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Income Taxes (Details Textual) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | |
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Mar. 31, 2013
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Dec. 31, 2012
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| Deferred Tax Benefits From Options and Warrants Exercises | $ 6.4 | |
| Deferred Tax Assets, Operating Loss Carryforwards, Domestic | 37.7 | |
| Operating Loss Carryforwards, Expiration Dates | Fiscal 2020 through 2032 | |
| Deferred Tax Assets, Operating Loss Carryforwards, State and Local | $ 21.4 | |
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State and Local Jurisdiction [Member]
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| Operating Loss Carryforwards, Expiration Dates | Fiscal 2018 through 2032 |
| X | ||||||||||
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- Definition
Amount of deferred tax benefit attributable from exercise of options and warrants and will be credited to additional paid in capital when net operating losses attributable to the exercises are utilized. No definition available.
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| X | ||||||||||
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- 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible state and local operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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