Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Dec. 31, 2011
Deferred tax assets:
Capitalized start up costs	$ 3,364	$ 3,558
Stock-based compensation	655	665
Net operating loss carryover	80,967	68,036
Other	129	258
Deferred tax assets	85,115	72,517
Valuation allowance	(43,790)	(33,802)
Deferred tax liabilities:
Property, plant and equipment	(41,325)	(38,715)
Deferred tax liabilities	(41,325)	(38,715)
Net deferred tax asset	$ 0	$ 0