Quarterly report pursuant to Section 13 or 15(d)

Separation charges (Details)

v3.10.0.1
Separation charges (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
May 11, 2018
Jun. 30, 2018
Jun. 30, 2018
Restricted stock      
Restructuring Cost and Reserve [Line Items]      
Fully vested (in shares)     154,960
Unrecognized stock compensation   $ 1,600 $ 1,600
Employee Severance      
Restructuring Cost and Reserve [Line Items]      
Cash payment payable $ 700    
Period for consecutive equal monthly installments 12 months    
Lump sum cash payment $ 30    
Period of lump sum payment 30 days    
Payment of accrued vacation $ 40    
Restructuring expenses   2,400  
Accelerated vesting of restricted stock grants   1,700  
Cash payments to be paid in the next 12 months   $ 800 $ 800
Separation payment period   12 months  
Employee Severance | Restricted stock      
Restructuring Cost and Reserve [Line Items]      
Fully vested (in shares) 109,084