Stockholders' Equity (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Opening balance	$ (1,408)
Proceeds from issuance of Series B Shares	1,458
Amortization of discount
Accretion of cumulative dividend	3
Closing balance	(3,618)	(1,408)
Series B Preferred Stock [Member]
Opening balance
Proceeds from issuance of Series B Shares	1,500
Recognition of written call Option as a discount of Series B Shares	(1,500)
Amortization of discount	84
Accretion of cumulative dividend	3
Closing balance	$ 87