Note 6 - Segment and Geographic Information - Long Lived Assets by Geographic Region (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
CHINA
Long lived assets by region	$ 49,574	$ 40,738
UNITED STATES
Long lived assets by region	42,752	40,405
BERMUDA
Long lived assets by region	20,185	11,624
TAIWAN, PROVINCE OF CHINA
Long lived assets by region	8,617	126
Other Region [Member]
Long lived assets by region	892	431
Long lived assets by region	$ 122,020	$ 93,324