Consolidated Statements of Cash Flows - USD ($)	3 Months Ended
	Jun. 30, 2019	Jul. 01, 2018
CASH FLOWS FROM OPERATING ACTIVITIES:
Net (loss) income	$ (2,492,800)	$ 1,158,400
Adjustments to reconcile net (loss) income to net cash used in operating activities:
Depreciation and amortization	960,800	937,100
Non-cash stock-based compensation expense	338,900	320,500
Deferred income taxes and other	1,087,100	249,500
Change in trade accounts receivable	12,711,800	(4,953,500)
Change in product inventory	(29,562,300)	(14,044,200)
Change in prepaid expenses and other current assets	(1,992,800)	(1,096,300)
Change in trade accounts payable	17,709,600	15,442,800
Change in payroll, benefits and taxes	(543,200)	(1,645,900)
Change in income and sales tax liabilities	(497,400)	370,600
Change in accrued expenses and other current liabilities	294,400	1,554,800
Net cash used in operating activities	(1,985,900)	(1,706,200)
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of property and equipment	(449,300)	(413,000)
Purchases of internal use software licenses	(1,421,000)	(1,024,300)
Net cash used in investing activities	(1,870,300)	(1,437,300)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings from revolving line of credit	5,737,100	4,935,200
Payments on debt	(2,300)	(6,800)
Cash dividends paid	(1,702,600)	(1,684,200)
Purchases of treasury stock and repurchases of stock from employees	(189,100)	(111,100)
Net cash provided by financing activities	3,843,100	3,133,100
Net decrease in cash and cash equivalents	(13,100)	(10,400)
CASH AND CASH EQUIVALENTS, beginning of period	30,300	19,400
CASH AND CASH EQUIVALENTS, end of period	$ 17,200	$ 9,000