Income Taxes (Details) (USD $)	3 Months Ended								12 Months Ended
	Mar. 29, 2015	Dec. 28, 2014	Sep. 28, 2014	Jun. 29, 2014	Mar. 30, 2014	Dec. 29, 2013	Sep. 29, 2013	Jun. 30, 2013	Mar. 29, 2015	Mar. 30, 2014	Mar. 31, 2013
Effective Income Tax Rate Reconciliation [Abstract]
Statutory federal rate (in hundredths)									34.20%	35.00%	35.00%
State taxes, net of federal benefit (in hundredths)									4.10%	3.30%	2.90%
Non-deductible expenses (in hundredths)									0.90%	0.70%	0.50%
Other (in hundredths)									0.00%	(0.80%)	0.20%
Effective rate (in hundredths)									39.20%	38.20%	38.60%
Federal [Abstract]
Current									$ 3,035,400	$ 9,252,700	$ 10,593,200
Deferred									1,964,800	(396,600)	(929,600)
State [Abstract]
Current									398,500	1,212,400	1,640,400
Deferred									178,100	(5,400)	(103,500)
Provision for income taxes	(41,000)	941,600	2,303,600	2,372,600	1,795,500	2,709,300	2,941,300	2,617,000	5,576,800	10,063,100	11,200,500
Deferred tax assets [Abstract]
Deferred compensation	802,700				1,260,000				802,700	1,260,000
Accrued vacation	554,100				428,700				554,100	428,700
Deferred rent	687,500				886,800				687,500	886,800
Allowance for doubtful accounts	232,800				374,300				232,800	374,300
Inventory reserves	2,175,500				1,530,000				2,175,500	1,530,000
Sales tax reserves	459,600				472,700				459,600	472,700
Other assets	516,000				1,660,600				516,000	1,660,600
Restricted Stock	89,600				0				89,600	0
Tax contingency reserve	286,200				299,900				286,200	299,900
Total deferred tax assets	5,804,000				6,913,000				5,804,000	6,913,000
Deferred tax liabilities [Abstract]
Depreciation and amortization	3,354,600				3,549,700				3,354,600	3,549,700
Other liabilities	312,400				287,300				312,400	287,300
Accrued compensation	873,700				0				873,700	0
Prepaid expenses	767,400				423,700				767,400	423,700
Total deferred tax liabilities	5,308,100				4,260,700				5,308,100	4,260,700
Deferred tax asset, net	495,900				2,652,300				495,900	2,652,300
Gross amount of unrecognized tax benefits	394,400				1,665,000				394,400	1,665,000
Net of indirect tax benefits	256,400				309,400				256,400	309,400
Unrecognized tax benefits that would impact effective tax rate	580,200								580,200
Amount of interest and penalties									(31,600)	(23,300)	71,300
Unrecognized tax benefits liability	323,800				295,500				323,800	295,500
Reconciliation of unrecognized tax benefits [Rollforward]
Beginning balance of unrecognized tax benefit				1,665,000				631,100	1,665,000	631,100	561,600
Decrease due to reclassification to income tax payable									(1,189,000)	0	0
Increase related to prior period tax positions									0	1,189,000	0
Increases related to current period tax positions									10,600	22,800	69,500
Reductions as a result of a lapse in the applicable statute of limitations									(92,200)	(177,900)	0
Ending balance of unrecognized tax benefits	$ 394,400				$ 1,665,000				$ 394,400	$ 1,665,000	$ 631,100
Tax Year 2009 [Member]
Income Tax Examination [Line Items]
Open tax year									2009
Tax Year 2015 [Member]
Income Tax Examination [Line Items]
Open tax year									2015