|
Note 5 - Acquisition (Details) - Allocation of Purchase Price of Assets Acquired and Liabilities Assumed (USD $)
In Thousands, unless otherwise specified |
Dec. 31, 2014
|
Dec. 31, 2013
|
Aug. 08, 2014
|
|---|---|---|---|
| Note 5 - Acquisition (Details) - Allocation of Purchase Price of Assets Acquired and Liabilities Assumed [Line Items] | |||
| Goodwill | $ 16,659 | $ 2,117 | |
| Alpine Biosciences, Inc. [Member] | |||
| Note 5 - Acquisition (Details) - Allocation of Purchase Price of Assets Acquired and Liabilities Assumed [Line Items] | |||
| Indefinite-lived intangible assets | 19,738 | ||
| Goodwill | 14,542 | ||
| Net tangible assets | (139) | ||
| Deferred tax liabilities | (6,908) | ||
| Total purchase price allocation | $ 27,233 |