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Inventory
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventory
Inventory

Our inventory, net of allowance for obsolescence of $225,000 at March 31, 2015 and December 31, 2014, consisted of the following amounts:
 
March 31, 2015
 
December 31, 2014
 
(in thousands)
Raw materials
$
21,596

 
$
25,984

Work in process
5,882

 
6,640

 
$
27,478

 
$
32,624



During the three months ended March 31, 2015 and 2014, there were no write offs of obsolete inventory against the allowance for obsolescence.