Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v3.10.0.1
Basis of Presentation (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2018
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Noncontrolling Interest [Line Items]        
Decrease in noncontrolling interest   $ 500 $ 600  
Noncontrolling interest (deficit) $ (41) (41)   $ 411
Transition expenses 17 1,500    
Accrued transition costs 1,100 1,100    
Retained earnings (accumulated deficit) 844 844   (2,072)
Accrued Severance and Rent Costs        
Noncontrolling Interest [Line Items]        
Accrued severance and rent costs $ 300 $ 300   800
Difference between Revenue Guidance in Effect before and after Topic 606 | Accounting Standards Update 2014-09        
Noncontrolling Interest [Line Items]        
Retained earnings (accumulated deficit)       $ 900