Annual report pursuant to Section 13 and 15(d)

Closure Costs (Details)

v3.8.0.1
Closure Costs (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2017
USD ($)
Closure Costs  
Closure Costs Incurred for the Period $ 2,403
Cash Payments for the Period (1,528)
Non-cash adjustments for the period (400)
Closure Costs Liability, Ending Balance 475
Severance  
Closure Costs  
Closure Costs Incurred for the Period 704
Cash Payments for the Period (307)
Non-cash adjustments for the period (285)
Closure Costs Liability, Ending Balance 112
Lease abandonment  
Closure Costs  
Closure Costs Incurred for the Period 582
Cash Payments for the Period (158)
Non-cash adjustments for the period (115)
Closure Costs Liability, Ending Balance 309
Other costs  
Closure Costs  
Closure Costs Incurred for the Period 1,117
Cash Payments for the Period (1,063)
Closure Costs Liability, Ending Balance $ 54