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Note 7 - Intangible Assets
 12 Months Ended
Sep. 28, 2019
Notes to Financial Statements  
Intangible Assets Disclosure [Text Block]
(
7
) Intangible Assets
 
The primary components of our intangible assets and the related accumulated amortization are as follows:
 
(In thousands)
  
Weighted-
Average Useful
Life (Years)
    
Gross
    
Accumulated Amortization
    
Net Book Value
  
As of September 28, 2019:
                              
Customer relationships
  
16.9
     $
9,070
     $
(2,207
 )   $
6,863
  
Developed technology and know-how  
20.0
      
1,800
      
(461
 )    
1,339
  
Non-competition agreements
  
5.0
      
1,800
      
(1,466
 )    
334
  
Trade name
  
4.0
      
140
      
(66
 )    
74
  
   
 
     $
12,810
     $
(4,200
 )   $
8,610
  
                               
As of September 29, 2018:
                              
Customer relationships
  
16.9
     $
9,070
     $
(1,598
 )   $
7,472
  
Developed technology and know-how  
20.0
      
1,800
      
(371
 )    
1,429
  
Non-competition agreements
  
5.0
      
3,687
      
(2,994
 )    
693
  
Trade name
  
4.0
      
140
      
(31
 )    
109
  
   
 
     $
14,697
     $
(4,994
 )   $
9,703
  
 
Amortization expense for intangibles was
$1.1
million in
2019,
$1.3
million in
2018
and
$1.2
million in
2017.
Amortization expense for the next
five
years, assuming
no
change in the estimated useful lives of identified intangible assets, is
$924,000
in
2020,
$809,000
in
2021,
$770,000
in
2022,
$705,000
in
2023
and
$699,000
in
2024.
We completed the acquisition of a business during
2018,
and the effects of the purchase price allocation for this transaction on the accompanying consolidated financial statements were
not
material.