Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Additional Information (Details)

v3.19.3.a.u2
Intangible Assets - Additional Information (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Intangible Assets Net Excluding Goodwill [Abstract]    
Amortization expense $ 0 $ 0