v3.20.2
Notes Payable - Schedule of Notes Payable (Parenthetical) (Detail) - Notes Payable [Member]
1 Months Ended 6 Months Ended 12 Months Ended
Feb. 01, 2020
Aug. 01, 2020
Dec. 31, 2019
0% Convertible Note Due January 2021 [Member]      
Debt Instrument [Line Items]      
Notes payable, interest rate 0.00% 0.00% 0.00%
Notes payable, maturity date Jan. 31, 2021 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% 6.00%
Notes payable, maturity date Dec. 31, 2020 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% 12.00%
Notes payable, maturity date Oct. 31, 2019 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% 12.00%
Notes payable, maturity date Nov. 30, 2019 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% 12.00%
Notes payable, maturity date May 31, 2020 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% 12.00%
Notes payable, maturity date Jul. 31, 2020 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% 12.00%
Notes payable, maturity date Aug. 31, 2020 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% 12.00%
Notes payable, maturity date Sep. 30, 2020 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% 12.00%
Notes payable, maturity date Sep. 30, 2020 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% 6.00%
Notes payable, maturity date Feb. 29, 2024 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% 1.00%
Notes payable, maturity date Apr. 30, 2022 Apr. 30, 2022 Apr. 30, 2022