Note 16 - Segment and Geographic Information (Details) - Long Lived Assets By Geographic Region - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Note 16 - Segment and Geographic Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long lived assets by region	$ 93,324	$ 84,782
CHINA
Note 16 - Segment and Geographic Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long lived assets by region	40,738	37,147
UNITED STATES
Note 16 - Segment and Geographic Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long lived assets by region	40,405	33,913
BERMUDA
Note 16 - Segment and Geographic Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long lived assets by region	11,624	13,383
Other Region [Member]
Note 16 - Segment and Geographic Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long lived assets by region	$ 557	$ 339