Goodwill (Tables)

12 Months Ended

Dec. 31, 2018

Intangible Assets / Goodwill [Abstract]

Schedule of changes in carrying amount of goodwill

	Goodwill
Balance as of January 1, 2017	$	1,223
Goodwill impairment (level 3 fair value adjustment)		(587	)
Balance as of December 31, 2017		636
Goodwill impairment (level 3 fair value adjustment)		(636	)
Balance at December 31, 2018	$	--