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Note 2 - Acquisitions (Tables)
9 Months Ended
Sep. 30, 2019
Notes Tables  
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
   
As of
 
Details of Acquisition (in thousands)
 
August 5, 2019
 
Assets acquired
       
Inventories
  $
43
 
Property and equipment
   
67
 
Goodwill
   
166
 
Intangible assets
   
23
 
Total assets acquired
  $
299
 
Total liabilities assumed
  $
(166
)
Cash paid
  $
133
 
   
As of
 
Details of Acquisition (in thousands)
 
January 2, 2019
 
Assets acquired
       
Accounts receivable, net
  $
461
 
Inventories
   
586
 
Property and equipment
   
4,138
 
Goodwill
   
898
 
Intangible assets
   
5,599
 
Total assets acquired
  $
11,682
 
Total liabilities assumed
  $
(682
)
Cash paid
  $
11,000