v3.26.1
CONDENSED STATEMENTS OF CASH FLOWS - USD ($)
 3 Months Ended
May 31, 2026
May 31, 2025
CASH FLOWS FROM OPERATING ACTIVITIES    
Net loss $ (1,395,600) $ (1,075,200)
Adjustments to reconcile net loss to net cash provided by operating activities:    
Depreciation and amortization 273,100 366,100
Deferred income taxes 0 (390,600)
Provision for credit losses 6,000 12,000
Provision for inventory valuation allowance 36,000 36,000
Net loss (gain) on sale of assets (800) 57,000
Impairment loss on assets 113,600 0
Changes in assets and liabilities:    
Accounts receivable 284,800 113,700
Inventories - net 1,418,800 2,611,900
Prepaid expenses and other assets (108,900) (47,800)
Accounts payable (68,200) (329,000)
Accrued salaries and commissions and other liabilities (97,800) (166,400)
Deferred revenues 96,500 (26,300)
Income taxes payable/receivable 6,800 235,100
Total adjustments 1,959,900 2,471,700
Net cash provided by operating activities 564,300 1,396,500
CASH FLOWS FROM INVESTING ACTIVITIES    
Purchases of property, plant and equipment (96,000) (207,400)
Proceeds from sale of assets 800 45,000
Net cash used in investing activities (95,200) (162,400)
CASH FLOWS FROM FINANCING ACTIVITIES    
Payments on term debt 0 (450,000)
Net cash used in financing activities 0 (450,000)
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH 469,100 784,100
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - BEGINNING OF PERIOD 1,340,400 976,500
CASH, CASH EQUIVALENTS AND RESTRICTED CASH - END OF PERIOD 1,809,500 1,760,600
SUPPLEMENTAL DISCLOSURE OF CASH FLOWS INFORMATION    
Cash paid for interest 600 468,300
Cash (received)/paid for income taxes - net of refunds 9,700 (218,600)
NONCASH TRANSACTIONS    
Leased assets obtained in exchange for operating lease liabilities $ 305,100 $ 26,200