Significant Customer and Geographic Information (Tables)

12 Months Ended

Mar. 31, 2015

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,
	2015		2014		2013
Wintec (global logistics provider)*	20	%	22	%	19	%
Avnet (distributor)	26	%	27	%	27	%

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

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

Based on ship to location, net revenues by geographic region were as follows (in thousands):

	Fiscal Years Ended March 31,
	2015		2014		2013
United States of America	$	70,977	$	101,275	$	79,930
Taiwan	13,099		13,405		22,684
Hong Kong	21,808		21,477		22,044
China	982		6,085		2,053
Europe	24,728		33,625		35,216
Japan	22,974		23,125		13,237
Malaysia	4,666		5,788		4,733
Singapore	5,594		9,745		10,399
Other Asia	173		1,217		4,621
Other	10		408		725
	$	165,011	$	216,150	$	195,642