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Employee Benefit Plan - Additional Information (Detail) - USD ($)
 3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Employee Stock Ownership Plan (ESOP) [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Shares Issued Under Employee Benefit plan 79,800   79,800
The 401k Profit Sharing Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Plan Expense $ 165,730 $ 133,167  
Defined contribution Plan Eligibility Employees become eligible to participate in the discretionary contributions after one year of continuous service and the benefits vest over a five-year period.    
Maximum [Member] | The 401k Profit Sharing Plan [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Defined Benefit Employer Matching Contribution 5.00%