Sales Tax, Tax Credits and Other Receivables (Tables)
3 Months Ended
May 31, 2019
Sales Tax Tax Credits And Other Receivables Tables Abstract  
Sales Tax, Tax Credits and Other Receivables
   

May 31,

2019

   

February 28,

2019

 
Sales tax   $ 222,215     $ 82,992  
Research and development tax credits     455,564       410,997  
Other receivables     64,214       105,011  
    $ 741,993     $ 599,000