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Inventories
12 Months Ended
Mar. 31, 2019
Inventory Disclosure [Abstract]  
Inventories

NOTE 4 – INVENTORIES

 

At March 31, 2019, March 31, 2018, December 31, 2017, the inventory balances consisted of the following:

 

    March 31, 2019     March 31, 2018     December 31, 2017  
Finished product   $ 2,628,241     $ 809,680     $ 1,007,291  
Raw materials     1,635,130       1,471,666       764,810  
Work in process     509,226       123,661       20,213  
                         
    $ 4,772,597     $ 2,405,007     $ 1,792,314