Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Deferred tax assets:
Capitalized start up costs	$ 3,033	$ 3,253
Stock-based compensation	965	965
Net operating loss carryover	87,514	84,960
Other	268	266
Deferred tax assets	91,780	89,444
Valuation allowance	(50,501)	(47,544)
Deferred tax liabilities:
Property, plant and equipment	(41,279)	(41,900)
Deferred tax liabilities	(41,279)	(41,900)
Net deferred tax asset	$ 0	$ 0