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Significant Accounting Policies - Intangible Assets (Details Narrative) - USD ($)
9 Months Ended
Nov. 30, 2018
Feb. 28, 2018
Accumulated amortization of intangible assets $ 157,678 $ 149,654
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  
Domestic Patents    
Useful life of intangible assets 17 years  
Foreign Patents    
Useful life of intangible assets 12 years