Income Taxes (Tables)

6 Months Ended

Jun. 30, 2012

Income Tax Disclosure [Abstract]

Components of the provision for income taxes

The provision for income taxes includes the following components:

	For the three months ended June 30,						For the six months ended June 30,
	2012			2011			2012			2011
Current expense:
Canada	$	—		$	—		$	—		$	—
Foreign	—			(686		)	—			(1,684		)
Deferred tax expense:
Canada	—			—			—			—
Foreign	(2,931		)	(3,115		)	(15,462		)	(6,422		)
Total expense	$	(2,931	)	$	(3,801	)	$	(15,462	)	$	(8,106	)