Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Net deferred tax assets (liabilities)
Assets, Current	$ 1,119	$ 2,401
Assets, Long-term	36,610	37,162
Liabilities, Current	(3)	(6)
Liabilities, Long-term	(86)	(566)
Valuation allowance, Current	(1,110)	(2,395)
Valuation allowance, Long-term	(36,616)	(36,654)
Net deferred tax liability, Current	6
Deferred income tax liability, net	$ (86)	$ (58)

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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- Definition

Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences expected to be realized or consumed within one year or operating cycle, if longer.

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- Definition

Amount of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards expected to be realized or consumed within one year or operating cycle, if longer.

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- Definition

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized expected to be realized or consumed after one year (or the normal operating cycle, if longer).

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