Stock Options (Details 1) (USD $)	9 Months Ended
Sep. 30, 2012
Option activity under the Plans and options granted to officers of the Company
Shares Outstanding, Beginning	6,302,893
Weighted Average Exercise Price Beginning	$ 0.76
Shares Granted	2,336,000
Weighted Average Exercise Price of Shares Granted	$ 2.49
Shares Forfeited	(1,342,272)
Weighted Average Exercise Price of Shares Forfeited	$ 2.03
Shares Exercised	(687,428)
Weighted Average Exercise Price of Shares Exercised	$ 0.07
Shares Outstanding, Ending Balance	6,609,193
Weighted Average Exercise Price Ending Balance	$ 1.19
Weighted Average Remaining Contractual Term in Years	7 years 6 months 11 days
Aggregate Intrinsic Value	$ 4,365,898
Vested at September 30, 2012	3,633,252
Weighted Average Exercise Price Shares Vested	$ 0.64
Vesting period	6 years 4 months 24 days
Aggregate Intrinsic Value Shares Vested	$ 3,651,483

Weighted average price of options that were either forfeited or expired.

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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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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of options outstanding.

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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 remaining contractual term for fully vested and expected to vest options that are 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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Amount of difference between fair value of the underlying shares reserved for issuance and exercise prices of fully vested and expected to vest options outstanding.

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As of the balance sheet date, the number of shares into which fully vested and expected to vest stock options outstanding can be converted under the option plan.

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