Goodwill and Other Intangible Assets (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of goodwill acquired

Activity in goodwill during the year ended December 31, 2016 was as follows:

Balance at January 1, 2016	$	3,581
Disposal on sale of assets		(1,039	)
Impairment of goodwill		(2,257	)
Translation differences		(285	)
Balance at December 31, 2016	$	—