Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v3.8.0.1
Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]      
U.S. $ (26,578) $ (13,556) $ (12,329)
Foreign
Total $ (26,578) $ (13,556) $ (12,329)