Capital Stock (Details) (USD $)	6 Months Ended	12 Months Ended
Jun. 30, 2012	Dec. 31, 2011
Company's activity with respect to warrants
Number of Warrants Beginning Balance	3,723,397
Number of Warrants Granted	2,370,593	3,723,397
Number of Warrants Cancelled
Number of Warrants Exercised
Number of Warrants Beginning Balance	6,093,990	3,723,397
Weighted Average Exercise Price Beginning Balance	$ 0.129
Weighted Average Exercise Price Granted	$ 0.126	$ 0.129
Weighted Average Exercise Price Cancelled
Weighted Average Exercise Price Exercised
Weighted Average Exercise Price Ending Balance	$ 0.128	$ 0.129
Weighted Average Remaining Contractual Term	8 months 15 days	10 months 30 days
Weighted Average Remaining Contractual Term Granted	9 months 25 days	10 months 30 days

Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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The number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding as of the balance sheet date, including vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average price at which grantees could have acquired the underlying shares with respect to stock options of the plan that expired.

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