Property, Plant and Equipment, Net (Details Narrative) - USD ($) |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Aug. 31, 2018 |
Aug. 31, 2017 |
Aug. 31, 2018 |
Aug. 31, 2017 |
|
| Property And Equipment Details Narrative Abstract | ||||
| Depreciation expense | $ 89,000 | $ 75,000 | $ 174,000 | $ 150,000 |