Quarterly report pursuant to Section 13 or 15(d)

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

v3.21.2
Debt and Other Financing Arrangements - Schedule of Debt (Detail) - USD ($)
Sep. 30, 2021
Dec. 31, 2020
Debt Instrument [Line Items]    
Notes payable $ 172,032 $ 282,042
Note payable matured on May 1, 2021 [Member]    
Debt Instrument [Line Items]    
Notes payable   96,257
Unsecured financing agreement with commercial premium financing company maturing in June 1, 2022 [Member]    
Debt Instrument [Line Items]    
Notes payable $ 172,032  
Promissory note issued by a financial institution maturing in April 30, 2022 [Member]    
Debt Instrument [Line Items]    
Notes payable   $ 185,785