Inventory (Tables)

12 Months Ended

Dec. 31, 2016

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following as of:

	December 31,
($ in thousands)	2016		2015
Raw materials (LAVIV and product candidates)	$	—	$	338
Work-in-process (LAVIV)	—		144
Total inventory, net	$	—	$	482