Property, Plant and Equipment, Net (Details) - USD ($)
Aug. 31, 2019
Feb. 28, 2019
Property, plant and equipment, gross $ 7,830,086 $ 6,450,775
Less: accumulated depreciation (1,402,082) (1,079,512)
Property, plant and equipment, net 6,428,004 5,371,263
Land    
Property, plant and equipment, gross 230,494 232,699
Less: accumulated depreciation 0 0
Property, plant and equipment, net 230,494 232,699
Building    
Property, plant and equipment, gross 1,864,676 1,882,665
Less: accumulated depreciation (99,145) (68,596)
Property, plant and equipment, net 1,765,531 1,814,069
Building Improvements    
Property, plant and equipment, gross 690,426 383,985
Less: accumulated depreciation (160,918) (119,889)
Property, plant and equipment, net 529,508 264,096
Machinery and Equipment    
Property, plant and equipment, gross 4,907,358 3,834,338
Less: accumulated depreciation (1,086,574) (841,236)
Property, plant and equipment, net 3,820,784 2,993,102
Office Equipment and Furniture    
Property, plant and equipment, gross 137,132 117,088
Less: accumulated depreciation (55,445) (49,791)
Property, plant and equipment, net $ 81,687 $ 67,297