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Intangible Assets (Tables)
6 Months Ended
Sep. 30, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Intangible Assets

The components of intangible assets, all of which are finite-lived, were as follows:

 

    September 30, 2019     March 31, 2019  
Patents   $ 3,844,092     $ 3,820,374  
Trademarks     24,098       22,829  
Total, at cost     3,868,190       3,843,203  
Accumulated Amortization     (3,528,093 )     (3,253,386 )
Total, net   $ 340,097     $ 589,817