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Property and Equipment
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property and Equipment
Property and Equipment
Property and equipment consist of the following as of December 31, 2013 and 2012:
 
December 31,
 
2013
 
2012
Leasehold improvements
$
2,319,928

 
$
1,022,230

Lab and clean room equipment
2,025,263

 
1,887,645

Furniture and equipment
1,240,466

 
431,563

Construction in Progress
802,319

 
10,027

Property and equipment, gross
6,387,976

 
3,351,465

Less accumulated depreciation
(2,301,870
)
 
(2,279,840
)
Property and equipment, net
$
4,086,106

 
$
1,071,625


Included in property and equipment is approximately $440,000 of capital leases. The corresponding liability is included in other liabilities in the accompanying condensed consolidated balance sheet. Also included is approximately $1.0 million in leasehold improvements paid for by the landlord of our new 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, 2013, 2012, and 2011 was approximately $637,000, $465,000, and $447,000, respectively.