Accounts Receivable, Net - Schedule of Changes in Sales Reserve (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Accounts Receivable Net [Abstract]
Balance, beginning of period	$ (125)	$ (45)	$ (45)	$ (45)
Additions	0	0	(80)	0
Write-offs	9	0	9	0
Balance, end of period	$ (116)	$ (45)	$ (116)	$ (45)