Quarterly report pursuant to Section 13 or 15(d)

Debt and Other Financing Arrangements - Schedule of Debt (Parenthetical) (Detail)

v3.20.2
Debt and Other Financing Arrangements - Schedule of Debt (Parenthetical) (Detail)
9 Months Ended
Sep. 30, 2020
USD ($)
shares
Dec. 31, 2019
USD ($)
Debt Instrument [Line Items]    
Principal amount   $ 339,797
Financing agreement with FlatIron capital maturing in June 1, 2021 [Member]    
Debt Instrument [Line Items]    
Down payment for note payable $ 20,746  
Debt instrument, periodic payment $ 19,251  
Debt instrument, maturity date May 01, 2021  
Debt instrument, interest rate percentage 5.95%  
Financing agreement with FlatIron capital maturing in June 1, 2020 [Member]    
Debt Instrument [Line Items]    
Down payment for note payable $ 19,170  
Debt instrument, periodic payment $ 11,590  
Debt instrument, maturity date Jun. 01, 2020  
Debt instrument, interest rate percentage 6.80%  
Convertible Senior Note [Member]    
Debt Instrument [Line Items]    
Debt instrument, maturity date Jan. 14, 2020  
Debt instrument, interest rate percentage 3.00%  
Debt instrument, issuance date Jan. 16, 2019  
Debt instrument, to be converted shares | shares 1,436,424  
Debt instrument, convertible, beneficial conversion feature $ 0  
Promissory note issued by a financial institution maturing in August 26, 2023 [Member]    
Debt Instrument [Line Items]    
Debt instrument, periodic payment $ 323  
Debt instrument, maturity date Aug. 26, 2023  
Debt instrument, interest rate percentage 9.09%  
Debt instrument, issuance date Jul. 26, 2019  
Principal amount $ 12,892  
Promissory note issued by a financial institution maturing in May 30, 2025 [Member]    
Debt Instrument [Line Items]    
Debt instrument, periodic payment $ 10,932  
Debt instrument, maturity date May 30, 2025  
Debt instrument, interest rate percentage 5.85%  
Debt instrument, issuance date May 31, 2018  
Principal amount $ 608,000  
Subsequent borrowings 141,000  
Repayments $ 51,000  
Promissory note issued by a financial institution maturing in April 30, 2022 [Member]    
Debt Instrument [Line Items]    
Debt instrument, maturity date Apr. 30, 2022  
Debt instrument, interest rate percentage 1.00%