Annual report pursuant to Section 13 and 15(d)

Property, Plant and Equipment - Additional Information (Details)

v3.20.1
Property, Plant and Equipment - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Property Plant And Equipment [Abstract]    
Depreciation expense $ 104 $ 0