INVENTORIES - Additional Information (Details) - USD ($)
|12 Months Ended|
Mar. 31, 2020
Mar. 31, 2019
|Research and Development|
|Inventory Write-off||$ 138,305||$ 62,589|
Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.
Reference 1: http://www.xbrl.org/2003/role/disclosureRef