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Property and Equipment
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment [Abstract]  
Property and Equipment
PROPERTY AND EQUIPMENT

Property and equipment consisted of the following at December 31, 2011 and 2010:

 
2011
 
2010
 
(in thousands)
Computer equipment and software
$
8,632

 
$
9,116

Shop equipment
1,688

 
1,735

Furniture and fixtures
1,462

 
1,480

Building and leasehold improvements
2,926

 
2,771

Autos and trucks
450

 
696

 
$
15,158

 
$
15,798

Accumulated depreciation and amortization
(11,917
)
 
(11,577
)
 
$
3,241

 
$
4,221

Leasehold improvements and software implementations in process
143

 
195

Property and equipment, net
$
3,384

 
$
4,416


Depreciation expense has been approximately $1,389,000, $2,541,000 and $2,996,000 for the three years ended December 31, 2011, 2010 and 2009, respectively.