Annual report pursuant to Section 13 and 15(d)

Accrued Expenses and Other Current Liabilities - Narrative (Details)

v3.20.4
Accrued Expenses and Other Current Liabilities - Narrative (Details) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Accrued Liabilities and Other Liabilities [Abstract]    
Accrued research and development expense $ 4,939,095 $ 920,901