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ACQUISITIONS (Details) (USD $)
12 Months Ended 0 Months Ended 12 Months Ended
Dec. 31, 2011
Dec. 31, 2013
Customer relationships
Dec. 31, 2013
Assay royalties
Dec. 31, 2013
Tradenames and trademarks
Sep. 21, 2012
ScoliScore Assay
Sep. 21, 2012
ScoliScore Assay
Axial
Sep. 21, 2012
ScoliScore Assay
Axial
Accrued expenses
Sep. 21, 2012
ScoliScore Assay
Certain Of Axial's Creditors
Dec. 31, 2013
ScoliScore Assay
Acquired technology
Dec. 31, 2013
ScoliScore Assay
Customer relationships
Dec. 31, 2013
ScoliScore Assay
Assay royalties
Dec. 31, 2013
ScoliScore Assay
Tradenames and trademarks
Business Acquisition [Line Items]                        
Acquisitions of intangibles $ 0       $ 3,400,000 $ 200,000            
Future payments to acquire intangible assets             800,000          
Finite-lived intangible asset, useful life   15 years 7 years 7 years         10 years 15 years 7 years 7 years
Finite-lived intangible assets acquired         3,900,000              
Goodwill, acquired during period         500,000              
Fair value of consideration transferred               $ 4,400,000