Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Components of property, plant and equipment

Property and equipment are as follows (in thousands):

	December 31
	2014			2013
Land	$	6,780		$	5,088
Buildings and leasehold improvements	33,765			32,269
Machinery, equipment and rental tools	80,731			71,073
Equipment in progress	7,299			4,601
Furniture and fixtures	2,528			2,400
Transportation equipment	6,566			6,340
Computer equipment and software	7,605			7,617
Property and equipment	145,274			129,388
Less accumulated depreciation	(59,163		)	(50,274		)
Property and equipment, net	$	86,111		$	79,114