Note 6 - Goodwill and Acuisition-Related Intangible Assets, Net (Details) - Acquisition-Related Intangible Assets - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Subject to amortization:
Gross Amount	$ 7,484	$ 7,484
Accumulated Amortization	(2,431)	(672)
Net Amount	5,053	6,812
IPR&D [Member]
Subject to amortization:
Gross Amount		2,045
Net Amount		2,045
Know-How [Member]
Subject to amortization:
Gross Amount	1,018	1,018
Accumulated Amortization	(297)	(93)
Net Amount	721	925
Developed Technology Rights [Member]
Subject to amortization:
Gross Amount	6,466	4,421
Accumulated Amortization	(2,134)	(579)
Net Amount	$ 4,332	$ 3,842