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Property and Equipment (Notes)
12 Months Ended
Dec. 31, 2012
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment Disclosure [Text Block]
Property and Equipment

Property and equipment consisted of the following (in thousands):
 
 
December 31,
2012
 
December 31,
2011
Land
 
$

 
644

Manufacturing equipment
 
26,560

 
19,384

Office equipment and software
 
32,905

 
32,372

Leasehold improvements
 
7,155

 
7,460

Property and equipment, gross
 
66,620

 
59,860

Less: accumulated depreciation and amortization
 
(48,907
)
 
(44,494
)
Property and equipment, net
 
$
17,713

 
$
15,366



Depreciation and amortization expense for property and equipment for the years ended December 31, 2012, 2011 and 2010 was $7.3 million, $5.4 million and $5.1 million. During 2012, the Company reclassified $0.6 million of land previously included in property and equipment into other current assets as the land is being held for sale.