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Property and Equipment (Details) (USD $)
Jun. 30, 2013
Dec. 31, 2012
Property and equipment [Line Items]    
Property and equipment, gross $ 5,508,520 $ 3,351,465
Less accumulated depreciation (2,517,774) (2,279,840)
Property and equipment, net 2,990,746 1,071,625
Leasehold Improvements [Member]
   
Property and equipment [Line Items]    
Property and equipment, gross 2,147,775 1,022,230
Lab and Clean Room Equipment [Member]
   
Property and equipment [Line Items]    
Property and equipment, gross 1,901,219 1,887,645
Furniture and Office Equipment [Member]
   
Property and equipment [Line Items]    
Property and equipment, gross 903,433 431,563
Construction in Progress [Member]
   
Property and equipment [Line Items]    
Property and equipment, gross 556,093 10,027
Other Liabilities [Member]
   
Property and equipment [Line Items]    
Capital lease obligations $ 154,000