Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Stockholders' Equity (Deficit):
Common stock, par value (in dollars per share)	$ 0.0001	$ 0.0001
Common stock, shares authorized (in shares)	195,000,000	195,000,000
Common stock, shares issued (in shares)	82,017,739	81,886,926
Common stock, shares outstanding (in shares)	82,017,739	81,886,926