Note 14 - License Agreements (Tables)
12 Months Ended
Dec. 31, 2014
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Revenue Recognition, Milestone Method [Table Text Block]
   

Milestone Payments
Involving Performance
of Company
Obligations

(in millions)

   

Milestone Payments Not
Involving Performance
of Company
Obligations

(in millions)

 

Milestones by Indication

               

BPH

        $ 12  

Prostate cancer

        $ 21  

Prostatitis and other diseases of the prostate

        $ 21  

Milestones Not Associated with an Indication

               

Gross sale targets

        $ 8  

Regulatory approvals

  $ 5