Annual report pursuant to Section 13 and 15(d)

Income taxes - Income before Income Taxes (Details)

v3.6.0.2
Income taxes - Income before Income Taxes (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Dec. 31, 2015
Dec. 31, 2016
Jun. 30, 2015
Jun. 30, 2014
Income taxes        
Loss before income taxes $ (23,055) $ (70,687) $ (21,814) $ (11,526)
UNITED STATES        
Income taxes        
Loss before income taxes (1,771) (3,373) (1,108) 1,941
U.K.        
Income taxes        
Loss before income taxes $ (21,284) $ (67,314) $ (20,706) $ (13,467)