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SIGNIFICANT ACCOUNTING POLICIES (Details Narrative) - USD ($)
3 Months Ended
May 31, 2022
May 31, 2021
Feb. 28, 2022
Marketable securities including mutual funds, certificates of deposit and US Treasury securities $ 3,398,931   $ 5,867,990
Accumulated amortization of patents 195,038   $ 192,490
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    
Impairment losses $ 0 $ 0  
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