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Stockholders' Deficiency-warrants issued, exercised and expired (Details) - 6 months ended Jun. 30, 2015 - $ / shares	Total
Summary of warrants issued, exercised and expired during the year
Balance at December 31, 2014	5,586,000
Shares Issued
Shares Expired	(835,000)
Balance at March 31, 2015	4,751,000
Weighted Average Exercise Price Balance at December 31, 2014	$ 0.99
Weighted Average Exercise Price Issued
Weighted Average Exercise Price Expired	$ (1.80)
Weighted Average Exercise Price Balance at March 31, 2015	0.84
Aggregate Intrinsic Value Balance at December 31, 2014	$ 45,000
Aggregate Intrinsic Value Issued
Aggregate Intrinsic Value Expired
Aggregate Intrinsic Value Balance at March 31, 2015	$ 45,000

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Per share weighted average intrinsic value of equity-based compensation awards forfeited. Excludes stock and unit options.

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Per share weighted average intrinsic value of equity-based compensation awards granted. Excludes stock and unit options.

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Per share weighted average intrinsic value of equity-based compensation awards not vested. Excludes stock and unit options.

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For presentations that combine terminations, 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 or that expired.

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

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average grant-date fair value of non-vested options forfeited.

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