Quarterly report pursuant to Section 13 or 15(d)

Restructuring Charges (Details)

v3.19.3
Restructuring Charges (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Nov. 08, 2018
employee
Dec. 31, 2018
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2018
USD ($)
Summary of restructuring balances        
Beginning balance   $ 78 $ 1,419 $ 1,077
Current year restructuring costs       64
Payment of employee severance costs     $ (1,419) (999)
Ending balance   1,419   $ 78
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