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Note 11 - Intangible Assets
3 Months Ended
Jan. 31, 2021
Notes to Financial Statements  
Intangible Assets Disclosure [Text Block]
Note
11
Intangible assets
 
Intangible assets consist of the following (in thousands):
 
   
January 31, 2021
   
October 31, 2020
 
Amortizable intangible assets:
               
Non-compete agreement (estimated life 5 years)
  $
423
    $
423
 
Accumulated amortization
   
(256
)    
(245
)
     
167
     
178
 
                 
Customer relationships (estimated lives 7 - 15 years)
   
5,058
     
5,058
 
Accumulated amortization
   
(2,483
)    
(2,367
)
     
2,575
     
2,691
 
                 
Backlog (estimated life 1 - 2 years)
   
287
     
287
 
Accumulated amortization
   
(287
)    
(266
)
     
-
     
21
 
                 
Patents (estimated life 10 - 14 years)
   
368
     
368
 
Accumulated amortization
   
(86
)    
(77
)
     
282
     
291
 
                 
Totals
  $
3,024
    $
3,181
 
                 
Non-amortizable intangible assets:
               
Trademarks
  $
1,174
    $
1,174
 
 
Amortization expense for the
three
months ended
January 31, 2021
and the year ended
October 31, 2020
was
$157,000
and
$692,000,
respectively. As of
January 31, 2021,
the weighted-average amortization period for the amortizable intangible assets is
5.66
years.