Consolidated Statements of Changes in Equity (Unaudited) (Parenthetical) $ in Thousands	6 Months Ended
	Jun. 30, 2018 USD ($) shares
Issuance costs	$ 1,023
Restricted stock award, shares | shares	59
Represents equity value, description	Represents an amount less than $1 thousand
Common Stock [Member]
Issuance costs	$ 1,053