Note 17. Segment Reporting (Tables)

6 Months Ended

Jun. 30, 2012

Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]

	Three Months Ended June 30,								Six Months Ended June 30,
	2012				2011				2012				2011
United States	$	30,671	56	%	$	24,799	64	%	$	55,092	55	%	$	45,771	62	%
Japan		9,765	18			6,013	15			19,374	20			11,549	16
Taiwan		7,429	13			2,556	7			9,959	10			5,134	7
Other		7,373	13			5,482	14			14,662	15			10,786	15
Total revenue	$	55,238	100	%	$	38,850	100	%	$	99,087	100	%	$	73,240	100	%

Disclosure on Geographic Areas, Long-Lived Assets

	June 30,			December 31,
	2012			2011
United States		$	216,391		$	169,132
Japan			42			49
Total long-lived assets		$	216,433		$	169,181