Note 13 - Segment Information (Details) - Revenue By Region In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013 USD ($)	Dec. 31, 2012 USD ($)	Dec. 31, 2012 AFN	Dec. 31, 2011 USD ($)	Dec. 31, 2013 CHINA USD ($)	Dec. 31, 2012 CHINA USD ($)	Dec. 31, 2011 CHINA USD ($)	Dec. 31, 2013 TAIWAN, PROVINCE OF CHINA USD ($)	Dec. 31, 2012 TAIWAN, PROVINCE OF CHINA USD ($)	Dec. 31, 2011 TAIWAN, PROVINCE OF CHINA USD ($)	Dec. 31, 2013 South East Asia [Member] USD ($)	Dec. 31, 2012 South East Asia [Member] USD ($)	Dec. 31, 2011 South East Asia [Member] USD ($)	Dec. 31, 2013 Europe [Member] USD ($)	Dec. 31, 2012 Europe [Member] USD ($)	Dec. 31, 2011 Europe [Member] USD ($)	Dec. 31, 2013 KOREA, REPUBLIC OF USD ($)	Dec. 31, 2012 KOREA, REPUBLIC OF USD ($)	Dec. 31, 2011 KOREA, REPUBLIC OF USD ($)	Dec. 31, 2013 UNITED STATES USD ($)	Dec. 31, 2012 UNITED STATES USD ($)	Dec. 31, 2011 UNITED STATES USD ($)	Dec. 31, 2013 JAPAN USD ($)	Dec. 31, 2012 JAPAN USD ($)	Dec. 31, 2011 JAPAN USD ($)	Dec. 31, 2013 Other Region [Member] USD ($)	Dec. 31, 2012 Other Region [Member] USD ($)	Dec. 31, 2011 Other Region [Member] USD ($)
Note 13 - Segment Information (Details) - Revenue By Region [Line Items]
Revenue By Region	$ 238,091	$ 213,813	213,813	$ 196,519	$ 141,400	$ 124,278	$ 113,469	$ 34,248	$ 27,477	$ 23,634	$ 21,760	$ 21,641	$ 14,789	$ 15,351	$ 16,201	$ 14,416	$ 9,992	$ 9,434	$ 14,183	$ 7,525	$ 5,711	$ 4,422	$ 7,495	$ 8,516	$ 10,681	$ 320	$ 555	$ 925