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Property and Equipment
6 Months Ended
Jun. 30, 2013
Property, Plant and Equipment [Abstract]  
Property and equipment
Property and Equipment 
Property and equipment consist of the following as of June 30, 2013 and December 31, 2012:
 
 
June 30, 2013
 
December 31, 2012
Leasehold improvements
 
$
2,147,775

 
$
1,022,230

Lab and clean room equipment
 
1,901,219

 
1,887,645

Furniture and office equipment
 
903,433

 
431,563

Construction in progress
 
556,093

 
10,027

 
 
5,508,520

 
3,351,465

Less accumulated depreciation
 
(2,517,774
)
 
(2,279,840
)
 
 
$
2,990,746

 
$
1,071,625



Included in property and equipment is approximately $154,000 of capital leases. The corresponding liability is included in other liabilities in the accompanying consolidated balance sheet.