Property, Plant and Equipment

9 Months Ended

Sep. 30, 2012

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Note 6 — Property, Plant and Equipment

Property, plant and equipment is comprised of the following (in thousands):

	September 30, 2012			December 31, 2011
Land	$	1,456		$	1,220
Buildings and leasehold improvements		18,443			18,401
Machinery, equipment and rental tools		52,541			44,364
Equipment in progress		5,174			4,048
Furniture and fixtures		1,326			1,288
Transportation equipment		5,318			4,853
Computer equipment and software		6,177			1,900
Property and equipment		90,435			76,074
Less accumulated depreciation		(38,012	)		(32,160	)
Property and equipment, net	$	52,423		$	43,914

Depreciation expense, inclusive of expense captured in cost of revenue, totaled $2.4 million and $2.0 million for the three months ended September 30, 2012 and 2011, respectively and totaled $6.9 million and $6.0 million for the nine months ended September 30, 2012 and 2011, respectively.