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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2013

Income Taxes [Abstract]

Reconciliation of income taxes at statutory rates

			Years ended December 31,
			2013		2012		2011
Income taxed at statutory rates		$	(28,916)	$	(34,860)	$	33,846
Increase (decrease) in taxes from:
	Stock-based compensation		13		147		113
	Debt discount interest		-		-		(2)
	Meals and entertainment		9		3		5
	Loss related to Mexico		(2,632)		-		-
	Other adjustments		(9)		6		77
	Adjustment due to capital transactions		(60)		(733)		89
	Imputed interest		3		24		82
	Realized fx gain (loss) on intercompany balances		(3)		(3)		-
	Prior year provision to actual adjustments		9,961		(40)		987
	Differences in tax rates		3,451		3,905		1,930
	Effect of foreign exchange		-		(340)		603
	Change in effective tax rate		(407)		(333)		(764)
	Expiration of NOLs		437		70		1,526
	Change in valuation allowance		2,780		12,007		(2,970)
Income tax (benefit)/expense		$	(15,373)	$	(20,147)	$	35,522

Schedule of Deferred Tax Assets and Liabilities

		December 31,
		2013		2012		2011
Deferred income tax assets
Excess tax basis over book basis of property, plant and equipment	$	7,496	$	8,001	$	6,011
Marketable securities		661		62		-
Operating loss carryforwards		36,367		37,635		26,772
Capital loss carryforwards		5,474		2,630		2,645
Other		1,541		3,219		2,023
Unrealized foreign exchange on loans		79		217		676
Total future tax assets		51,618		51,764		38,127
Valuation allowance for future tax assets		(43,955)		(41,817)		(29,291)
		7,663		9,947		8,836
Deferred income tax liabilities
Marketable securities		-		-		14,092
Other investments		7,181		24,839		29,784
Amayapampa disposal consideration		482		482		482
		7,663		25,321		44,358
Total Deferred Taxes	$	-	$	(15,374)	$	(35,522)

Summary of Tax Credit Carryforwards and Expirations

		Noncapital
		Canada (1)			U.S.			Mexico			Barbados			Total
2013		$	-		$	-		$	-		$	-		$	-
2014			(725)			-			-			-			(725)
2015			(889)			-			-			(2)			(891)
2016			-			-			-			(1)			(1)
2017			-			-			-			(6)			(6)
2018			-			-			-			(20)			(20)
2019			-			(519)			-			(42)			(561)
2020			-			(783)			-			(20)			(802)
2021			-			(779)			(613)			(31)			(1,423)
2022			-			(748)			(7,942)			(23)			(8,712)
2023			-			(691)			-			-			(691)
2024			-			(2,082)			-			-			(2,082)
2025			-			(2,362)			-			-			(2,362)
2026			(1,027)			(1,213)			-			-			(2,240)
2027			(847)			(1,700)			-			-			(2,547)
2028			(5,245)			(1,719)			-			-			(6,964)
2029			(4,022)			(1,970)			-			-			(5,992)
2030			(5,032)			(1,827)			-			-			(6,859)
2031			(3,806)			(3,407)			-			-			(7,213)
2032			(6,397)			(2,323)			-			-			(8,720)
2033			(9,397)			(2,250)			-			-			(11,647)
		$	(37,387)		$	(24,372)		$	(8,555)		$	(146)		$	(70,459)

Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]

			Years ended December 31,
		2013			2012			2011
U.S.		$	(49,124)		$	(52,448)		$	109,895
Canada			(9,540)			(11,962)			(985)
Other Foreign			(16,197)			(26,393)			(21,842)
		$	(74,861)		$	(90,803)		$	87,068

Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]

				Years ended December 31,
			2013			2012			2011
Deferred income tax expense (benefit)
	U.S.			(15,373)			(20,147)			35,522
	Canada			-			-			-
	Other Foreign			-			-			-
Total tax expense (benefit)			$	(15,373)		$	(20,147)		$	35,522

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Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

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Tabular disclosure of the components of net deferred tax asset or liability recognized in an entity's statement of financial position, including the following: the total of all deferred tax liabilities, the total of all deferred tax assets, the total valuation allowance recognized for deferred tax assets.

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Tabular disclosure of the reconciliation using percentage or dollar amounts of the reported amount of income tax expense attributable to continuing operations for the year to the amount of income tax expense that would result from applying domestic federal statutory tax rates to pretax income from continuing operations.

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Tabular disclosure of income before income tax between domestic and foreign jurisdictions.

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Tabular disclosure of tax credit carryforwards available to reduce future taxable income, including amounts, expiration dates, limitations on use and the related deferred tax assets and valuation allowances.

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