Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Apr. 01, 2018	Mar. 26, 2017	Mar. 27, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 5,195,400	$ 1,445,100	$ 5,340,500
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	3,992,600	4,238,900	4,730,000
Loss (gain) on sale of property and equipment		114,500
Non-cash stock-based compensation expense	1,002,100	434,400	729,000
Deferred income taxes and other	(2,866,100)	(788,600)	(47,700)
Change in trade accounts receivable	(23,158,400)	(6,388,200)	1,256,400
Change in product inventory	(8,338,700)	(10,080,400)	18,459,700
Change in prepaid expenses and other current assets	(625,000)	2,053,000	4,951,800
Change in trade accounts payable	13,459,700	11,595,400	(9,818,200)
Change in payroll, benefits and taxes	1,519,000	1,844,200	(604,000)
Change in income and sales tax liabilities	974,500	(107,700)	(375,600)
Change in accrued expenses and other current liabilities	(402,200)	(1,309,300)	(4,480,800)
Net cash (used in) provided by operating activities	(9,247,100)	3,051,300	20,141,100
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of property and equipment	(1,646,600)	(730,200)	(547,500)
Purchases of internal use software licenses eligible for capitalization	(1,892,800)	(1,832,800)	(2,966,300)
Net cash used in investing activities	(3,539,400)	(2,563,000)	(3,513,800)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings from revolving line of credit	10,835,400
Proceeds from note receivable	75,000
Payments of debt issuance costs		(218,200)
Payments on long-term debt	(26,700)	(1,901,300)	(250,600)
Proceeds from issuance of common stock	148,700	137,600	153,700
Cash dividends paid	(6,701,200)	(6,656,700)	(6,615,700)
Excess tax benefit from stock-based compensation			381,400
Purchases of treasury stock and repurchases of stock from employees	(65,400)	(192,400)	(937,300)
Net cash provided by (used in) financing activities	4,265,800	(8,831,000)	(7,268,500)
Net (decrease) increase in cash and cash equivalents	(8,520,700)	(8,342,700)	9,358,800
CASH AND CASH EQUIVALENTS, beginning of period	8,540,100	16,882,800	7,524,000
CASH AND CASH EQUIVALENTS, end of period	$ 19,400	$ 8,540,100	$ 16,882,800