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Income Tax (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Operating Loss Carryforwards	$ 34,200	$ 35,800
Deferred Tax Assets, Operating Loss Carryforwards	9,000	9,200
Deferred Tax Assets, Valuation Allowance	6,300	6,000
Liability for Uncertain Tax Positions, Noncurrent	$ 0

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.