Quarterly report pursuant to Section 13 or 15(d)

Kingsbrook Convertible Promissory Notes (As Restated) (Details)

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Kingsbrook Convertible Promissory Notes (As Restated) (Details) - Kingsbrook Convertible Promissory Note [Member]
 9 Months Ended
Sep. 30, 2020
$ / shares
Fair market value of stock $ 8.37
Exercise price $ 5.28
Volatility 94.50%
Risk-free interest rate 0.10%
Derivative life (years) 4 months 9 days