Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)	Sep. 30, 2020	Dec. 31, 2019
Payables And Accruals [Abstract]
Accrued employee bonuses	$ 331,642	$ 900,740
Payroll and employee benefit accruals	643,730	469,530
Accrued professional fees	102,551	43,850
Accrued interest	55,691	245,350
Accrued rebate	60,694
Other accrued liabilities	192,517	210,826
Total accrued liabilities	$ 1,386,825	$ 1,870,296