Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flow (Parenthetical)

v3.19.1
Consolidated Statements of Cash Flow (Parenthetical) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Warrant Derivative Liabilities [Member]    
Issuance costs $ 682 $ 131
Preferred Stock [Member]    
Issuance costs 668 668
Common Stock [Member]    
Issuance costs $ 601 $ 601