Inventories (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Jun. 02, 2014
Inventories
Raw materials	$ 6,067	$ 6,067	$ 6,869
Work-in-process	2,627	2,627	0
Finished goods	3,526	3,526	3,136
Total inventories	12,220	12,220	10,005		$ 14,328
Inventory write-down	300	303	2,096	$ 2,887
VIBATIV
Inventories
Work-in-process	$ 2,600	$ 2,600	0
Inventory write-down			$ 1,900	$ 2,900