Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Sep. 27, 2015	Sep. 27, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,443,600	$ 7,185,000
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	2,338,500	2,352,900
Gain on sale of property and equipment		(3,000)
Non-cash stock-based compensation expense	399,700	677,600
Deferred income taxes and other	(287,500)	(216,300)
Change in trade accounts receivable	(6,592,600)	(13,169,800)
Change in product inventory	(2,736,100)	(19,882,700)
Change in prepaid expenses and other current assets	4,000,400	(1,141,700)
Change in trade accounts payable	4,644,800	22,769,900
Change in payroll, benefits and taxes	633,300	(2,341,900)
Change in income and sales tax liabilities	384,700	(235,300)
Change in accrued expenses and other current liabilities	(3,365,500)	347,800
Net cash provided by (used in) operating activities	3,863,300	(3,657,500)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(1,753,800)	(1,338,900)
Proceeds from sale of property and equipment		3,000
Net cash used in investing activities	(1,753,800)	(1,335,900)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on long-term debt	(125,400)	(125,100)
Proceeds from issuance of stock	81,200	109,200
Cash dividends paid	(3,306,100)	(3,332,200)
Purchases of treasury stock and repurchases of stock from employees and directors for minimum tax withholdings	(826,900)	(1,642,800)
Excess tax benefit from stock-based compensation	510,400	1,173,300
Net cash used in financing activities	(3,666,800)	(3,817,600)
Net decrease in cash and cash equivalents	(1,557,300)	(8,811,000)
CASH AND CASH EQUIVALENTS, beginning of period	7,524,000	11,467,900
CASH AND CASH EQUIVALENTS, end of period	$ 5,966,700	$ 2,656,900