Income Taxes - Deferred Taxes (Details) - USD ($)	Mar. 28, 2021	Mar. 29, 2020
Deferred tax assets :
Deferred compensation	$ 163,600	$ 264,300
Accrued vacation	362,600	469,100
Deferred rent	2,638,100	3,258,600
Allowance for doubtful accounts	357,300	1,130,900
Inventory reserves	766,300	2,794,200
Sales tax reserves	104,500	122,900
Sales return assets	451,400	1,200,400
Net operating loss	518,500	275,400
Business interest limitation carryforward	383,800	259,300
Other assets	925,900	1,013,600
Total gross deferred tax assets	6,672,000	10,788,700
Valuation allowance	(2,866,800)	(2,047,300)
Total deferred tax assets	3,805,200	8,741,400
Deferred tax liabilities :
Depreciation and amortization	(214,600)	(419,200)
Sales return liabilities	(224,100)	(950,600)
Lease right of use	(2,589,600)	(3,232,900)
Prepaid expenses and other liabilities	(803,400)	(1,106,200)
Total deferred tax liabilities	(3,831,700)	(5,708,900)
Net Deferred Tax Assets		$ 3,032,500
Net Deferred Tax Liabilities	(26,500)
Net operating loss carryforwards, Subject to expiration	$ 72,966,720