SCHEDULE OF OPTION ACTIVITY (Details) - USD ($)	9 Months Ended
	Jul. 31, 2021	Jul. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options outstanding, Beginning balance	1,698,000	1,698,000
Weighted Average Exercise Price Per Share, Outstanding Beginning balance	$ 2.58	$ 2.58
Shares, Options, Exercised	(44,000)
Weighted Average Exercise Price Per Share, Exercised	$ 2.58
Shares, Options outstanding and Exercisable	1,654,000	1,698,000
Weighted Average Exercise Price Per Share, Outstanding and Exercisable	$ 2.58	$ 2.58
Aggregate Intrinsic Value, Outstanding and Exercisable	$ 3,051,630	$ 348,000
Aggregate Intrinsic Value, Outstanding and Exercisable	3,051,630	$ 348,000
Weighted Average Exercise Price Per Share, Outstanding Ending balance
2003 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options outstanding, Beginning balance		400
Weighted Average Exercise Price Per Share, Outstanding Beginning balance		$ 17.00
Shares, Options, Granted
Weighted Average Exercise Price Per Share, Granted
Shares, Options, Exercised
Weighted Average Exercise Price Per Share, Exercised
Shares, Options, Forfeited/Expired		(400)
Weighted Average Exercise Price Per Share, Forfeited/Expired		$ 17.00
Shares, Options outstanding and Exercisable
Weighted Average Exercise Price Per Share, Outstanding and Exercisable		$ 0
Aggregate Intrinsic Value, Outstanding and Exercisable	3,138,347	$ 0
Shares, Options outstanding, Ending balance
Weighted Average Exercise Price Per Share, Outstanding Ending balance
Aggregate Intrinsic Value, Outstanding Ending balance
Shares, Options outstanding, Exercisable
Weighted Average Exercise Price Per Share, Exercisable
Aggregate Intrinsic Value, Exercisable
Aggregate Intrinsic Value, Outstanding and Exercisable	$ 3,138,347	$ 0
Weighted Average Exercise Price Per Share, Outstanding Ending balance
Weighted Average Exercise Price Per Share, Exercisable
2010 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options outstanding, Beginning balance	1,907,534	1,998,668
Weighted Average Exercise Price Per Share, Outstanding Beginning balance	$ 2.82	$ 2.80
Shares, Options, Exercised	(37,500)	(51,100)
Weighted Average Exercise Price Per Share, Exercised	$ 2.40	$ 2.39
Shares, Options, Forfeited/Expired	(10,400)	(20,534)
Weighted Average Exercise Price Per Share, Forfeited/Expired	$ 4.57	$ 1.72
Shares, Options outstanding and Exercisable	1,859,634
Weighted Average Exercise Price Per Share, Outstanding and Exercisable	$ 2.82
Shares, Options outstanding, Ending balance		1,927,034
Weighted Average Exercise Price Per Share, Outstanding Ending balance		$ 2.82
Aggregate Intrinsic Value, Outstanding Ending balance		$ 731,670
Shares, Options outstanding, Exercisable		1,772,034
Weighted Average Exercise Price Per Share, Exercisable		$ 2.84
Aggregate Intrinsic Value, Exercisable		$ 630,120
Weighted Average Exercise Price Per Share, Outstanding Ending balance		$ 2.82
Weighted Average Exercise Price Per Share, Exercisable		$ 2.84
2018 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Options outstanding, Beginning balance	4,346,661	3,935,000
Weighted Average Exercise Price Per Share, Outstanding Beginning balance	$ 3.69	$ 3.74
Shares, Options, Granted	4,370,000	800,000
Weighted Average Exercise Price Per Share, Granted	$ 3.79	$ 3.85
Shares, Options, Exercised	(33,888)
Weighted Average Exercise Price Per Share, Exercised	$ 3.81
Shares, Options, Forfeited/Expired	(1,392,781)	(258,376)
Weighted Average Exercise Price Per Share, Forfeited/Expired	$ 3.70	$ 3.86
Shares, Options outstanding, Ending balance	7,289,992	4,476,624
Weighted Average Exercise Price Per Share, Outstanding Ending balance	$ 3.74	$ 3.76
Aggregate Intrinsic Value, Outstanding Ending balance	$ 5,164,696	$ 0
Shares, Options outstanding, Exercisable	2,914,586	2,403,014
Weighted Average Exercise Price Per Share, Exercisable	$ 3.64	$ 3.76
Aggregate Intrinsic Value, Exercisable	$ 2,328,335	$ 0
Weighted Average Exercise Price Per Share, Outstanding Ending balance	$ 3.74	$ 3.76
Weighted Average Exercise Price Per Share, Exercisable	$ 3.64	$ 3.76