Quarterly report pursuant to Section 13 or 15(d)

Stock Based Compensation - Schedule of Outstanding and Exercisable (Details)

Stock Based Compensation - Schedule of Outstanding and Exercisable (Details) - $ / shares	6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Oct. 31, 2020	Oct. 31, 2019
Number of Outstanding			1,698,000	1,698,000
Weighted Average Exercise Price			$ 2.58	$ 2.58
2010 Plan [Member]
Number of Outstanding	11,859,634	1,949,234	11,907,534	1,998,668
Weighted Average Exercise Price	$ 2.82	$ 2.81	$ 2.82	$ 2.80
Number Exercisable, Options Exercisable	11,820,884	1,740,484
Weighted Average Exercise Price, Options Exercisable	$ 2.82	$ 2.85
2010 Plan [Member] \| Range 1 [Member]
Range of Exercise Prices, Lower limit	0.67	0.67
Range of Exercise Prices, Upper limit	$ 2.30	$ 2.30
Number of Outstanding	527,500	561,500
Weighted Average Remaining Contractual Life (in years)	5 years 22 days	6 years 11 days
Weighted Average Exercise Price	$ 1.54	$ 1.56
Number Exercisable, Options Exercisable	513,750	480,250
Weighted Average Remaining Contractual Life (in years), Options Exercisable	5 years 11 days	5 years 10 months 3 days
Weighted Average Exercise Price, Options Exercisable	$ 1.56	$ 1.66
2010 Plan [Member] \| Range 2 [Member]
Range of Exercise Prices, Lower limit	2.58	2.58
Range of Exercise Prices, Upper limit	$ 3.13	$ 3.13
Number of Outstanding	818,000	853,200
Weighted Average Remaining Contractual Life (in years)	2 years 10 months 25 days	3 years 3 months 11 days
Weighted Average Exercise Price	$ 2.80	$ 2.79
Number Exercisable, Options Exercisable	818,000	853,200
Weighted Average Remaining Contractual Life (in years), Options Exercisable	3 years 3 months 8 days	3 years 8 months 19 days
Weighted Average Exercise Price, Options Exercisable	$ 2.80	$ 2.79
2010 Plan [Member] \| Range 3 [Member]
Range of Exercise Prices, Lower limit	3.46	3.46
Range of Exercise Prices, Upper limit	$ 5.30	$ 5.75
Number of Outstanding	514,134	534,534
Weighted Average Remaining Contractual Life (in years)	7 years	7 years 8 months 9 days
Weighted Average Exercise Price	$ 4.16	$ 4.16
Number Exercisable, Options Exercisable	489,134	407,034
Weighted Average Remaining Contractual Life (in years), Options Exercisable	6 years 11 months 26 days	7 years 6 months 14 days
Weighted Average Exercise Price, Options Exercisable	$ 4.20	$ 4.38
2018 Plan [Member]
Number of Outstanding	5,299,992	4,735,000	4,346,661	3,935,500
Weighted Average Exercise Price	$ 3.58	$ 3.76	$ 3.69	$ 3.74
Number Exercisable, Options Exercisable	2,626,391	2,107,779
Weighted Average Exercise Price, Options Exercisable	$ 3.66	$ 3.75
2018 Plan [Member] \| Range 1 [Member]
Range of Exercise Prices, Lower limit	2.09
Range of Exercise Prices, Upper limit	$ 3.70
Exercise Prices		3.70
Number of Outstanding	3,975,000	3,100,000
Weighted Average Remaining Contractual Life (in years)	7 years 10 months 14 days	8 years 11 days
Weighted Average Exercise Price	$ 3.38	$ 3.70
Number Exercisable, Options Exercisable	1,901,945	1,566,666
Weighted Average Remaining Contractual Life (in years), Options Exercisable	7 years 4 months 13 days	8 years 11 days
Weighted Average Exercise Price, Options Exercisable	$ 3.55	$ 3.70
2018 Plan [Member] \| Range 2 [Member]
Range of Exercise Prices, Lower limit	3.84	3.84
Range of Exercise Prices, Upper limit	$ 5.30	$ 4.61
Number of Outstanding	1,324,992	1,635,000
Weighted Average Remaining Contractual Life (in years)	7 years 2 months 8 days	8 years 11 months 1 day
Weighted Average Exercise Price	$ 4.16	$ 3.88
Number Exercisable, Options Exercisable	724,446	541,113
Weighted Average Remaining Contractual Life (in years), Options Exercisable	7 years 5 months 5 days	8 years 4 months 13 days
Weighted Average Exercise Price, Options Exercisable	$ 3.96	$ 3.75
Outside of Share Plans [Member] \| Range 1 [Member]
Exercise Prices	2.58	2.58
Options Outstanding and Exercisable	1,654,000	1,698,000
Weighted Average Remaining Contractual Life (in years)	1 year 3 months 22 days	2 years 2 months 30 days
Weighted Average Exercise Price	$ 2.58	$ 2.58