Annual report pursuant to Section 13 and 15(d)

6. Inventories (Details)

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6. Inventories (Details) - USD ($)
Mar. 31, 2018
Mar. 31, 2017
Inventory Disclosure [Abstract]    
Raw Materials $ 1,619,000 $ 1,480,000
Finished goods 1,246,000 741,000
Inventories, net $ 2,865,000 $ 2,221,000