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Income Taxes (Details Textual) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Income Tax Disclosure [Abstract]
Federal net operating loss carry-forward	$ 64,182
State net operating loss carry-forward	31,200
Credit carry-forwards, research	$ 165	$ 128

- 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.

+ References+ Details

- Definition

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

+ References+ Details