Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charges (Details)

v3.20.2
Restructuring Charges (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 08, 2018
employee
Dec. 31, 2018
USD ($)
Jun. 30, 2019
USD ($)
Summary of restructuring balances      
Beginning balance     $ 1,419
Payment of employee severance costs     $ (1,419)
Ending balance   $ 1,419  
Employee Severance      
Restructuring Charges      
Number of positions eliminated, percent 33.33%    
Number of positions eliminated | employee 14    
Total costs related to the restructuring   $ 1,400