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Interest and Other Finance Costs (Tables)
 9 Months Ended
Nov. 30, 2019
Interest And Other Finance Costs  
Interest and other finance costs
    Three Months Ended November 30     Nine Months Ended November 30  
    2019     2018     2019     2018  
  Interest on long-term debt   $ 14,778     $ 13,825     $ 41,840     $ 40,305  
  Interest on convertible notes     98,000       -       313,433       -  
  Accretion expense     549,090       -       1,584,977       -  
  Amortization of deferred finance costs     19,885       -       86,212       -  
  Revaluation of warrants     -       -       8,483       -  
  Loss on revaluation of foreign exchange contracts     10,881       -       10,881       -  
  Gain on conversion of November 2018 Notes     -       -       (232,565 )     -  
  Other     393       1,058       3,830       812  
    $ 693,027     $ 14,883     $ 1,817,091     $ 41,117