Annual report pursuant to Section 13 and 15(d)

Note 11 - Accrued Closure Costs and ARO (Tables)

v3.3.1.900
Note 11 - Accrued Closure Costs and ARO (Tables)
12 Months Ended
Dec. 31, 2015
Notes Tables  
Schedule of Change in Asset Retirement Obligation [Table Text Block]
Amounts in thousands
       
Balance as of December 31, 2013
  $ 5,222  
Accretion expense
    286  
Balance as of December 31, 2014
    5,508  
Accretion expense
    299  
Payments
    (331 )
Adjustment to closure liability
    (175 )
Balance as of December 31, 2015
  $ 5,301  
Schedule of Asset Retirement Obligations [Table Text Block]
Amounts in thousands
       
Balance as of December 31, 2013
  $ 2,961  
Amortization of closure and post-closure asset
    (91 )
Balance as of December 31, 2014
    2,870  
Amortization of closure and post-closure asset
    (152 )
Adjustment to closure and post-closure asset
    (143 )
Balance as of December 31, 2015
  $ 2,575