Income Taxes - Additional Infromation (Detail) - USD ($)	12 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 29, 2013
Income Taxes [Line Items]
Income tax credits	$ 200,000
Income tax credit research expiration period	2028
Income tax credit research for federal and development tax credits	$ 1,600,000	$ 150,000	$ 539,000
Income tax credit research for foreign tax credits	45,000
Valuation allowance	7,200,000	$ 5,600,000
Federal [Member]
Income Taxes [Line Items]
Operating loss carry forwards	$ 11,100,000
Operating loss carry forward expiration year	2035
State [Member]
Income Taxes [Line Items]
Operating loss carry forwards	$ 1,800,000
Operating loss carry forward expiration year	2035
Foreign [Member]
Income Taxes [Line Items]
Operating loss carry forwards	$ 500,000
Operating loss carry forward expiration year	2034
Operating loss carry forwards not subject to expiration	$ 7,100,000
Accumulated Earnings and Profits	$ 5,300,000
Minimum [Member]
Income Taxes [Line Items]
Income tax credit research expiration period	2020
Maximum [Member]
Income Taxes [Line Items]
Income tax credit research expiration period	2023