Property, Plant and Equipment, Net (Details) - USD ($)
|
May 31, 2019 |
Feb. 28, 2019 |
| Property, plant and equipment, gross |
$ 7,197,218
|
$ 6,450,775
|
| Less: accumulated depreciation |
(1,191,883)
|
(1,079,512)
|
| Property, plant and equipment, net |
6,005,335
|
5,371,263
|
| Building [Member] |
|
|
| Property, plant and equipment, gross |
1,832,840
|
1,882,665
|
| Less: accumulated depreciation |
(82,178)
|
(68,596)
|
| Property, plant and equipment, net |
1,750,661
|
1,814,069
|
| Land [Member] |
|
|
| Property, plant and equipment, gross |
226,540
|
232,699
|
| Less: accumulated depreciation |
0
|
0
|
| Property, plant and equipment, net |
226,540
|
232,699
|
| Building Improvements [Member] |
|
|
| Property, plant and equipment, gross |
373,823
|
383,985
|
| Less: accumulated depreciation |
(122,274)
|
(119,889)
|
| Property, plant and equipment, net |
251,549
|
264,096
|
| Machinery and equipment [Member] |
|
|
| Property, plant and equipment, gross |
4,650,026
|
3,834,338
|
| Less: accumulated depreciation |
(935,568)
|
(841,236)
|
| Property, plant and equipment, net |
3,714,458
|
2,993,102
|
| Office equipment and furniture [Member] |
|
|
| Property, plant and equipment, gross |
113,989
|
117,088
|
| Less: accumulated depreciation |
(51,863)
|
(49,791)
|
| Property, plant and equipment, net |
$ 62,126
|
$ 67,297
|