Segment Disclosure (Details 1) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Revenues Information by Geography
Revenues	[1]	$ 7,917	$ 8,337	$ 15,754	$ 16,040
Americas
Revenues Information by Geography
Revenues		3,279	3,468	6,770	6,718
EMEA
Revenues Information by Geography
Revenues		2,587	2,881	5,132	5,487
APJ
Revenues Information by Geography
Revenues		$ 2,051	$ 1,988	$ 3,852	$ 3,835

[1] Represents the portfolio of available for sale securities that is included in restricted investments and short-term investments in the Company’s condensed consolidated balance sheets