Annual report pursuant to Section 13 and 15(d)

Balance Sheet Account Details - Other Current Assets (Details)

v3.10.0.1
Balance Sheet Account Details - Other Current Assets (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Other Balance Sheet Details [Abstract]    
Restricted cash $ 2,616 $ 0
Investment in Viking warrants 9,257 0
Other 8,545 1,514
Other current assets $ 20,418 $ 1,514