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Stock-Based Compensation (Details 1)
12 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Option grants to employees [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Dividend yield 0.00% 0.00%
Option grants to employees [Member] | Minimum [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Expected volatility 47.43% 47.80%
Risk-free rate 2.52% 1.63%
Expected term (in years) 5 years 1 month 6 days 5 years 1 month 13 days
Option grants to employees [Member] | Maximum [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Expected volatility 52.30% 205.93%
Risk-free rate 2.96% 2.69%
Expected term (in years) 7 years 10 years
Options to non-employees [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Expected volatility 0.00%  
Dividend yield 0.00% 0.00%
Risk-free rate 0.00% 2.65%
Expected term (in years)  
Options to non-employees [Member] | Minimum [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Expected volatility   47.80%
Expected term (in years)   5 years 6 months
Options to non-employees [Member] | Maximum [Member]    
Option Indexed to Issuer's Equity [Line Items]    
Expected volatility   48.69%
Expected term (in years)   6 years