v2.4.1.9
Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2014
Property and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
 
December 31,
 
2014
 
2013
Computer equipment and software
$
27,678

 
$
25,368

Engineering and test equipment
11,970

 
11,631

Building and improvements
11,076

 
7,902

Leasehold improvements
7,406

 
6,477

Furniture and fixtures
1,292

 
1,166

Land
695

 
695

Property and equipment, gross
60,117

 
53,239

Less: accumulated depreciation
(47,571
)
 
(43,704
)
Property and equipment, net
$
12,546

 
$
9,535