Quarterly report pursuant to Section 13 or 15(d)

Commitments and Contingencies - MBO Bonus Plan - Additional Information (Detail)

v3.19.3
Commitments and Contingencies - MBO Bonus Plan - Additional Information (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
Executive Officers [Member]        
Commitments And Contingencies [Line Items]        
Accrued bonus expense $ 167,740 $ 445,883 $ 691,928 $ 1,205,997