Goodwill (Tables)

12 Months Ended

Dec. 31, 2015

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the carrying amount of goodwill

The changes in the carrying amount of goodwill are as follows (in thousands):

	Well Intervention			Robotics		Total
Balance at December 31, 2013	$	18,123		$	45,107	$	63,230
Other adjustments (1)	(1,084		)	—		(1,084		)
Balance at December 31, 2014	17,039			45,107		62,146
Impairment loss	(16,399		)	—		(16,399		)
Other adjustments (1)	(640		)	—		(640		)
Balance at December 31, 2015	$	—		$	45,107	$	45,107

(1) Reflects foreign currency adjustment related to the goodwill of our U.K. well intervention reporting unit.