Note 14 - Segment and Geographic Information

12 Months Ended

Dec. 31, 2014

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

14. Segment and Geographic Information

The Company operates in one reportable segment. Revenue by region is classified based on the locations to which the product is transported, which may differ from the customer’s principal offices.

The following table sets forth the Company’s revenue by geographic region:

	Year Ended December 31,
	2014		2013		2012
China	$	54,312	$	23,039	$	20,724
United States		22,918		22,389		21,582
Korea		10,123		21,818		17,424
Other		68,789		35,418		31,476
	$	156,142	$	102,664	$	91,206

As of December 31, 2014, $6,153 of long-lived tangible assets are located outside the United States of which $3,463 are located in Taiwan. As of December 31, 2013, $5,217 of long-lived tangible assets are located outside the United States of which $4,694 are located in Taiwan.