Deferred Revenue (Tables)

12 Months Ended

Dec. 31, 2018

Revenue Recognition and Deferred Revenue [Abstract]

Schedule of deferred revenue

	As of December 31,
	2018		2017
Deferred Revenue, Current
Maintenance agreements	$	89	$	5,554
Service and other agreements		93		-
Total Deferred Revenue, Current		182		5,554
Deferred Revenue, Non-Current
Maintenance agreements		-		2,636
Total Deferred Revenue	$	182	$	8,190