Income Taxes (Details) - USD ($)	3 Months Ended		12 Months Ended
	Jun. 25, 2017	Jun. 26, 2016	Mar. 26, 2017	Jun. 25, 2017	Mar. 26, 2017
Income Taxes
Gross amount of unrecognized tax benefits	$ 204,500		$ 204,500	$ 205,400	$ 204,500
Unrecognized tax benefits, net of federal benefit	133,200		147,800
Amount of interest and penalties expense (benefit) related to tax uncertainties recognized, net of federal expense/benefit	10,800	$ 13,400
Cumulative amount of interest and penalties related to tax uncertainties, net of federal expense/benefit				$ 340,500	$ 314,300
Reconciliation of unrecognized tax benefit amounts
Beginning balance of unrecognized tax benefit	204,500
Increases related to current period tax positions	900
Ending balance of unrecognized tax benefits	$ 205,400		$ 204,500