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INTANGIBLES AND OTHER ASSETS Goodwill and Intangible Assets Disclosure (Details) (USD $)
 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost $ 13,793,000 $ 13,569,000  
Finite-lived intangible assets, accumulated amortization 4,598,000 2,805,000  
Finite-lived intangible assets, net book value 9,195,000 10,764,000  
Amortization expense 1,900,000 1,400,000 1,300,000
Amortization expense, 2014 decrease 400,000    
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]      
Amortization expense, 2014 1,400,000    
Amortization expense, 2015 1,300,000    
Amortization expense, 2016 1,300,000    
Amortization expense, 2017 1,300,000    
Amortization expense, 2018 1,000,000    
Acquired technology
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost 9,009,000 9,009,000  
Finite-lived intangible assets, accumulated amortization 3,175,000 1,910,000  
Finite-lived intangible assets, net book value 5,834,000 7,099,000  
Acquired technology | Minimum
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible asset, useful life 7 years    
Acquired technology | Maximum
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible asset, useful life 10 years    
Assay royalties
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost 1,434,000 1,434,000  
Finite-lived intangible assets, accumulated amortization 614,000 410,000  
Finite-lived intangible assets, net book value 820,000 1,024,000  
Finite-lived intangible asset, useful life 7 years    
Third party payor relationships
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost 367,000 367,000  
Finite-lived intangible assets, accumulated amortization 73,000 49,000  
Finite-lived intangible assets, net book value 294,000 318,000  
Finite-lived intangible asset, useful life 3 years    
Tradenames and trademarks
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost 824,000 824,000  
Finite-lived intangible assets, accumulated amortization 233,000 115,000  
Finite-lived intangible assets, net book value 591,000 709,000  
Finite-lived intangible asset, useful life 7 years    
Customer relationships
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost 652,000 652,000  
Finite-lived intangible assets, accumulated amortization 54,000 11,000  
Finite-lived intangible assets, net book value 598,000 641,000  
Finite-lived intangible asset, useful life 15 years    
Covenants not to compete
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost 184,000 184,000  
Finite-lived intangible assets, accumulated amortization 77,000 15,000  
Finite-lived intangible assets, net book value 107,000 169,000  
Finite-lived intangible asset, useful life 3 years    
Patents
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost 1,153,000 929,000  
Finite-lived intangible assets, accumulated amortization 336,000 280,000  
Finite-lived intangible assets, net book value 817,000 649,000  
Intellectual property
      
Acquired Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, cost 170,000 170,000  
Finite-lived intangible assets, accumulated amortization 36,000 15,000  
Finite-lived intangible assets, net book value $ 134,000 $ 155,000  
Finite-lived intangible asset, useful life 7 years