Consolidated Statements of Changes in Equity (Parenthetical) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Issuance costs	$ 2,206	$ 776
Restricted stock award, shares	201	202
Represents equity value, description	Represents an amount less than $1 thousand
Preferred C Stock [Member]
Issuance costs		$ 776
Preferred D Stock [Member]
Issuance costs		$ 90
Common Stock [Member]
Issuance costs	$ 2,206