Property and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property and equipment consisted of the following as of:



($ in thousands)	December 31, 2015			December 31, 2014
Laboratory equipment	$	1,416		$	1,279
Computer equipment and software	296			206
Furniture and fixtures	53			49
Leasehold improvements	903			772
Construction-in-process	156			343
Total property and equipment, gross	2,824			2,649
Less: Accumulated depreciation	(1,242		)	(1,051		)
Total property and equipment, net	$	1,582		$	1,598

Depreciation expense was approximately $0.2 million, $0.3 million and $0.3 million for the years ended December 31, 2015, 2014 and 2013, respectively.