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Property and Equipment
9 Months Ended
Sep. 30, 2014
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
Property and equipment are as follows (in thousands):
 
 
September 30, 2014
 
December 31, 2013
Land
 
$
5,852

 
$
5,088

Buildings and leasehold improvements
 
32,695

 
32,269

Machinery, equipment and rental tools
 
78,839

 
71,073

Equipment in progress
 
6,771

 
4,601

Furniture and fixtures
 
2,499

 
2,400

Transportation equipment
 
6,168

 
6,340

Computer equipment and software
 
7,513

 
7,617

Property and equipment
 
140,337

 
129,388

Less accumulated depreciation
 
(57,067
)
 
(50,274
)
Property and equipment, net
 
$
83,270

 
$
79,114



Depreciation expense, including expense recorded in cost of revenue, totaled $3.3 million and $3.0 million for the three months ended September 30, 2014 and 2013, respectively, and $9.7 million and $8.4 million for the nine months ended September 30, 2014 and 2013, respectively.