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Note 7 - Goodwill and Identifiable Intangible Assets (Details) - Identifiable Intangible Assets (USD $)
In Thousands, unless otherwise specified
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Dec. 31, 2014
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Finite Lived Intangible Assets, Gross |
$ 83,989 |
| Finite Lived Intangible Assets, Accumulated Amortization |
3,216 |
| Finite Lived Intangible Assets, Net |
80,773 |
| Developed Technology Rights [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Finite Lived Intangible Assets, Gross |
71,570 |
| Finite Lived Intangible Assets, Accumulated Amortization |
2,857 |
| Finite Lived Intangible Assets, Net |
68,713 |
| Customer Relationships [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Finite Lived Intangible Assets, Gross |
8,170 |
| Finite Lived Intangible Assets, Accumulated Amortization |
201 |
| Finite Lived Intangible Assets, Net |
7,969 |
| Trade Names [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Finite Lived Intangible Assets, Gross |
920 |
| Finite Lived Intangible Assets, Accumulated Amortization |
46 |
| Finite Lived Intangible Assets, Net |
874 |
| Patents [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Finite Lived Intangible Assets, Gross |
1,579 |
| Finite Lived Intangible Assets, Accumulated Amortization |
112 |
| Finite Lived Intangible Assets, Net |
1,467 |
| In Process Research and Development [Member] |
|
| Finite-Lived Intangible Assets [Line Items] |
|
| Finite Lived Intangible Assets, Gross |
1,750 |
| Finite Lived Intangible Assets, Net |
$ 1,750 |