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Inventory
9 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
Inventory
Inventory

Our inventory, net of allowance for obsolescence of $523,000 and $128,000 at September 30, 2014 and December 31, 2013, respectively, consisted of the following amounts:
 
September 30, 2014
 
December 31, 2013
 
(in thousands)
Raw materials
$
23,700

 
$
20,524

Work in process
7,650

 
6,308

 
$
31,350

 
$
26,832



During the nine months ended September 30, 2014 and 2013, there were no write offs of obsolete inventory against the allowance for obsolescence.