Accrued expenses and other current liabilities - (Details) - USD ($)	Mar. 28, 2021	Mar. 29, 2020
Accrued expenses and other current liabilities
Returns Reserve	$ 1,967,300	$ 3,440,100
Other Accrued Expenses	945,000	804,300
Total Accrued Expenses and other current liabilities	2,912,300	4,244,400
Return asset	1,000,000.0	2,700,000
Return liability	$ 2,000,000.0	$ 3,400,000