Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Schedule of Property and Equipment (Parenthetical) (Details)

v3.20.4
Property and Equipment - Schedule of Property and Equipment (Parenthetical) (Details)
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Leasehold improvements    
Property, Equipment and Impairment of Long-Lived Assets    
Estimated useful life 9 years 3 months 18 days 10 years 3 months 18 days