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Note 2 - Acquisition (Details) - Summary of the Estimated Fair Value of Intangible Assets and Their Estimated Useful Lives (USD $)
In Thousands, unless otherwise specified
|
12 Months Ended |
|
Dec. 31, 2014
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
| Finite-Lived Intangible Assets, Estimated Fair Value |
$ 82,410 |
| Developed Technology Rights [Member] | Minimum [Member] |
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
| Finite-Lived Intangible Assets, Estimated Useful Life |
5 years |
| Developed Technology Rights [Member] | Maximum [Member] |
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
| Finite-Lived Intangible Assets, Estimated Useful Life |
8 years |
| Developed Technology Rights [Member] |
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
| Finite-Lived Intangible Assets, Estimated Fair Value |
71,570 |
| Customer Relationships [Member] |
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
| Finite-Lived Intangible Assets, Estimated Fair Value |
8,170 |
| Finite-Lived Intangible Assets, Estimated Useful Life |
10 years |
| Trade Names [Member] |
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
| Finite-Lived Intangible Assets, Estimated Fair Value |
920 |
| Finite-Lived Intangible Assets, Estimated Useful Life |
5 years |
| In Process Research and Development [Member] |
|
| Acquired Finite-Lived Intangible Assets [Line Items] |
|
| Finite-Lived Intangible Assets, Estimated Fair Value |
$ 1,750 |