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Inventory
6 Months Ended
Jun. 30, 2017
Inventory Disclosure [Abstract]  
Inventory
Inventory

Our inventory, net of allowance for obsolescence of $16,458 and $15,000 at June 30, 2017 and December 31, 2016, respectively, consisted of the following amounts:
 
June 30, 2017
 
December 31, 2016
 
(in thousands)
Raw materials
$
19,098

 
$
18,365

Finished Goods
1,006

 
2,558

Work in process
5,327

 
4,910

 
$
25,431

 
$
25,833



During the six months ended June 30, 2017 and 2016, there were no write-offs of obsolete inventory against the allowance for obsolescence.