Note 2 - Acquisitions - In Process Research and Development Acquired From ClariPhy (Details) - ClariPhy Communications Inc.[Member] - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 12, 2016
In-process research and development acquired	$ 97,340	$ 97,340
M200 [Member]
In-process research and development acquired		$ 60,500
Percentage of completion		67.00%
Estimated cost to complete		$ 12,064
Lightspeed III [Member]
In-process research and development acquired		$ 36,840
Percentage of completion		26.00%
Estimated cost to complete		$ 39,176