Note 15 Segment and Geographic Information

9 Months Ended

Dec. 31, 2013

Segment Reporting [Abstract]

Segment Reporting Disclosure [Text Block]

15. Segment and Geographic Information

We have a single operating segment. This operating segment is comprised of semiconductor products used primarily in power-related applications. While we have separate legal subsidiaries with discrete financial information, we have one chief operating decision maker with highly integrated businesses. Our net revenues by major geographic area (based on destination) were as follows (in thousands):

		Three Months Ended				Nine Months Ended
		December 31,				December 31,
			2013		2012	2013		2012
		(unaudited)				(unaudited)
United States		$	21,959	$	19,431	$	66,043	$	64,594
Europe and the Middle East
	France		1,097		1,138		3,729		3,836
	Germany		7,376		7,433		24,538		24,036
	Italy		1,280		798		3,274		2,729
	Sweden		1,142		1,115		3,810		3,540
	Switzerland		919		952		3,033		2,603
	United Kingdom		4,177		5,465		14,924		19,018
	Other		6,943		6,154		20,125		19,624
Asia Pacific
	China		27,631		9,699		62,572		33,669
	Japan		1,238		1,348		4,644		4,893
	Korea		5,503		1,746		12,807		6,071
	Malaysia		881		1,108		2,504		3,557
	Singapore		3,048		2,287		8,792		7,441
	Other		2,631		2,235		6,720		7,386
Rest of the World
	India		1,147		1,251		3,694		4,523
	Other		2,376		1,652		5,226		5,610
Total		$	89,348	$	63,812	$	246,435	$	213,130

The following table sets forth net revenues for each of our product groups for the three and nine months ended December 31, 2013 and 2012 (in thousands):

	Three Months Ended December 31,				Nine Months Ended December 31,
		2013		2012		2013		2012
		(unaudited)				(unaudited)
Power semiconductors	$	52,688	$	45,011	$	164,074	$	152,796
Integrated circuits		31,155		13,401		65,755		44,100
Systems and RF power semiconductors		5,505		5,400		16,606		16,234
Total	$	89,348	$	63,812	$	246,435	$	213,130

For the nine months ended December 31, 2013, two distributors accounted for 11.4% and 10.2% of our net revenues, respectively. For the three and nine months ended December 31, 2012, one distributor accounted for 13.6% and 13.3%of our net revenues, respectively. For the nine months ended December 31, 2012, another distributor accounted for 10.5% of our net revenues.