Quarterly report pursuant to Section 13 or 15(d)

Commitments - Lease Cost (Detail)

v3.20.2
Commitments - Lease Cost (Detail) - USD ($)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Disclosure of Lease of Cost [Abstract]        
Operating lease cost $ 153,734 $ 153,809 $ 460,756 $ 460,990
Variable lease costs 43,139 30,034 88,752 81,151
Total lease cost $ 196,873 $ 183,843 $ 549,508 $ 542,141