Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Sep. 30, 2018	Sep. 24, 2017
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,349,200	$ 2,456,800
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	1,838,000	2,031,000
Non-cash stock-based compensation expense	705,300	501,900
Deferred income taxes and other	666,400	218,800
Change in trade accounts receivable	(10,033,000)	(28,205,300)
Change in product inventory	(17,346,300)	(9,244,700)
Change in prepaid expenses and other current assets	(428,900)	(565,100)
Change in trade accounts payable	20,621,300	15,589,200
Change in payroll, benefits and taxes	(2,263,400)	63,900
Change in income and sales tax liabilities	(1,199,800)	391,400
Change in accrued expenses and other current liabilities	1,840,300	(37,800)
Net cash used in operating activities	(3,250,900)	(16,799,900)
CASH FLOWS FROM INVESTING ACTIVITIES
Acquisition of property and equipment	(887,300)	(284,100)
Purchases of internal use software licenses	(1,428,500)	(1,179,000)
Net cash used in investing activities	(2,315,800)	(1,463,100)
CASH FLOWS FROM FINANCING ACTIVITIES
Net borrowings from revolving line of credit	8,906,000	13,278,600
Proceeds from note receivable		38,300
Payments on long-term debt	(13,600)	(13,300)
Proceeds from issuance of common stock	137,200	76,400
Cash dividends paid	(3,371,200)	(3,346,600)
Purchases of treasury stock and repurchases of stock from employees	(111,100)	(64,800)
Net cash provided by financing activities	5,547,300	9,968,600
Net decrease in cash and cash equivalents	(19,400)	(8,294,400)
CASH AND CASH EQUIVALENTS, beginning of period	$ 19,400	8,540,100
CASH AND CASH EQUIVALENTS, end of period		$ 245,700