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Income Taxes (Tables)

12 Months Ended

Dec. 31, 2015

Income Taxes [Abstract]

Schedule of income/(loss) before income tax, domestic and foreign

		Years ended December 31,
		2015			2014
U.S.		$	(3,297)		$	(6,705)
Canada			(121)			(7,750)
Other Foreign			4,429			(4,471)
		$	1,011		$	(18,926)

Schedule of effective income tax rate reconciliation

		Years ended December 31,
		2015			2014
Income taxed at statutory rates		$	392		$	(7,314)
Increase (decrease) in taxes from:
Stock-based compensation			32			41
Meals and entertainment			5			3
Other adjustments			19			—
Adjustment due to capital transactions			(119)			—
Imputed interest			5			3
R&D grant and other			5,366			—
Prior year provision to actual adjustments			(2,894)			(4,511)
Differences in tax rates			(368)			541
Effect of foreign exchange			350			276
Change in effective tax rate			(2)			(1)
Expiration of NOLs			231			189
Change in valuation allowance			(3,017)			10,773
Income tax (benefit)/expense		$	—		$	—

Schedule of deferred tax assets and liabilities

		December 31,
		2015			2014
Deferred income tax assets
Excess tax basis over book basis of property, plant and equipment		$	7,785		$	7,893
Marketable securities			862			798
Operating loss carryforwards			26,464			35,001
Capital loss carryforwards			13,463			10,212
Other			2,725			2,891
Unrealized foreign exchange on loans			—			—
Total future tax assets			51,299			56,795
Valuation allowance for future tax assets			(50,816)			(54,397)
			483			2,398
Deferred income tax liabilities
Other investments			483			1,916
Amayapampa disposal consideration			—			482
			483			2,398
Total Deferred Taxes		$	—		$	—

Summary of expiring loss carryforwards

		Noncapital Canada (1)			U.S.			Mexico			Barbados			Total
2015		$	—		$	—		$	—		$	(2)		$	(2)
2016			—			—			—			(1)			(1)
2017			—			—			—			(6)			(6)
2018			—			—			—			(20)			(20)
2019			—			—			—			(42)			(42)
2020			—			—			—			(20)			(20)
2021			—			—			—			(31)			(31)
2022			—			—			(6,375)			(23)			(6,398)
2023			—			—			(350)			(4)			(354)
2024			—			—			—			—			—
2025			—			—			—			—			—
2026			(1,027)			(625)			—			—			(1,652)
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			(6,076)			(3,098)			—			—			(9,174)
2034			(4,420)			—			—			—			(4,420)
2035			(3,269)			—									(3,269)
		$	(40,141)		$	(16,669)		$	(6,725)		$	(150)		$	(63,684)

(1) Canadian capital loss carryforwards of $61,526 and Australian NOLs of $43,153, which do not expire and are therefore not included above.

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32537-109319

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 12
-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

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- Definition

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(h)(1)(i))
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Tabular disclosure of pertinent information, such as tax authority, amounts, and expiration dates, of net operating loss carryforwards, including an assessment of the likelihood of utilization.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
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