Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2013

Supplemental Cash Flow Information

Schedule of reconciliation of net loss for the period to cash used in operations

	Six Months Ended
	June 30,
	2013			2012
	(in thousands)
Cash flows from operating activities:
Net loss	$	(224,065	)	$	(17,771	)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation	5,097			3,843
Accretion of asset retirement obligation	78			35
Foreign currency loss on loss contingency	(260		)	(118		)
Foreign currency (gain) loss on deferred tax liability	423			(189		)
Impairment of goodwill	11,180			—
Impairment (reversal of impairment) of accounts receivable	—			35
Impairment of long lived assets	238,020			—
Asset write off	60			425
Write off of loss contingency	(299		)	—
Realized loss on marketable securities	133			—
Fair value of stock/warrants received for mineral rights	—			(101		)
Gain on sale of assets, net	(3,236		)	(1,860		)
Income tax provision	(47,495		)	(2,960		)
Stock compensation	979			523
Changes in operating assets and liabilities:
Increase (decrease) in trade accounts receivable	(21		)	(1,812		)
Decrease in prepaid expenses and other assets	241			278
Decrease (increase) in inventories	1,564			(149		)
Decrease (increase) in value added tax recoverable, net	1,674			(1,409		)
Decrease in reclamation liability	(6		)	—
Increase (decrease) in accounts payable and accrued liabilities	(767		)	(1,641		)
Decrease in deferred leasehold payments	(88		)	(48		)
Net cash used in operating activities	$	(16,788	)	$	(22,919	)