CONDENSED CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Current liabilities
Insurance premium financing, interest rate (in Percent)	3.90%	3.90%
Stockholders' equity
Series A convertible preferred stock, par value (in dollars per Share)	$ 0.001	$ 0.001
Series A convertible preferred stock, shares authorized (in Shares)	2,000,000	2,000,000
Series A convertible preferred stock, shares issued (in Shares)	107,172	107,172
Series A convertible preferred stock, shares outstanding (in Shares)	107,172	107,172
Liquidation preference	$ 2,679,300	$ 2,679,300
Common stock, par value (in dollars per Share)	$ 0.001	$ 0.001
Common stock, shares authorized (in Shares)	500,000,000	500,000,000
Common stock, shares issued (in Shares)	91,735,662	91,670,192
Common stock, shares outstanding (in Shares)	91,735,662	91,670,192