|
Note 14 - License Agreements (Details) - Summary of Remaining Unpaid Milestone Payments by Indication (USD $)
In Millions, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2014
|
| Benign Prostate Hyperplasia [Member] | Milestone Payments Not Involving Performance Of Company Obligations [Member] | Milestones By Indication [Member] |
|
| Milestones by Indication |
|
| Remaining unpaid milestone payments |
$ 12 |
| Prostate Cancer [Member] | Milestone Payments Not Involving Performance Of Company Obligations [Member] | Milestones By Indication [Member] |
|
| Milestones by Indication |
|
| Remaining unpaid milestone payments |
21 |
| Prostatitis and other Diseases of Prostate [Member] | Milestone Payments Not Involving Performance Of Company Obligations [Member] | Milestones By Indication [Member] |
|
| Milestones by Indication |
|
| Remaining unpaid milestone payments |
21 |
| Gross Sale Targets [Member] | Milestone Payments Not Involving Performance Of Company Obligations [Member] | Milestones not Associated with Indication [Member] |
|
| Milestones by Indication |
|
| Remaining unpaid milestone payments |
8 |
| Regulatory Approvals [Member] | Milestone Payments Involving Performance Of Company Obligations [Member] | Milestones not Associated with Indication [Member] |
|
| Milestones by Indication |
|
| Remaining unpaid milestone payments |
$ 5 |