Accounts Receivable, Net - Schedule of Changes in Sales Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Accounts Receivable Net [Abstract]
Balance, beginning of period	$ (116)	$ (45)	$ (45)	$ (45)
Additions	(24)	0	(104)	0
Write-offs	15	0	24	0
Balance, end of period	$ (125)	$ (45)	$ (125)	$ (45)