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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 2) (USD $)
12 Months Ended
Dec. 31, 2013
item
Dec. 31, 2012
Dec. 31, 2011
Property and equipment      
Depreciation expense $ 1,418,000 $ 985,000 $ 411,000
Assets under construction 2,592,000    
Software Capitalization Policy      
Software development stages 3    
Patent Costs      
Estimated useful life of patents 5 years    
Accrued clinical trial costs related to site payments   400,000 400,000
Laboratory equipment | Minimum
     
Property and equipment      
Estimated Useful Life 3 years    
Laboratory equipment | Maximum
     
Property and equipment      
Estimated Useful Life 5 years    
Office and computer equipment
     
Property and equipment      
Estimated Useful Life 3 years    
Furniture and fixtures
     
Property and equipment      
Estimated Useful Life 3 years    
Software projects
     
Property and equipment      
Assets under construction 1,700,000    
Expected cost to complete construction of project 1,000,000    
Equipment
     
Property and equipment      
Assets under construction 900,000    
Expected cost to complete construction of project $ 500,000