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Inventories
 3 Months Ended
Mar. 31, 2020
Inventory Disclosure [Abstract]  
Inventories
Inventories
 
Inventories consisted of the following (in thousands):
 
March 31,
2020
 
December 31,
2019
Raw Material
$
5,373

 
$
6,171

Work in process
1,498

 
1,717

Finished goods
4,986

 
4,186

Total Inventories
$
11,857

 
$
12,074