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Summary of Significant Accounting Policies (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Summary of stock-based compensation allocated to research, development, general and administrative expenses
Total stock-based compensation expense	$ 43,606	$ 59,009	$ 86,845	$ 81,529
Research and development [Member]
Summary of stock-based compensation allocated to research, development, general and administrative expenses
Total stock-based compensation expense	5,936	9,888	11,887	(24,026)
General and administrative [Member]
Summary of stock-based compensation allocated to research, development, general and administrative expenses
Total stock-based compensation expense	$ 37,670	$ 49,121	$ 74,958	$ 105,555

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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