Income Taxes (Schedule of Tax Rate Reconciliation) (Details) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
|
| Amount | |||
| Benefit at statutory rate | $ (9,777,786) | $ (12,147,068) | $ (14,517,816) |
| Adjustments to valuation allowance | 9,728,667 | 12,925,380 | 15,399,021 |
| Adjustments to R&D credit carryforwards | (612,087) | (340,886) | (842,414) |
| Disqualified debt interest | 438,007 | ||
| Permanent items and other | (212,852) | $ (437,426) | $ (38,791) |
| Benefit per financial statements | $ (436,051) | ||
| Percent | |||
| Benefit at statutory rate | (34.00%) | (34.00%) | (34.00%) |
| Adjustments to valuation allowance | 33.80% | 36.20% | 36.10% |
| Adjustments to R&D credit carryforwards | (2.10%) | (1.00%) | (2.00%) |
| Disqualified debt interest | 1.50% | 0.00% | 0.00% |
| Permanent items and other | (0.70%) | (1.20%) | (0.10%) |
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- Definition Effective income tax rate reconciliation disqualified debt interest expenses. No definition available.
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- Definition Income tax reconciliation disqualified debt interest expenses. No definition available.
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- References No definition available.
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- Definition Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to changes in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- References No definition available.
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- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to increase (decrease) in the valuation allowance for deferred tax assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to research tax credit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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