Common Stock (Details) (Warrant [Member], USD $)	3 Months Ended
Mar. 31, 2013
Number of option outstanding	2,175,000
Number option issued
Number of option exercised
Number of option expired	(30,000)
Number of option outstanding	2,145,000
Weighted average exercise price of option issued
Weighted average exercise price of option exercised
Weighted average exercise price of option expired	$ 0.5
Number of option exercisable	2,175,000
Number of option exercisable	2,145,000
MaximumMember
Weighted average exercise price of option outstanding	$ 1.50
MinimumMember
Weighted average exercise price of option outstanding	$ 0.20

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- Definition

The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.

+ References

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- Definition

Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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- Definition

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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- Definition

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

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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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Number of share options (or share units) exercised during the current period.

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