Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Summary of dilutive securities have been excluded from the calculation of diluted net loss per share due to their anti-dilutive effect (Detail)

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Summary of Significant Accounting Policies - Summary of dilutive securities have been excluded from the calculation of diluted net loss per share due to their anti-dilutive effect (Detail) - shares
3 Months Ended 9 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 11,769,573 118,843 11,769,573 118,843
Preferred stock as converted [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 10,000   10,000  
Restricted stock (unvested) (See Note 3) [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 1,800,000   1,800,000  
Options [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 4,209,573 118,843 4,209,573 118,843
Warrant [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount 5,750,000   5,750,000