Note 11 - Accrued Closure Costs and ARO (Tables)

12 Months Ended

Dec. 31, 2015

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

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