Property, Plant and Equipment, Net (Details) - USD ($)
|
9 Months Ended |
|
Nov. 30, 2018 |
Feb. 28, 2018 |
| Property, plant and equipment, gross |
$ 5,970,788
|
$ 4,842,866
|
| Less: accumulated depreciation |
(937,014)
|
(805,963)
|
| Property, plant and equipment, net |
$ 5,033,774
|
4,036,903
|
| Building [Member] |
|
|
| Estimated Useful Life (Years) |
30 Years
|
|
| Property, plant and equipment, gross |
$ 1,863,982
|
1,935,423
|
| Land [Member] |
|
|
| Estimated Useful Life (Years) |
Indefinite
|
|
| Property, plant and equipment, gross |
$ 230,390
|
239,239
|
| Building Improvements [Member] |
|
|
| Estimated Useful Life (Years) |
5 Years
|
|
| Property, plant and equipment, gross |
$ 380,174
|
377,253
|
| Machinery and equipment [Member] |
|
|
| Property, plant and equipment, gross |
$ 3,380,317
|
2,189,195
|
| Machinery and equipment [Member] | Minimum [Member] |
|
|
| Estimated Useful Life (Years) |
3 Years
|
|
| Machinery and equipment [Member] | Maximum [Member] |
|
|
| Estimated Useful Life (Years) |
8 Years
|
|
| Office equipment and furniture [Member] |
|
|
| Estimated Useful Life (Years) |
8 Years
|
|
| Property, plant and equipment, gross |
$ 115,925
|
$ 101,756
|