Supplemental Cash Flow Information (Tables)

6 Months Ended

Jun. 30, 2012

Supplemental Cash Flow Information

Schedule of reconciliation of net loss to cash used in operations

	Six Months Ended
	June 30,
	2012			2011
	(in thousands)
Cash flows from operating activities:
Net loss	$	(17,771	)	$	(34,516	)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization and depreciation	3,843			863
Accretion of asset retirement obligation	35			—
Foreign currency gain on loss contingency	(118		)	—
Foreign currency gain on deferred tax liability	(189		)	—
Impairment (reversal of impairment) of accounts receivable	35			75
Asset write off	425			—
Gain on sale of marketable securities	—			(117		)
Fair value of stock/warrants received for mineral rights	(101		)	—
Gain on sale of assets, net	(1,860		)	(405		)
Income tax provision	(2,960		)	98
Stock compensation	523			2,068
Changes in operating assets and liabilities:
Increase in trade accounts receivable	(1,812		)	—
Decrease in prepaid expenses and other assets	278			167
Increase in inventories	(149		)	—
Increase in value added tax recoverable, net	(1,409		)	—
Increase (decrease) in accounts payable and accrued liabilities	(1,641		)	1,212
Decrease in deferred leasehold payments	(48		)	(46		)
Treasury shares acquired and retired	—			(925		)
Net cash used in operating activities	$	(22,919	)	$	(31,526	)