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Inventory
3 Months Ended
Mar. 31, 2015
Inventory Disclosure [Abstract]  
Inventory
Inventory
Inventories are stated at the lower of cost or market. Cost is determined using the weighted average cost of raw materials which approximates the first-in, first-out (“FIFO”) method and includes allocations of manufacturing labor and overhead. Provisions are made to reduce potentially excess, obsolete or slow-moving inventories to their net realizable value. Inventories consisted of the following at March 31, 2015 and December 31, 2014 (in thousands):
 
2015
 
2014
Raw materials
$
13,678

 
$
12,229

Work-in-process
128

 
111

Finished goods
10,416

 
7,337

Reserve for excess and obsolete inventory
(1,596
)
 
(1,354
)
Total inventory
$
22,626

 
$
18,323