Note 3 - Business Combinations - Acquired Finite-Lived Intangible Assets (Details) $ in Thousands	May 01, 2015 USD ($)
Developed Technology Rights [Member]
Fair Value	$ 1,005
Finite-Lived Intangible Assets, Amortization Method	Accelerated
Acquired Finite-Lived Intangible Assets, Estimated Useful Life	5 years
In Process Research and Development [Member]
Fair Value	$ 1,188	[1]
Finite-Lived Intangible Assets, Amortization Method	Straight-line	[1]
Acquired Finite-Lived Intangible Assets, Estimated Useful Life	5 years	[1]
Customer Relationships [Member]
Fair Value	$ 500
Finite-Lived Intangible Assets, Amortization Method	Accelerated
Acquired Finite-Lived Intangible Assets, Estimated Useful Life	3 years
Order or Production Backlog [Member]
Fair Value	$ 174
Finite-Lived Intangible Assets, Amortization Method	Straight-line
Acquired Finite-Lived Intangible Assets, Estimated Useful Life	180 days
Fair Value	$ 2,867

[1] Amortization starts after the completion of the research and development activities of the related projects.