Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - Operating Leases - Additional Information (Detail)

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Commitments and Contingencies - Operating Leases - Additional Information (Detail) - USD ($)
1 Months Ended
Oct. 31, 2021
Oct. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Jul. 15, 2019
Jul. 01, 2019
Jan. 01, 2019
Commitments And Contingencies [Line Items]              
Operating right-of-use lease assets     $ 618,985 $ 1,293,291      
Operating lease liabilities, current portion     628,307 825,431      
Operating lease right-of-use assets     618,985 1,293,291      
Operating lease liabilities     628,307 825,431      
Total operating lease payments     678,050        
Long-term portion of operating lease liabilities     $ 40,413 576,762      
ASU No. 2016-02 [Member]              
Commitments And Contingencies [Line Items]              
Operating right-of-use lease assets       618,985     $ 414,426
Operating lease liabilities, current portion       628,307     485,747
Operating lease right-of-use assets       618,985     414,426
Operating lease liabilities       628,307     $ 485,747
Total operating lease payments       678,050      
Long-term portion of operating lease liabilities       $ 40,413      
Weighted average remaining lease term       10 months 24 days      
San Jose, California [Member]              
Commitments And Contingencies [Line Items]              
Operating lease, renewal term           3 years  
Operating leases, rent expense   $ 52,970          
San Jose, California [Member] | Maximum [Member]              
Commitments And Contingencies [Line Items]              
Maximum monthly lease payment   64,941          
Costa Mesa, California [Member]              
Commitments And Contingencies [Line Items]              
Operating lease, renewal term         2 years    
Operating leases, rent expense $ 4,522 9,773          
Maximum monthly lease payment 4,369            
Operating right-of-use lease assets 104,563            
Operating lease liabilities, current portion 104,563            
Operating lease right-of-use assets 104,563            
Operating lease liabilities $ 104,563            
Costa Mesa, California [Member] | Maximum [Member]              
Commitments And Contingencies [Line Items]              
Maximum monthly lease payment   $ 10,200