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Shareholders' Equity (Details Narrative) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		3 Months Ended		9 Months Ended
	May 31, 2018	Jan. 31, 2018	Dec. 31, 2016	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018	Dec. 31, 2018	Jun. 30, 2018
Proceeds from issuance of common stock							$ 1,666
Number of share issued							1,288,537
Net share price					$ 1.41		$ 1.41
Net proceeds from offering							$ 1,817
Warrant exercise price				$ 1.13	$ 2.05	$ 1.13	$ 2.05	$ 1.13	$ 1.13
Fair value of warrants				$ (23)	$ 288	$ 219	$ 478
Warrant liability				206		206		$ 425
Stock-based compensation expense				9	$ 13	35	$ 623
Unrecognized share based compensation				$ 6		$ 6
Recognized share based compensation	$ 583
Unrestricted shares of common stock granted	485,168
Number of unvested stock options forfeited						5,000
Nmber of stock option forfeited							69,225
Common Stock [Member]
Number of share issued							1,288,537
Market Offering [Member]
Offering expenses							$ 151
Registered Direct Offering [Member]
Number of share issued			1,000,000
Net share price			$ 1.50
Proceeds from warrants			$ 1,320
Registered Direct Offering [Member] | Warrant [Member]
Warrants to purchase common stock			1,000,000
Warrant exercise price			$ 2.05
Fair value of warrants			$ 1,240
Registered Direct Offering [Member] | Common Stock [Member]
Fair value of warrants			$ 80
Common Stock Sales Agreement [Member]
Proceeds from issuance of common stock		$ 2,500

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