Accrued expenses and other current liabilities - (Details) - USD ($)	Mar. 27, 2016	Mar. 29, 2015
Accrued expenses and other current liabilities
Deferred Revenue	$ 2,136,600	$ 6,959,300
Other Accrued Expenses	1,737,500	1,729,200
Total Accrued Expenses	$ 3,874,100	$ 8,688,500