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Significant Accounting Policies (Details Narrative) - USD ($)
12 Months Ended
Feb. 29, 2020
Feb. 28, 2019
Advertising expense $ 297,297 $ 246,681
Bad debt expense $ 25,000 $ 0
Concentration of Credit Risk The Company does not believe that it is subject to any unusual or significant risks, in the normal course of business. The Company had three customers, which accounted for 30% of sales during fiscal 2020. Three customers accounted for 67% of the outstanding accounts receivables at February 29, 2020. The Company had one customer, which accounted for 14% of sales during fiscal 2019. Two customers accounted for 41% of the outstanding accounts receivables at February 28, 2019.
Marketable securities including mutual funds $ 4,219,240 $ 2,365,706
Accumulated amortization of patents $ 171,210 160,433
Annual Amortization Expense of Intangible Assets For the Next Five Years    
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
Buildings    
Annual Amortization Expense of Intangible Assets For the Next Five Years    
Property, plant and equipment, estimated useful lives 40 Years  
Domestic Patents    
Useful life of intangible assets 17 years  
Foreign Patents    
Useful life of intangible assets 12 years