Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements (Details 2)

v2.4.0.6
Fair Value Measurements (Details 2) (USD $)
In Thousands, unless otherwise specified
 9 Months Ended
Sep. 30, 2012
BNZE Note and BZNE Warrants [Member]
  
Reconciles the beginning and ending balances of Level 3 assets and liabilities  
Balance at December 31, 2011   
Additions 1,700
Change in fair value included in:  
Operating expenses   
Other income and (expense), net 1,563
Other Comprehensive loss 53
Transfer out to equity method investment (1,276)
Balance at September 30, 2012 2,040
Contingent consideration [Member]
  
Reconciles the beginning and ending balances of Level 3 assets and liabilities  
Balance at December 31, 2011 18,002
Additions 1,234
Change in fair value included in:  
Operating expenses 2,665
Other income and (expense), net   
Transfer out to equity method investment   
Balance at September 30, 2012 21,901
Deferred acquisition payments, net of discount [Member]
  
Reconciles the beginning and ending balances of Level 3 assets and liabilities  
Balance at December 31, 2011   
Additions 9,673
Change in fair value included in:  
Operating expenses   
Other income and (expense), net 79
Transfer out to equity method investment   
Balance at September 30, 2012 $ 9,752