277,220
2017 Share Repurchase Program [Member]
Number of treasury stock shares					236,586
Number of treasury stock shares, value					$ 1,129,050
Number of common stock repurchase						2,000,000