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Income Taxes (Details Narrative) (USD $) In Millions, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Notes to Financial Statements
Gross operating loss carryforwards for U.S. federal income tax purposes	$ 41	$ 38
Expiry year for U.S. federal income tax purposes	2019
Operating loss carryforwards for state income tax purposes	$ 52	$ 49
Expiry year for state income tax purposes	2018

- Definition

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible domestic operating loss carryforwards. Excludes state and local operating loss carryforwards.

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- Definition

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

+ References+ Details