Financial instruments (Details 2)	12 Months Ended
Dec. 31, 2014 CAD	Dec. 31, 2013 CAD	Dec. 31, 2012 CAD	Dec. 31, 2012 USD ($)
FinancialInstrumentsDetails1Abstract
Expected dividends paid per common share
Expected life in years		3 months 18 days	1 year
Expected volatility in the price of common shares		65.00%	80.00%
Risk free interest rate		1.00%	1.20%
Weighted average fair market value per US$ Warrant issued during the year				$ 0.08us-gaap_SharePrice

Expected life in years.

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- Details

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- Definition

Amount of dividends expected to be paid to holders of the underlying shares or contracted instruments over the term of the instruments life.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (e)

-URI http://asc.fasb.org/extlink&oid=25499696&loc=d3e19207-110258

+ Details

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- Definition

Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

+ Details

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- Definition

Risk-free interest rate assumption used in valuing an instrument.

+ References

+ Details

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- Definition

Price of a single share of a number of saleable stocks of a company.

+ References

+ Details

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