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3. PATENTS (Tables)
12 Months Ended
Mar. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of patents
   March 31, 2016   March 31, 2015 
Patents  $211,645   $211,645 
Accumulated amortization   (117,484)   (108,320)
   $94,161   $103,325