Income Taxes - Unrecognized Tax Benefits (Details) - USD ($)	12 Months Ended
	Mar. 27, 2016	Mar. 29, 2015	Mar. 30, 2014	Mar. 27, 2016	Mar. 29, 2015
Income Taxes
Gross amount of unrecognized tax benefits	$ 394,400	$ 1,665,000	$ 631,100	$ 290,400	$ 394,400
Unrecognized tax benefits, net of federal benefit	188,800	256,400
Amount of interest and penalties expense (benefit) related to tax uncertainties recognized, net of federal expense/benefit	16,600	(31,600)	(23,300)
Cumulative amount of interest and penalties related to tax uncertainties, net of federal expense/benefit				399,814	$ 323,800
Net unrecognized tax benefits, inclusive of indirect tax benefits and deferred tax benefits	188,800
Associated penalties and interest of net unrecognized tax benefits	339,800
Unrecognized tax benefits that would impact effective tax rate				$ 528,600
Reconciliation of unrecognized tax benefit amounts
Beginning balance of unrecognized tax benefit	394,400	1,665,000	631,100
Decrease due to reclassification to income tax payable		(1,189,000)
Increase related to prior period tax positions			1,189,000
Increases related to current period tax positions	3,800	10,600	22,800
Reductions as a result of a lapse in the applicable statute of limitations	(107,800)	(92,200)	(177,900)
Ending balance of unrecognized tax benefits	$ 290,400	$ 394,400	$ 1,665,000