Inventory

3 Months Ended

Mar. 31, 2016

Inventory Disclosure [Abstract]

Inventory

Inventory

Inventory consisted of the following, in thousands:

	March 31, 2016		December 31, 2015
Raw materials	$	2,724	$	2,487
Work in process	2,977		2,781
Finished goods at Arena GmbH	0		165
Finished goods at Eisai	2,720		3,309
Finished goods at Ildong	633		760
Total inventory	$	9,054	$	9,502