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Short-Term Investments (Details) - USD ($)
12 Months Ended
Mar. 31, 2018
Mar. 31, 2017
Schedule of Held-to-maturity Securities [Line Items]    
Investment Securities Held-to-Maturity, Amortized Cost $ 4,744,328
Investment Securities Held-to-Maturity, Unrealized Gains
Investment Securities Held-to-Maturity, Unrealized Losses
Estimated fair value 4,744,328
Corporate debt securities [Member]    
Schedule of Held-to-maturity Securities [Line Items]    
Investment Securities Held-to-Maturity, Amortized Cost 4,744,328
Investment Securities Held-to-Maturity, Unrealized Gains
Investment Securities Held-to-Maturity, Unrealized Losses
Estimated fair value $ 4,744,328