Significant Customer and Geographic Information (Tables)

12 Months Ended

Mar. 31, 2014

Segment Reporting [Abstract]

Schedules of concentration of risk, by risk factor

Based on direct shipments, net revenues to customers that were equal to or greater than 10% of total net revenues were as follows:

	Fiscal Years Ended March 31,
	2014		2013		2012
Wintec (global logistics provider)**	22	%	19	%	20	%
Avnet (distributor)	27	%	27	%	20	%
Flextronics (sub-contract manufacturer)	*		*		11	%

* Less than 10% of total net revenues for period indicated.

** Wintec provides vendor managed inventory support primarily for Cisco Systems, Inc.

Schedule of revenue from external customers and long-lived assets, by geographical areas

Net revenues by geographic region, which are primarily denominated in U.S. dollars, were as follows (in thousands):

	Fiscal Years Ended March 31,
	2014		2013		2012
United States of America	$	101,275	$	79,930	$	99,214
Taiwan	13,405		22,684		20,950
Hong Kong	21,477		22,044		21,458
China	6,085		2,053		4,503
Europe	33,625		35,216		41,691
Japan	23,125		13,237		13,596
Malaysia	5,788		4,733		8,276
Singapore	9,745		10,399		14,011
Other Asia	1,217		4,621		5,790
Other	408		725		1,398
	$	216,150	$	195,642	$	230,887