Income Taxes Income Taxes - Schedule of Deferred Income Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2013	Dec. 31, 2012
Deferred tax assets:
Net operating loss carry forwards	$ 55,171	$ 48,727
Development Costs	10,962	8,158
Total deferred tax assets, gross	66,133	56,885
Deferred tax liability:
Depreciation	(301)	(311)
Net deferred tax assets	65,832	56,574
Valuation allowance	(65,832)	(56,574)
Deferred tax assets, net	$ 0	$ 0