Quarterly report pursuant to Section 13 or 15(d)

Prepaid Expenses and Other Current Assets (Details)

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Prepaid Expenses and Other Current Assets (Details) - USD ($)
Jun. 30, 2019
Mar. 31, 2019
Other Assets [Abstract]    
AV-101 materials and services $ 134,100 $ 5,900
Professional services 26,500 105,900
Insurance 292,700 96,300
Public offering filing fees and expenses 22,300 22,300
All other 7,000 20,500
Total $ 482,600 $ 250,900