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NOTE 2: SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
9 Months Ended
Nov. 30, 2021
Feb. 28, 2021
Marketable securities including mutual funds, certificates of deposit and US Treasury securities $ 3,349,962 $ 4,563,470
Accumulated amortization of patents 189,848 $ 181,922
Annual amortization expense this year 11,000  
Annual amortization expense year two 11,000  
Annual amortization expense year three 11,000  
Annual amortization expense year four 11,000  
Annual amortization expense year five $ 11,000  
Domestic Patents    
Useful life of intangible assets 17 years  
Foreign Patents    
Useful life of intangible assets 12 years  
Equipment and Furnishings    
Depreciation methods straight-line method  
Estimated useful lives three to five years