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Summary of Significant Accounting Policies - Reconciliation of the Beginning and Ending Balances for the Liability Measured at Fair Value on a Recurring Basis (Detail) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2020
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) [Abstract]    
Beginning Balance   $ 861,485
Additional debt issuances   490,000
Change in derivatives liability fair value $ 222,100 425,215
Ending Balance $ 1,776,700 $ 1,776,700