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Property and Equipment (Tables)
12 Months Ended
Dec. 31, 2015
Property, Plant and Equipment [Abstract]  
Property, plant and equipment
Property and equipment, net, as of December 31, 2015 and 2014 consist of the following:
 
December 31,
 
2015
 
2014
Land
$
3,828

 
$
3,828

Building and improvements
22,407

 
22,323

Leasehold improvements
299

 
351

Machinery and equipment
40,788

 
42,869

Office and computer equipment
15,729

 
13,760

Motor vehicles
51

 
51

 
83,102

 
83,182

Less accumulated depreciation
(43,202
)
 
(41,486
)
 
$
39,900

 
$
41,696