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Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 24, 2019
Mar. 25, 2018
Mar. 24, 2019
Mar. 25, 2018
Income Taxes [Abstract]        
Income tax expense $ 9 $ 6 $ 188 $ (8)
Federal statutory rate 21.00%   21.00%  
State tax expense $ 2   $ 22  
Accrued foreign taxes 1      
Deferred taxes 6   166  
Gross deferred tax assets 5,700   5,700  
Deferred tax assets, valuation allowance $ 2,400   $ 2,400