CONDENSED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Aug. 31, 2023	Aug. 31, 2022
CASH FLOWS FROM OPERATING ACTIVITIES
Net earnings (loss)	$ 188,900	$ (586,100)
Adjustments to reconcile net earnings (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,366,000	1,207,500
Deferred income taxes	(1,002,500)	(239,000)
Provision for inventory valuation allowance	105,400	0
Share-based compensation expense - net	175,800	381,300
Net gain on sale of assets	(46,500)	0
Changes in assets and liabilities:
Accounts receivable	916,100	(263,800)
Inventories - net	1,829,300	6,028,500
Prepaid expenses and other assets	221,600	214,200
Accounts payable	1,113,200	(7,970,300)
Accrued salaries and commissions and other liabilities	(1,280,400)	(2,263,200)
Deferred revenues	86,900	103,900
Income taxes payable/receivable	1,041,600	(241,900)
Total adjustments	4,526,500	(3,042,800)
Net cash provided by (used in) operating activities	4,715,400	(3,628,900)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property, plant and equipment	(546,200)	(221,000)
Proceeds from sale of assets	75,700	0
Purchases of other assets	0	(33,000)
Net cash used in investing activities	(470,500)	(254,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments on term debt	(900,000)	(25,175,900)
Cash paid to acquire treasury stock	(563,900)	0
Proceeds from term debt	0	36,000,000
Sales of treasury stock	0	63,400
Net payments under line of credit	(911,400)	(5,662,600)
Dividends paid	0	(870,700)
Net cash provided by (used in) financing activities	(2,375,300)	4,354,200
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	1,869,600	471,300
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - BEGINNING OF PERIOD	689,100	361,200
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - END OF PERIOD	2,558,700	832,500
SUPPLEMENTAL DISCLOSURE OF CASH FLOWS INFORMATION
Cash paid for interest - net	1,513,600	838,600
Cash paid for income taxes -net of refunds	$ 24,200	$ 95,800