Condensed Consolidated Statements of Operations (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Sep. 26, 2015	Sep. 27, 2014
Statements of Operations [Abstract]
Net revenues	$ 31,570	$ 33,259
Cost of revenues	17,229	19,179
Gross profit	14,341	14,080
Operating expenses:
Research and development	4,452	4,588
Selling, general and administrative	9,066	7,300
Total operating expenses	13,518	11,888
Income from operations	823	2,192
Interest and other income, net	3,245	1,274
Income before income tax expense	4,068	3,466
Income tax expense	535	1,010
Net income from consolidated companies	3,533	2,456
Equity in net income of unconsolidated affiliate	26	39
Net income	$ 3,559	$ 2,495
Basic income per share	$ 0.16	$ 0.11
Diluted income per share	$ 0.16	$ 0.11
Shares used in computing basic income per share	21,955	21,936
Shares used in computing diluted income per share	22,523	22,262