Note 5 - Segment Information (Details) - Long Lived Assets By Geographic Region (USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Note 5 - Segment Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long Lived Assets	$ 71,056	$ 66,481
CHINA
Note 5 - Segment Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long Lived Assets	39,093	41,557
UNITED STATES
Note 5 - Segment Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long Lived Assets	31,753	24,719
Other Region [Member]
Note 5 - Segment Information (Details) - Long Lived Assets By Geographic Region [Line Items]
Long Lived Assets	$ 210	$ 205