Property and Equipment

12 Months Ended

Dec. 31, 2015

Property, Plant and Equipment [Abstract]

Property and equipment consist of the following as of December 31, 2015 and 2014 (in thousands):



	December 31,
	2015			2014
Leasehold improvements	$	2,684		$	2,559
Lab and clean room equipment	4,564			3,040
Furniture and equipment	4,577			2,398
Construction in Progress	2,629			949
Property and equipment, gross	14,454			8,946
Less accumulated depreciation	(4,979		)	(3,499		)
Property and equipment, net	$	9,475		$	5,447

Included in property and equipment is approximately $427,000 of capital leases. The corresponding liability of approximately $133,000 is included in other liabilities in the accompanying condensed consolidated balance sheet. Also included is approximately $1,000,000 in leasehold improvements paid for by the landlord of our main operating facility with a corresponding liability included in long term liabilities, which is amortized over the term of the lease.

Depreciation expense for the years ended December 31, 2015, 2014, and 2013 was approximately $1,799,000, $1,197,000, and $637,000, respectively.