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Note 6 - Exit and Disposal Activities (Tables)
6 Months Ended
Jul. 01, 2018
Notes Tables  
Restructuring and Related Costs [Table Text Block]
   
 
 
 
 
Costs Incurred
   
 
 
 
   
 
 
 
 
Six
Months
   
Total
   
Remaining
 
   
Total
   
Ended
   
Recognized
   
Costs to be
 
   
Program
   
July
1
, 201
8
   
to date
   
Recognized
 
                                 
Severance and benefit related costs
  $
1,350
    $
(13
)   $
1,350
    $
0
 
Asset impairments
   
188
     
0
     
188
     
0
 
Equipment relocation costs
   
1,793
     
224
     
1,648
     
145
 
Other
   
1,089
     
603
     
633
     
456
 
    $
4,420
    $
814
    $
3,819
    $
601
 
Schedule of Restructuring Reserve by Type of Cost [Table Text Block]
   
Accrued
   
 
 
 
 
Cash
   
Accrued
 
   
Balance at
   
 
 
 
 
Payments
   
Balance at
 
   
Dec. 31,
   
2018
   
or Asset
   
July
1,
 
   
201
7
   
Charge
   
Write-Offs
   
2018
 
                                 
Severance and benefit-related costs
  $
145
    $
(13
)   $
(126
)   $
6
 
Equipment relocation costs
   
0
     
224
     
(224
)    
0
 
Other
   
0
     
603
     
(603
)    
0
 
    $
145
    $
814
    $
(953
)   $
6
 
Disposal Groups, Including Discontinued Operations [Table Text Block]
   
July
1,
   
December 31,
 
   
201
8
   
201
7
 
   
(Unaudited)
   
 
 
 
                 
Machinery, equipment, furniture and fixtures
  $
17,724
    $
28,874
 
Accumulated depreciation
   
(15,583
)    
(25,976
)
Total assets
  $
2,141
    $
2,898