XML 37 R26.htm IDEA: XBRL DOCUMENT v3.10.0.1
Intangible assets (Tables)
 9 Months Ended
Jul. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible assets
Intangible assets consist of the following (in thousands): 
 
 
 
July 31, 2018
 
 
October 31, 2017
 
Amortizable intangible assets:
 
 
 
 
 
 
 
 
Customer relationships (estimated lives 7 - 15 years)
 
$
5,099
 
 
$
5,099
 
Accumulated amortization
 
 
(2,594
)
 
 
(2,186
)
 
 
 
2,505
 
 
 
2,913
 
 
 
 
 
 
 
 
 
 
Patents (estimated life 14 years)
 
 
142
 
 
 
142
 
Accumulated amortization
 
 
(32
)
 
 
(25
)
 
 
 
110
 
 
 
117
 
 
 
 
 
 
 
 
 
 
Totals
 
$
2,615
 
 
$
3,030
 
 
 
 
 
 
 
 
 
 
Non-amortizable intangible assets:
 
 
 
 
 
 
 
 
Trademarks
 
$
1,237
 
 
$
1,237