Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Mar. 26, 2017	Mar. 27, 2016	Mar. 29, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,445,100	$ 5,340,500	$ 8,634,300
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,238,900	4,730,000	4,583,600
Loss (Gain) on sale of property and equipment	114,500		(3,000)
Non-cash stock-based compensation expense	434,400	729,000	1,161,300
Deferred income taxes and other	(788,600)	(47,700)	1,347,200
Change in trade accounts receivable	(6,388,200)	1,256,400	7,923,600
Change in product inventory	(10,080,400)	18,459,700	(10,407,900)
Change in prepaid expenses and other current assets	2,053,000	4,951,800	(8,532,300)
Change in trade accounts payable	11,595,400	(9,818,200)	1,047,300
Change in payroll, benefits and taxes	1,844,200	(604,000)	(2,138,200)
Change in income and sales tax liabilities	(107,730)	(375,600)	(645,300)
Change in accrued expenses and other current liabilities	(1,309,300)	(4,480,800)	8,109,200
Net cash provided by operating activities	3,051,270	20,141,100	11,079,800
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(2,563,000)	(3,513,800)	(2,950,600)
Proceeds from sale of property and equipment			3,000
Net cash used in investing activities	(2,563,000)	(3,513,800)	(2,947,600)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments of debt issuance costs	(218,200)
Payments on long-term debt	(1,901,300)	(250,600)	(250,200)
Proceeds from issuance of stock	137,630	153,700	195,900
Cash dividends paid	(6,656,700)	(6,615,700)	(6,628,800)
Purchases of treasury stock and repurchases of common stock from employees and directors for minimum tax withholdings	(192,400)	(937,300)	(6,223,300)
Excess tax benefit from stock-based compensation		381,400	830,300
Net cash used in financing activities	(8,830,970)	(7,268,500)	(12,076,100)
Net (decrease) increase in cash and cash equivalents	(8,342,700)	9,358,800	(3,943,900)
CASH AND CASH EQUIVALENTS, beginning of period	16,882,800	7,524,000	11,467,900
CASH AND CASH EQUIVALENTS, end of period	$ 8,540,100	$ 16,882,800	$ 7,524,000