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Income Taxes (Narrative) (Details) (USD $)	12 Months Ended
Income Taxes (Narrative) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Federal income NOL carry-forwards	$ 363,000,000
Federal statutory rate	35.00%
Valuation allowance increase (decrease)	$ 404,000	$ 6,529,000	$ 3,411,000
Minimum [Member]
NOL carry-forwards expiration	2018

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

The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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- Definition

The amount of the change in the period in the valuation allowance for a specified deferred tax asset.

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