v3.21.1

Notes Payable - Schedule of Notes Payable (Parenthetical) (Detail) - Notes Payable [Member] | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 01, 2020 | Jan. 31, 2021
0% Convertible Note Due January 2021 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 0.00% | 0.00%
Notes payable, maturity date | Jan. 31, 2021 | Jan. 31, 2021
6% Promissory Note Due December 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 6.00% | 6.00%
Notes payable, maturity date | Dec. 31, 2020 | Dec. 31, 2020
12% Convertible Notes Due October 2019 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 12.00% | 12.00%
Notes payable, maturity date | Oct. 31, 2019 | Oct. 31, 2019
12% Convertible Notes Due November 2019 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 12.00% | 12.00%
Notes payable, maturity date | Nov. 30, 2019 | Nov. 30, 2019
12% Convertible Notes Due May 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 12.00% | 12.00%
Notes payable, maturity date | May 31, 2020 | May 31, 2020
12% Convertible Notes Due July 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 12.00% | 12.00%
Notes payable, maturity date | Jul. 31, 2020 | Jul. 31, 2020
12% Convertible Notes Due August 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 12.00% | 12.00%
Notes payable, maturity date | Aug. 31, 2020 | Aug. 31, 2020
12% Convertible Notes Due September 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 12.00% | 12.00%
Notes payable, maturity date | Sep. 30, 2020 | Sep. 30, 2020
12% Secured Promissory Note Due September 2020 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 12.00% | 12.00%
Notes payable, maturity date | Sep. 30, 2020 | Sep. 30, 2020
6% Promissory Note Due February 2024 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 6.00% | 6.00%
Notes payable, maturity date | Feb. 29, 2024 | Feb. 29, 2024
1% Promissory Note Due April 2022 [Member] |  |
Debt Instrument [Line Items] |  |
Notes payable, interest rate | 1.00% | 1.00%
Notes payable, maturity date | Apr. 30, 2022 | Apr. 30, 2022

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