Property and Equipment (Details) (USD $)	12 Months Ended
	Mar. 31, 2013	Apr. 01, 2012	Mar. 27, 2011
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 54,830,800	$ 53,343,900
Less: Accumulated depreciation and amortization	(31,628,800)	(30,438,200)
Property and equipment, net	23,202,000	22,905,700
Depreciation and amortization	4,926,400	4,747,600	4,337,700
Land [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	4,740,800	4,740,800
Building, Building Improvements and Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	21,147,600	19,342,700
Information Technology Equipment and Computer Software [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	21,226,200	21,288,700
Capitalized computer software	1,156,800	2,029,300
Amortization expense of capitalized computer software	1,322,400	1,667,800	1,460,300
Furniture, Telephone System, Equipment and Tooling [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 7,716,200	$ 7,971,700