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INVENTORIES (Tables)
3 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Inventories Inventories consisted of the following (in thousands):
 
March 31, 2019
 
December 31, 2018
Raw materials
$
11,253

 
$
10,520

Work in process
486

 
527

Finished goods
22,589

 
21,909

Total
$
34,328

 
$
32,956