Industry and Segment Information (Details 1) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 28, 2013	Dec. 29, 2012	Jun. 29, 2013
Schedule of net revenues and net book value of long-lived assets by geographical segment
Total net revenues	$ 32,040	$ 30,433	$ 64,648	$ 67,182
Total long-lived assets	60,550		60,550		60,959
China (including Hong Kong) [Member]
Schedule of net revenues and net book value of long-lived assets by geographical segment
Total net revenues	14,563	15,259	29,655	30,090
Total long-lived assets	33,838		33,838		35,180
Taiwan [Member]
Schedule of net revenues and net book value of long-lived assets by geographical segment
Total net revenues	9,621	9,704	19,388	25,086
Total long-lived assets	13,257		13,257		14,120
United States [Member]
Schedule of net revenues and net book value of long-lived assets by geographical segment
Total net revenues	1,353	1,382	3,168	3,039
Total long-lived assets	12,555		12,555		10,779
Korea [Member]
Schedule of net revenues and net book value of long-lived assets by geographical segment
Total long-lived assets	763		763		659
Others (less than 10% each) [Member]
Schedule of net revenues and net book value of long-lived assets by geographical segment
Total net revenues	6,503	4,088	12,437	8,967
Total long-lived assets	$ 137		$ 137		$ 221