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Note 10 - Inventory
6 Months Ended
Jun. 30, 2019
Notes to Financial Statements  
Inventory Disclosure [Text Block]
(
1
0
)
Inventory
 
Inventory consists of the following (in thousands):
 
   
June 30,
   
December 31,
 
   
2019
   
2018
 
   
(Unaudited)
   
 
 
 
Raw materials
  $
15,242
    $
12,354
 
Work in process
   
4,871
     
6,331
 
Finished goods
   
1,439
     
1,313
 
Reserve for excess and obsolete inventory
   
(1,633
)    
(1,414
)
Total
  $
19,919
    $
18,584