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Stockholders' Equity (Details 3) (USD $)	3 Months Ended		9 Months Ended
Stockholders' Equity (Details 3) (USD $)	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Stock based compensation expense, stock options with:
Service conditions only	$ 4,716,070		$ 40,000	$ 4,718,214
Combined market and service conditions	306,250			306,250
Combined market and performance conditions	1,555,535			1,555,535
Restricted stock	816,000			722,486
Total	$ 7,393,855		$ 40,000	$ 7,402,485

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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