Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Jun. 28, 2015	Jun. 29, 2014
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,695,300	$ 3,671,400
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,131,300	1,167,800
Non-cash stock-based compensation expense	131,700	449,600
Deferred income taxes and other	(136,400)	(102,900)
Change in trade accounts receivable	(3,904,100)	(13,182,800)
Change in product inventory	(5,656,000)	(11,060,100)
Change in prepaid expenses and other current assets	2,490,000	(2,399,500)
Change in trade accounts payable	8,247,000	21,098,500
Change in payroll, benefits and taxes	(196,700)	(2,491,800)
Change in income and sales tax liabilities	(221,300)	(217,000)
Change in accrued expenses and other current liabilities	(1,788,500)	285,900
Net cash provided by (used in) operating activities	1,792,300	(2,780,900)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property and equipment	(906,400)	(490,900)
Net cash used in investing activities	(906,400)	(490,900)
CASH FLOWS FROM FINANCING ACTIVITIES:
Payments on long-term debt	(62,700)	(62,500)
Cash dividends paid	(1,653,400)	(1,666,100)
Purchases of treasury stock and repurchases of stock from employees and directors for minimum tax withholdings	(826,900)	(1,404,200)
Excess tax benefit from stock-based compensation	510,400	1,172,900
Net cash used in financing activities	(2,032,600)	(1,959,900)
Net decrease in cash and cash equivalents	(1,146,700)	(5,231,700)
CASH AND CASH EQUIVALENTS, beginning of period	7,524,000	11,467,900
CASH AND CASH EQUIVALENTS, end of period	$ 6,377,300	$ 6,236,200