Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details 4)

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Summary of Significant Accounting Policies (Details 4) - shares
3 Months Ended 12 Months Ended
Jun. 30, 2021
Mar. 31, 2020
Antidilutive securities 34,411,201 47,449,728
2016 Equity Incentive Plan and 2019 Plan [Member]    
Antidilutive securities 15,071,639 14,638,088
Warrant    
Antidilutive securities 15,139,881 19,362,532
Series A Preferred Stock [Member]    
Antidilutive securities 750,000 750,000
Series B Preferred Stock [Member]    
Antidilutive securities 1,131,669 1,131,669
Series C Preferred Stock [Member]    
Antidilutive securities 2,318,012 2,318,012
Series D Preferred Stock [Member]    
Antidilutive securities   9,249,427