CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (Parenthetical) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019
Best Efforts [Member]
Issuance expenses paid	$ 1,056
Best Efforts One [Member]
Issuance expenses paid		$ 686
Registered Direct [Member]
Issuance expenses paid		1,035
Warrant Exercise [Member]
Issuance expenses paid		$ 1,019