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

7. Inventory

 

Inventories are stated at the lower of cost or net realizable value, using the first-in, first-out method, and are summarized below:

 

 

June 30,

2018

March 31,

2018

Raw materials $  47,620 $  44,102
Work in process 77,692 77,890
Finished goods

185,993

184,132

 

$311,305

$306,124