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Note 6 - Inventories
3 Months Ended
Mar. 31, 2019
Notes to Financial Statements  
Inventory Disclosure [Text Block]
(
6
)
 
INVENTORIES
 
 
Inventories held at
March 31, 2019
and
December 31, 2018
were comprised of the following:
 
   
March 31,
201
9
   
December 31,
201
8
 
Raw materials
  $
5,068
    $
4,654
 
Work in process
   
777
     
1,026
 
Inventory consigned to others
   
62
     
62
 
Finished goods
   
1,239
     
778
 
Total inventories
  $
7,146
    $
6,520