Income Taxes (Schedule of Tax Effects of Temporary Differences that Result in Deferred Tax Assets and Liabilities) (Detail) - USD ($)	May. 29, 2015	May. 30, 2014
Deferred tax assets
Salary continuation plan	$ 390,651	$ 430,599
Accrued vacation	476,504	557,032
Inventory capitalization	80,430	96,923
Allowance for doubtful accounts	26,600	26,600
Other accrued expenses	165,248	284,350
Gross deferred tax assets before valuation allowance	1,139,433	1,395,504
Less valuation allowance	0	0
Total deferred tax assets	1,139,433	1,395,504
Deferred tax liabilities
Property and equipment	3,780,271	3,700,884
Prepaid expenses	76,522	104,337
Total deferred tax liabilities	3,856,793	3,805,221
Net deferred tax liability	$ 2,717,360	$ 2,409,717