Prepaid Expenses (Tables)
3 Months Ended
May 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Prepaid expenses
   

May 31,

2020

   

February 29,

2020

 
Insurance   $ 1,144,500     $ 61,891  
Machinery and equipment     644,000       -  
Other prepaid expenses     148,539       79,335  
    $ 1,937,039     $ 141,226