Note 6 - Goodwill and Acuisition-Related Intangible Assets, Net (Details) - Acquisition-Related Intangible Assets (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014
Subject to amortization:
Accumulated Amortization	$ (672)
Net Amount	4,767
Not subject to amortization:
Total	7,484
Total	(672)
Total	6,812
IPR&D [Member]
Not subject to amortization:
IPR&D	2,045
Know-How [Member]
Subject to amortization:
Gross Amount	1,018
Accumulated Amortization	(93)
Net Amount	925
Not subject to amortization:
Total	(93)
Developed Technology Rights [Member]
Subject to amortization:
Gross Amount	4,421
Accumulated Amortization	(579)
Net Amount	3,842
Not subject to amortization:
Total	$ (579)