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