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Income Taxes (Details Textual) (USD $)
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12 Months Ended | |
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Dec. 31, 2012
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Dec. 31, 2011
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| Income Taxes (Textual) [Abstract] | ||
| Valuation allowance | $ 26,201,000 | $ 17,007,000 |
| Prior year state NOL | (2.00%) | 3.00% |
| Prior year federal NOL | (3.00%) | |
| State rate change | 1.00% | |
| Overstate gross deferred tax assets | 3,600,000 | |
| Understate the valuation allowance | 3,600,000 | |
| Unrecognized tax benefits | 0 | |
| Interest expense or penalties related to unrecognized tax benefits | 0 | |
| Extended research credit period | 2 years | |
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Domestic Country [Member]
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| Income Taxes (Textual) [Abstract] | ||
| Net operating loss carryforwards | 53,500,000 | |
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State and Local Jurisdiction [Member]
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| Income Taxes (Textual) [Abstract] | ||
| Net operating loss carryforwards | 16,800,000 | |
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Research [Member]
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| Income Taxes (Textual) [Abstract] | ||
| Research and development tax credit carryforwards | 1,000,000 | |
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Orphan Drug Tax Credit [Member]
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| Income Taxes (Textual) [Abstract] | ||
| Research and development tax credit carryforwards | $ 300,000 | |
| X | ||||||||||
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- Definition
Effective Income Tax Rate Reconciliation Prior Year Federal Net Operating Loss True Up No definition available.
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- Definition
Effective income tax rate reconciliation prior year state net operating loss true up. No definition available.
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- Definition
Effective income tax rate reconciliation state rate change. No definition available.
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- Definition
Error related to taxation overstatement of gross deferred tax asset amount. No definition available.
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- Definition
Error related to taxation understatement of valuation amount. No definition available.
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- Details
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- Definition
Tax payer relief act research credit extension period. No definition available.
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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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- Definition
The sum of domestic, foreign and state and local operating loss carryforwards, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
This element represents the total of interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity and the amount of statutory penalties in the period in which the entity claims or expects to claim a tax position, in its tax return, that does not meet the minimum statutory threshold to avoid payment of penalties. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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