Financial instruments (Details1) (CAD)	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Expected dividends paid per common share	0	0	0
Expected life in years	1 year	9 months 18 days
Expected volatility in the price of common shares	66.00%	94.00%
Risk free interest rate	1.00%	1.50%	1.50%
Weighted average fair market value per warrant issued		0.14
USD
Weighted average fair market value per warrant issued	0.05

No authoritative reference available.

No definition available.

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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=7578670&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

Weighted average expected dividend for an entity using a valuation technique with different dividend rates during the contractual term.

+ References

+ Details

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