Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Issuance costs			$ 1,177	$ 2,161
Restricted stock award, shares	142	2	837	4
Represents equity value, description	Represents an amount less than $1 thousand	Represents an amount less than $1 thousand	Represents an amount less than $1 thousand	Represents an amount less than $1 thousand
Common Stock [Member]
Issuance costs	$ 710	$ 2,171	$ 1,177	$ 2,171