DIVESTITURE (Details)
$ / shares in Units, $ in Thousands
3 Months Ended 9 Months Ended
Apr. 10, 2015
USD ($)
multiplier
shares
Sep. 30, 2016
USD ($)
$ / shares
Sep. 30, 2015
USD ($)
Sep. 30, 2016
USD ($)
item
$ / shares
Sep. 30, 2015
USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Discount rate (as a percent)       17.00%  
Decrease (Increase) in fair value of warrants   $ (200) $ 300 $ 300 $ (600)
Estimated consideration received          
Fair value of warrants         2,123
Gain on the Gainesville Transaction     26   9,937
Minimum          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Discount rate (as a percent)       10.80%  
Maximum          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Discount rate (as a percent)       12.20%  
Gainesville Transaction          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Number of regulatory milestones | item       2  
Fair value of warrants   $ 1,500   $ 1,500  
Gainesville Transaction | Minimum          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Period of milestone events occurrence       1 year  
Discount rate (as a percent)       3.20%  
Gainesville Transaction | Maximum          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Period of milestone events occurrence       2 years  
Discount rate (as a percent)       4.10%  
Gainesville Transaction | Disposal Group, Held-for-sale or Disposed of by Sale, Not Discontinued Operations          
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]          
Warrants received | shares 350,000        
Number of times closing price of common stock on prior day | multiplier 2        
Maximum milestone payment receivable $ 120,000        
Disposal group income before income tax     $ 0   $ 4,500
Estimated consideration received          
Cash 54,010        
Fair value of warrants 2,123        
Fair value of contingent consideration 57,600        
Total consideration received 113,733        
Less: net assets sold (101,373)        
Less: transaction costs (2,724)        
Gain on the Gainesville Transaction $ 9,636        
Recro | Gainesville Transaction          
Fair Value Assumptions and Methodology for Assets and Liabilities [Abstract]          
Closing stock price at June 30, 2016 | $ / shares   $ 8.84   $ 8.84  
Warrant strike price | $ / shares   $ 19.46   $ 19.46  
Expected term (years)       5 years 6 months 7 days  
Risk-free rate (as a percent)       1.26%  
Volatility (as a percent)       77.40%