Note 13 - Segment Information (Detail) - Long Lived Assets By Geographic Region (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Long Lived Assets	$ 60,436	$ 48,447
China [Member]
Long Lived Assets	37,071	32,566
United States [Member]
Long Lived Assets	23,163	15,662
Taiwan [Member]
Long Lived Assets	90	98
Japan [Member]
Long Lived Assets	57	70
Other Region [Member]
Long Lived Assets	$ 55	$ 51