Accrued Liabilities - Summary of Accrued Liabilities (Details) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
Payables And Accruals [Abstract]
Accrued employee bonuses	$ 263,114	$ 900,740
Payroll and employee benefit accruals	305,825	469,530
Accrued professional fees	158,352	43,850
Accrued interest	14,519	245,350
Accrued rebate	96,357
Other accrued liabilities	109,215	210,826
Total accrued liabilities	$ 947,382	$ 1,870,296