Intangible assets

6 Months Ended

Apr. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Intangible assets

Note 12 - Intangible assets

Intangible assets consist of the following (in thousands):

	April 30, 2019			October 31, 2018
Amortizable intangible assets:
Customer relationships (estimated lives 7 - 15 years)	$	2,879		$	2,879
Accumulated amortization		(1,752	)		(1,619	)
		1,127			1,260
Patents (estimated life 14 years)		142			142
Accumulated amortization		(40	)		(35	)
		102			107
Totals	$	1,229		$	1,367
Non-amortizable intangible assets:
Trademarks	$	657		$	657

Amortization expense for the six months ended April 30, 2019 and the year ended October 31, 2018 was $138,000 and $275,000, respectively. As of April 30, 2019, the weighted-average amortization period for the amortizable intangible assets is 10.98 years.