Accrued expenses and other current liabilities - (Details) - USD ($)	Mar. 26, 2017	Mar. 27, 2016
Accrued expenses and other current liabilities
Deferred Revenue	$ 635,100	$ 2,136,600
Other Accrued Expenses	1,593,100	1,737,500
Total Accrued Expenses	$ 2,228,200	$ 3,874,100