Inventory (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Inventory Disclosure [Abstract]
Raw materials (LAVIV and product candidates)	$ 71	$ 338
Work in process (LAVIV)	189	144
Total inventory, gross	260	482
Reserve for work in process expiration	(151)	0
Total inventory, net	$ 109	$ 482