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CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)
 12 Months Ended
Feb. 28, 2023
Feb. 28, 2022
CASH FLOWS FROM OPERATING ACTIVITIES:    
Net Income $ 635,905 $ 2,542,573
Adjustments to reconcile net income to net cash provided by operating activities:    
Depreciation and amortization 510,868 435,525
Stock based compensation expense 256,740 179,283
Accounts receivable reserve (43,898)
Inventory reserve 4,864 43,381
Paycheck Protection Program Loan Forgiveness (1,005,372)
Unrealized loss on marketable securities 33,119
Deferred tax asset, net (512,337) (17,620)
(Increase) Decrease in:    
Accounts receivable (497,463) 665,297
Inventories (874,531) 194,483
Prepaid expenses and other assets 69,258 (171,988)
(Decrease) Increase in:    
Accounts payable 126,352 (606,241)
Accrued expenses (376,582) 53,112
Customer deposits 1,670,197 1,427
Income taxes payable 322,547 5,307
Net Cash Provided by Operating Activities 1,325,039 2,319,167
CASH FLOWS FROM INVESTING ACTIVITIES:    
Purchase of equipment, furnishings and leasehold improvements (555,867) (326,942)
Purchase of marketable securities, net (2,255,129) (1,304,520)
Net Cash Used In Investing Activities (2,810,996) (1,631,462)
CASH FLOWS FROM FINANCING ACTIVITIES:    
Proceeds from exercise of stock options 68,775
Net Cash Provided By Financing Activities 68,775
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS (1,485,957) 756,480
CASH AND CASH EQUIVALENTS:    
Beginning of year 4,840,558 4,084,078
End of year 3,354,601 4,840,558
Supplemental Cash Flow Disclosure:    
Interest Paid
Income Taxes Paid $ 363,590 $ 373,928