Deferred Revenue (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Deferred Revenue, Current
Total Deferred Revenue, Current	$ 234	$ 58
Total Deferred Revenue	234	58
Service agreements [Member]
Deferred Revenue, Current
Total Deferred Revenue, Current	232	56
Maintenance agreements [Member]
Deferred Revenue, Current
Total Deferred Revenue, Current	$ 2	$ 2