Liquidity and Continued Operations (Details) (USD $)	6 Months Ended		80 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Apr. 11, 2012	Dec. 31, 2011	Mar. 31, 2012 At-The-Market facility [Member]
Schedule of Liquidity and Continued Operations [Line Items]
Cash and investments	$ 13,400,000		$ 13,400,000
Working capital	13,600,000		13,600,000
Restricted cash	468,662		468,662		1,427,053
Common stock, shares issued (in shares)	41,318,928		41,318,928		39,345,459	1,600,000
Proceeds from common stock	4,132		4,132		3,935	1,200,000
Payments to acquire property, plant and equipment	4,260,552	3,687,814	132,815,348
Remaining obligations for equipment purchases	1,100,000
Accrued property, plant and equipment	$ 336,825		$ 336,825		$ 1,626,317
Minimum bid price requirement for continued listing (in dollars per share)				$ 1.00