SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Schedule of Intangible Assets) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 4,626	$ 4,562
Accumulated Amortization	(3,550)	(3,412)
Net Intangible Assets	1,076	1,150
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	257	254
Accumulated Amortization	(132)	(114)
Net Intangible Assets	$ 125	$ 140
Weighted Average Amortization Period	15 years	15 years
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 713	$ 672
Accumulated Amortization	(239)	(172)
Net Intangible Assets	$ 474	$ 500
Weighted Average Amortization Period	13 years	13 years
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 2,973	$ 2,972
Accumulated Amortization	(2,765)	(2,741)
Net Intangible Assets	$ 208	$ 231
Weighted Average Amortization Period	6 years	6 years
Other [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 378	$ 373
Accumulated Amortization	(333)	(326)
Net Intangible Assets	$ 45	$ 47
Weighted Average Amortization Period	8 years	8 years
Tradenames and trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Intangible Assets	$ 245	$ 231
Accumulated Amortization	(81)	(59)
Net Intangible Assets	164	172
Indefinite tradenames and trademarks	$ 60	$ 60
Weighted Average Amortization Period	13 years	13 years