Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.20.2
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
Summary of Significant Accounting Policies [Line Items]          
Increase in additional paid in capital from reclassification   $ 912      
Increase in accumulated deficit from reclassification   912      
Amounts due to related party $ 24   $ 24   $ 36
Professional Services          
Summary of Significant Accounting Policies [Line Items]          
Costs incurred under the arrangements $ 46 $ 180 $ 268 $ 445  
Minimum          
Summary of Significant Accounting Policies [Line Items]          
Investments maturity year     2020    
Maximum          
Summary of Significant Accounting Policies [Line Items]          
Investments maturity year     2021