Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property and equipment consisted of the following as of: 

($ in thousands)	December 31, 2014			December 31, 2013
Laboratory equipment	$	1,279		$	1,045
Computer equipment and software	206			179
Furniture and fixtures	49			15
Leasehold improvements	772			448
Construction-in-process	343			749
	2,649			2,436
Less: Accumulated depreciation	(1,051		)	(735		)
Property and equipment, net	$	1,598		$	1,701