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Income Taxes (Details Narrative) (USD $) | 12 Months Ended
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Dec. 31, 2012
Income Tax Disclosure [Abstract] |
Unrecognized deferred tax benefits for stock-based compensation deduction | $ 2,022,000
Federal net operating loss carryforwards | 30,428,000
Deferred federal income research and development expense | 379,000
Net operating loss carryforwards for state income tax purposes | 21,336,000
State research and development tax credits | 254,000
Federal net operating loss carryforwards expired unutilized | $ 2,904,000
Operating Loss Carryforwards, Expiration Dates | This net operating loss carryforward expires in fiscal 2012.

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