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Derivative Instruments - Additional Information (Detail)
$ / shares in Units, shares in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
$ / shares
shares
Sep. 30, 2010
USD ($)
Sep. 30, 2010
EUR (€)
Bone Biologics Inc [Member]      
Derivatives Fair Value [Line Items]      
Purchase of notes receivable $ 1,500    
Warrants held for share purchases | shares 458    
Weighted average exercise price of warrant | $ / shares $ 1.18    
Warrants exercisable period 7 years    
Swap Agreement [Member]      
Derivatives Fair Value [Line Items]      
Swap agreement expiration date Dec. 30, 2016    
Cross-Currency swap [Member] | Designated as Hedging Instrument [Member] | Pay Euros [Member]      
Derivatives Fair Value [Line Items]      
Notional amount | €     € 9,600,000
Fixed rate (as a percent)   5.00% 5.00%
Cross-Currency swap [Member] | Designated as Hedging Instrument [Member] | Receive U.S. dollars [Member]      
Derivatives Fair Value [Line Items]      
Notional amount   $ 13,000,000  
Fixed rate (as a percent)   4.635% 4.635%