Summary of Significant Accounting Policies (Details 5) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Deferred revenues HMI Solutions [Member]
Summary of Significant Accounting Policies [Line Items]
Deferred revenues	$ 33	$ 37
Deferred revenues HMI Products [Member]
Summary of Significant Accounting Policies [Line Items]
Deferred revenues	$ 39	$ 30

Amount of deferred income and obligation to transfer product and service to customer for which consideration has been received or is receivable, classified as current.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(5))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DeferredRevenueCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant