Intangible Assets and Goodwill (Tables)

12 Months Ended

Dec. 31, 2017

Goodwill And Intangible Assets Disclosure [Abstract]

Summary of Intangible Assets, Related Accumulated Amortization and Goodwill

The following table presents the details of the Company’s intangible assets, related accumulated amortization and goodwill (in thousands):

	As of December 31, 2017 and 2016
			Accumulated
	Gross		Amortization			Impairment		Carrying Value
Patents (4-10 years)	$	1,914	$	(1,914	)	$	—	$	—
Trademarks (6 years)		69		(69	)		—		—
Other (4 to 6 years)		817		(817	)		—		—
Total	$	2,800	$	(2,800	)	$	—	$	—
Goodwill (Indefinite life)	$	2,926						$	2,926