Note 12 - Segment and Geographic Information

6 Months Ended

Sep. 30, 2017

Notes to Financial Statements

Segment Reporting Disclosure [Text Block]

12.

Segment and Geographic Information

We have a single operating segment and reportable segment. We design, develop, manufacture and market high performance semiconductor products. Our

two

Chief Executive Officers,

one

of whom is also the Chief Financial Officer, have been identified as the c

hief operating decision makers. Our chief operating decision makers review financial information presented as

one

operating segment for the purpose of making decisions, allocating resources and assessing financial performance.

Our net revenues by major ge

ographic area (based on destination) were as follows (in thousands):

	Three Months Ended				Six Months Ended
	September 30,				September 30,
	2017		2016		2017		2016
	(unaudited)				(unaudited)
United States	$	19,275	$	20,185	$	38,888	$	39,686
Europe and the Middle East:
France		2,010		2,121		3,945		5,571
Germany		10,922		8,960		20,980		17,559
Italy		1,195		915		2,173		1,991
Netherlands		1,420		941		2,816		2,081
United Kingdom		4,687		3,209		8,490		6,836
Other		6,585		5,429		12,439		11,382
Asia Pacific:
China		24,914		21,218		48,733		43,858
Japan		2,146		1,708		4,265		3,426
Malaysia		1,233		1,288		2,057		2,092
Singapore		3,102		3,577		6,121		6,584
South Korea		5,301		4,353		11,114		9,048
Thailand		937		1,040		1,744		1,851
Other		1,828		1,403		3,020		3,150
Rest of the World:
India		818		1,207		1,858		2,107
Other		1,311		1,075		2,583		2,045
Total	$	87,684	$	78,629	$	171,226	$	159,267

The following table sets forth net revenues for each of our product groups for the

three

and

six

months ended

September 30, 2017

and

2016

(in thousands):

	Three Months Ended September 30,				Six Months Ended September 30,
	2017		2016		2017		2016
	(unaudited)				(unaudited)
Power semiconductors	$	62,027	$	53,537	$	119,655	$	110,016
Integrated circuits		21,295		20,553		42,467		40,935
Systems and radio frequency power semiconductors		4,362		4,539		9,104		8,316
Total	$	87,684	$	78,629	$	171,226	$	159,267

Net revenues from significant customers, those representing

10%

or more of total revenu

e for the respective periods, are summarized as follows:

	Three Months Ended September 30,						Six Months Ended September 30,
	2017			2016			2017			2016
	(unaudited)						(unaudited)
Net Revenues:
Distributor A		15.5	%		13.7	%		15.3	%		13.8	%
Distributor B		10.6	%		10.8	%		10.6	%		10.7	%