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Income Taxes - Schedule of Statutory US Federal Effective Tax Rate (Details)
12 Months Ended
Mar. 31, 2019
Income Taxes - Schedule Of Statutory Us Federal Effective Tax Rate  
Federal income tax at statutory rate (21.00%)
State income tax, net of federal benefit (6.62%)
Permanent items 0.00%
Change in valuation allowance 36.10%
Research and development tax credits (3.71%)
Other (4.77%)
Effective income tax expense rate 0.00%