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Commitments and Contingencies (Details) (USD $)
1 Months Ended 12 Months Ended
May 31, 2011
Oct. 31, 2000
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Operating lease obligations          
2013     $ 584,000    
2014     584,000    
2015     572,000    
2016     567,000    
2017     439,000    
Thereafter     3,223,000    
Total     5,969,000    
Leases, related disclosures          
Rent expense, net     600,000 600,000 900,000
Lease term for research and development facility   25 years      
Extended term of lease for office space 5 years        
Manufactured products
         
Purchase Obligations          
Purchase obligations with ALIGN       $ 200,000