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INVENTORIES
3 Months Ended
Jun. 30, 2018
Inventory Disclosure [Abstract]  
INVENTORIES

NOTE 3 – INVENTORIES

At June 30, 2018 and March 31, 2018, the inventory balances are composed of:

    June 30, 2018     March 31, 2018  
Finished product   $ 1,125,960     $ 809,680  
Raw materials     1,761,587       1,471,666  
Work in process     235,692       123,661  
                 
    $ 3,123,239     $ 2,405,007