Registration statement for securities of certain foreign private issuers

Loss Per Share (Details)

v3.19.1
Loss Per Share (Details) - USD ($)
$ in Thousands
6 Months Ended 9 Months Ended 12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Loss Per Share Details Abstract              
Number of shares and loss used in the computation of basic and diluted loss per share, Weighted number of shares         32,525 26,693 22,953
Number of shares and loss used in the computation of basic and diluted loss per share, Loss $ 2,965 $ 3,462 $ 3,142 $ 4,638 $ 6,339 $ 8,257 $ 6,243