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CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
 6 Months Ended
Aug. 31, 2022
Aug. 31, 2021
CASH FLOWS FROM OPERATING ACTIVITIES    
Net earnings (loss) $ (586,100) $ 5,336,300
Adjustments to reconcile net earnings (loss) to net cash used in operating activities:    
Depreciation 1,207,500 924,200
Deferred income taxes (239,000) (48,500)
Provision for doubtful accounts (51,600) 61,600
Provision for inventory valuation allowance 0 120,000
Share-based compensation expense - net 381,300 523,300
Changes in assets and liabilities:    
Accounts receivable (212,200) (609,300)
Inventories - net 6,028,500 (13,223,100)
Prepaid expenses and other assets 214,200 (158,200)
Accounts payable (7,970,300) (104,700)
Accrued salaries and commissions and other liabilities (2,263,200) (4,073,000)
Deferred revenues 103,900 (1,166,600)
Income taxes payable (241,900) (4,100)
Total adjustments (3,042,800) (17,758,400)
Net cash used in operating activities (3,628,900) (12,422,100)
CASH FLOWS FROM INVESTING ACTIVITIES    
Purchases of property, plant and equipment (221,000) (3,210,200)
Purchases of other assets (33,000) 0
Net cash used in investing activities (254,000) (3,210,200)
CASH FLOWS FROM FINANCING ACTIVITIES    
Payments on term debt (25,175,900) (305,800)
Proceeds from term debt 36,000,000 5,244,700
Sales of treasury stock 63,400 92,400
Net borrowings (payments) on line of credit (5,662,600) 11,408,500
Dividends paid (870,700) (1,698,500)
Net cash provided by financing activities 4,354,200 14,741,300
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS 471,300 (891,000)
CASH AND CASH EQUIVALENTS - BEGINNING OF PERIOD 361,200 1,812,200
CASH AND CASH EQUIVALENTS - END OF PERIOD 832,500 921,200
SUPPLEMENTAL DISCLOSURE OF CASH FLOWS INFORMATION    
Cash paid for interest 838,600 378,000
Cash paid for income taxes (net of refunds) 95,800 2,035,000
NON-CASH TRANSACTIONS    
Accrued capital expenditures $ 0 $ 10,600