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Property, Plant and Equipment, Net (Tables)
 9 Months Ended
Nov. 30, 2019
Property, Plant and Equipment [Abstract]  
Property, plant and equipment
    As at November 30, 2019  
    Cost     Accumulated depreciation     Net book value  
Land   $ 267,658     $ -     $ 267,658  
Building     1,865,518       (114,729 )     1,750,789  
Building Improvements     695,590       (189,644 )     505,946  
Machinery and equipment     5,143,880       (1,251,135 )     3,892,745  
Office equipment and furniture     137,194       (58,943 )     78,251  
    $ 8,109,840     $ (1,614,451 )   $ 6,495,389  

 

    As at February 28, 2019  
    Cost     Accumulated depreciation     Net book value  
Land   $ 232,699     $ -     $ 232,699  
Building     1,882,665       (68,596 )     1,814,069  
Building Improvements     383,985       (119,889 )     264,096  
Machinery and equipment     3,834,338       (841,236 )     2,993,102  
Office equipment and furniture     117,088       (49,791 )     67,297  
    $ 6,450,775     $ (1,079,512 )   $ 5,371,263