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Inventories
6 Months Ended
Jun. 30, 2013
Inventory Disclosure [Abstract]  
Inventories
Inventories
Inventories are stated at the lower of cost or market using the first-in first-out costing method. Inventories as of June 30, 2013 and December 31, 2012 include the costs of material, labor, and factory overhead. Components of inventories consist of the following:

 
June 30, 2013
 
December 31, 2012
Raw materials
$
8,819

 
$
9,173

Work in process
3,846

 
1,789

Finished goods
4,690

 
5,241

 
$
17,355

 
$
16,203