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3. Research and Development Expenses - 3. Research and Development Expenses (Details) - USD ($)
3 Months Ended 9 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2015
Dec. 31, 2014
Research and Development [Abstract]        
Research and development expense $ 147,803 $ 214,165 $ 576,191 $ 747,657