Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Consolidated Statements of Changes in Shareholders' Equity (Parenthetical)

v3.20.1
Consolidated Statements of Changes in Shareholders' Equity (Parenthetical) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Statement of changes in equity [abstract]    
Ordinary shares and warrants $ 180 $ 100