CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Dec. 30, 2012	Jan. 01, 2012	Dec. 30, 2012	Jan. 01, 2012
Sales:
Net sales	$ 22,235	$ 20,749	$ 63,210	$ 71,732
Net sales, related party	8,764	8,930	27,662	31,045
Total net sales	30,999	29,679	90,872	102,777
Cost of sales:
Cost of sales	11,922	11,130	34,846	38,128
Cost of sales, related party	4,005	4,299	12,897	14,867
Amortization of purchased intangible assets	801	905	2,578	2,715
Restructuring charges and exit costs	79		160	152
Total cost of sales	16,807	16,334	50,481	55,862
Gross profit	14,192	13,345	40,391	46,915
Operating expenses:
Research and development	5,376	8,871	16,598	26,989
Selling, general and administrative	8,645	9,909	24,066	28,824
Restructuring charges and exit costs	524		1,619	173
Total operating expenses	14,545	18,780	42,283	55,986
Loss from operations	(353)	(5,435)	(1,892)	(9,071)
Other income and expense, net:
Interest income and other, net	586	593	1,906	2,019
Interest expense	(56)	(60)	(128)	(181)
Total other income and expense, net	530	533	1,778	1,838
Income (loss) before income taxes	177	(4,902)	(114)	(7,233)
Provision for (benefit from) income taxes	(1,346)	(169)	(1,324)	3
Net income (loss)	$ 1,523	$ (4,733)	$ 1,210	$ (7,236)
Net income (loss) per share:
Basic	$ 0.03	$ (0.11)	$ 0.03	$ (0.16)
Diluted	$ 0.03	$ (0.11)	$ 0.03	$ (0.16)
Shares used in the computation of net income (loss) per share:
Basic	45,925	44,830	46,228	44,726
Diluted	46,438	44,830	46,623	44,726