Income Taxes (Future Income Taxes (Recovery)) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	$ 24,307us-gaap_DeferredTaxAssetsGross	$ 27,170us-gaap_DeferredTaxAssetsGross
Less: valuation allowance	(24,307)	(27,170)
Net future tax assets	0us-gaap_DeferredTaxAssetsNet	0us-gaap_DeferredTaxAssetsNet
SRED expenditures [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	2,195	2,195
Income tax loss carryforwards [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	19,355	22,220
Non-refundable investment tax credits [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	1,719	1,719
Share issue costs [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	19	31
Accrued expenses [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	0	0
Fixed and intangible assets [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	1,019	1,006
Harmonization credit [Member]
Income Taxes Future Recovery Disclosure [Line Items]
Future tax assets gross	$ 0	$ 0

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (b)

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 45

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=37586315&loc=d3e31917-109318

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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