Quarterly report pursuant to Section 13 or 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. 01, 2021
Oct. 31, 2019
Sep. 30, 2021
Sep. 22, 2021
Dec. 31, 2020
Jul. 15, 2019
Jul. 01, 2019
Jan. 01, 2019
Commitments And Contingencies [Line Items]                
Operating Lease, Right-of-Use Asset     $ 699,202   $ 1,293,291      
Operating lease liability     765,209   825,431      
Total operating lease payments     779,292          
Operating lease right-of-use assets     699,202   1,293,291      
Long-term portion of operating lease liabilities         $ 576,762      
ASU No. 2016-02 [Member]                
Commitments And Contingencies [Line Items]                
Operating Lease, Right-of-Use Asset     699,202         $ 414,426
Operating lease liability     765,209         485,747
Total operating lease payments     779,292          
Operating lease right-of-use assets     699,202         $ 414,426
Long-term portion of operating lease liabilities     $ 0          
Weighted average remaining lease term     1 year          
San Jose, California [Member]                
Commitments And Contingencies [Line Items]                
Operating lease, renewal term             3 years  
Operating lease payment   $ 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 lease payment $ 4,369 9,773            
Operating Lease, Right-of-Use Asset       $ 104,563        
Operating lease liability       104,563        
Total operating lease payments       106,688        
Operating lease right-of-use assets       $ 104,563        
Costa Mesa, California [Member] | Maximum [Member]                
Commitments And Contingencies [Line Items]                
Maximum monthly lease payment $ 4,522 $ 10,200