CONDENSED CONSOLIDATED STATEMENTS OF SHAREHOLDERS’ EQUITY - 6 months ended Jun. 30, 2017 - USD ($) $ in Thousands	Common shares	Additional paid-in capital	Accumulated other comprehensive income/(loss)	Accumulated deficit	Total
Beginning balance at Dec. 31, 2016	$ 1,593	$ 464,653	$ (6,557)	$ (396,058)	$ 63,631
Beginning balance (in shares) at Dec. 31, 2016	25,257,420				25,257,420
Increase (decrease) in shareholders' equity
Loss for the period				(41,541)	$ (41,541)
Other comprehensive income			726		726
Exercise of share options	$ 15	924			939
Exercise of share options (in shares)	279,153
Shares distributed during the period	$ 4	(4)
Shares distributed during the period (in shares)	83,500
Share-based compensation expense		3,531			3,531
Ending balance at Jun. 30, 2017	$ 1,612	$ 469,104	$ (5,831)	$ (437,599)	$ 27,286
Ending balance (in shares) at Jun. 30, 2017	25,620,073				25,620,073