Condensed Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Current Assets
Accumulated depreciation on equipment and furnishings	$ 413,219	$ 409,442
Amortization on patents	5,782,817	5,447,257
Stockholders' Equity
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	25,000,000	25,000,000
Preferred stock, shares issued	4,218,332	5,389,998
Preferred stock, shares outstanding	4,218,332	5,389,998
Aggregate liquidation preference	$ 3,227,973	$ 4,122,245
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	108,659,601	91,297,883
Common stock, shares outstanding	108,659,601	91,297,883