Other Current Assets (Tables)

3 Months Ended

Mar. 31, 2018

Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract]

Schedule of Other Current Assets

The following table presents the components of other current assets:

	March 31,		December 31,
	2018		2017
	(In thousands)
	(unaudited)
Prepaid expenses	$	1,442	$	1,519
Advances to vendors		6,738		6,403
Other receivables		124		1,422
Total	$	8,304	$	9,344