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Schedule of Deferred Tax Assets and Liabilities (Details) (Approximations [Member], USD $)
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Sep. 30, 2013
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Dec. 31, 2012
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|---|---|---|
| Capitalized start up costs | $ 4,700,000 | $ 5,100,000 |
| Share based compensation | 21,900,000 | 21,700,000 |
| Net operating loss carry-forward | 38,200,000 | 34,400,000 |
| Less: valuation allowance | (64,800,000) | (61,200,000) |
| Deferred Tax Assets, Net, Total | 0 | 0 |
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Deferred Tax Asset Amount [Member]
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| Capitalized start up costs | 1,900,000 | 2,000,000 |
| Share based compensation | 8,800,000 | 8,700,000 |
| Net operating loss carry-forward | 15,300,000 | 13,800,000 |
| Less: valuation allowance | (26,000,000) | (24,500,000) |
| Deferred Tax Assets, Net, Total | $ 0 | $ 0 |
| X | ||||||||||
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- Definition
Capitalized start up costs No definition available.
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| X | ||||||||||
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- Definition
Share based compensation No definition available.
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| X | ||||||||||
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and 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 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 of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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