Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Additional Information (Details)

v3.19.3
Summary of Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2018
Sep. 30, 2019
Sep. 30, 2018
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 47   $ 47  
Chief Executive Officer and President        
Summary of Significant Accounting Policies [Line Items]        
Costs incurred under the arrangement recorded as general and administrative expense   $ 103   $ 168
Professional Services        
Summary of Significant Accounting Policies [Line Items]        
Costs incurred under the arrangement recorded as general and administrative expense $ 180 $ 30 $ 445 $ 41