Note 13. Asset Retirement Obligations (Tables)

9 Months Ended

Sep. 30, 2012

Schedule of Asset Retirement Obligations [Table Text Block]

	2012			2011
Balance, January 1	$	37,643		$	36,397
Changes in obligations due to changes in reclamation plans		—			387
Accretion expense		842			1,119
Payment of reclamation obligations		(266	)		(260	)
Balance, end of period	$	38,219		$	37,643