Amount of gain (loss) on sale or disposal of assets, including but not limited to property plant and equipment, intangible assets and equity in securities of subsidiaries or equity method investee.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Name:	us-gaap_GainLossOnDispositionOfAssets1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

Sale of Cybersecurity Assets - Schedule of Loss on Sale of Cybersecurity Assets (Details) (10 K) - USD ($) $ in Thousands			3 Months Ended		12 Months Ended
	Mar. 19, 2018	Mar. 16, 2018	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018	Dec. 31, 2017
Cash proceeds	$ 60	$ 60		$ 60	$ 60
Loss on sale of cybersecurity assets				$ (127)
Cybersecurity Assets [Member]
Cash proceeds					60
Less: Assets sold					(27)
Less: Separation payments to former management					(40)
Less: Common stock issued to former management, at fair value					(120)
Loss on sale of cybersecurity assets					$ (127)