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3a. Patents (Details Narrative) (USD $)
12 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Goodwill and Intangible Assets Disclosure [Abstract]    
Amortization of patents $ 9,000us-gaap_AmortizationOfIntangibleAssets $ 9,000us-gaap_AmortizationOfIntangibleAssets
Weighted average remaining life of patents 6 years 6 months