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Fair Value Measurements (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands		3 Months Ended		6 Months Ended
	Dec. 21, 2016	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Warrant liability		$ 80	$ (180)	$ (190)	$ (520)
Stock price		$ 1.37		$ 1.37
Exercise Price [Member]
Exercise price	$ 2.05	$ 1.13		$ 1.13
Volatility Rate [Member]
Fair value assumptions percentage	90.00%	95.00%		95.00%
Risk Free Interest Rate [Member]
Fair value assumptions percentage	2.01%	2.68%		2.68%
Warrant [Member]
Warrant liability	$ 1,030			$ 1,010
Term expiration date	Jun. 21, 2022			Jun. 21, 2022
Stock price	$ 1.28	$ 1.32		$ 1.32
Warrants exercise price reduced				$ 0.392

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Amount of expense (income) related to adjustment to fair value of warrant liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 480
-SubTopic 10
-Section 25
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109262497&loc=d3e20148-110875

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Price of a single share of a number of saleable stocks of a company.

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