Intangible assets

3 Months Ended

Jan. 31, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

Note 11 - Intangible assets

Intangible assets consist of the following (in thousands): 

	January 31, 2019			October 31, 2018
Amortizable intangible assets:
Customer relationships (estimated lives 7 - 15 years)	$	2,879		$	2,879
Accumulated amortization		(1,686	)		(1,619	)
		1,193			1,260
Patents (estimated life 14 years)		142			142
Accumulated amortization		(37	)		(35	)
		105			107
Totals	$	1,298		$	1,367
Non-amortizable intangible assets:
Trademarks	$	657		$	657

Amortization expense for the three months ended January 31, 2019 and the year ended October 31, 2018 was $69,000 and $275,000, respectively. As of January 31, 2019, the weighted-average amortization period for the amortizable intangible assets is 10.98 years.