Organization and Basis of Presentation (Details) (USD $)	1 Months Ended			9 Months Ended
	Oct. 31, 2012	Sep. 30, 2012	Jul. 31, 2012	Sep. 30, 2012 Segment	Dec. 31, 2011	Sep. 30, 2011	Dec. 31, 2010	Jul. 21, 1980
Organization and Basis of Presentation (Textual) [Abstract]
Number of operating segments				1
Losses incurred during the period		$ 369,184,000		$ 369,184,000	$ 309,964,000
Cash and cash equivalents		37,987,000		37,987,000	39,904,000	46,356,000	33,589,000	0
Date of Incorporation				Jul. 22, 1980
Common stock outstanding, reverse stock split			0.167
Company name change effective from				Jul. 11, 2012
Total proceeds authorized		40,000,000		40,000,000
Common stock issued	600,000	1,400,000
Net proceeds from issue of common stock	$ 16,400,000	$ 19,900,000