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Organization and Summary of Significant Accounting Policies - Reconciliation of the Beginning and Ending Balances for the Liability Measured at Fair Value on a Recurring Basis (Detail)
12 Months Ended
Dec. 31, 2020
USD ($)
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases, (Sales), Issuances, (Settlements) [Abstract]  
Beginning Balance $ 861,484
Additional debt issuances 490,000
Conversion to equity (2,084,442)
Loss on change in derivative liability 732,958
Ending Balance $ 0