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Income Taxes (Details 2)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2012
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| Income Tax Disclosure [Abstract] | ||
| U.S. federal statutory rate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate |
| Change in fair value of warrant liability | 1070.00%cocp_ChangeInFairValueOfWarrantLiability | 200.00%cocp_ChangeInFairValueOfWarrantLiability |
| State income taxes, net of federal benefit | 40.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes | 300.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes |
| Tax credits | 90.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits | 300.00%us-gaap_EffectiveIncomeTaxRateReconciliationTaxCredits |
| Change in valuation allowance | (1120.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance | (4200.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowance |
| Permanent differences | (70.00%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments | |
| Other | (10.00%)us-gaap_EffectiveIncomeTaxRateReconciliationTaxCreditsOther | |
| Effective rate | (34.00%)us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate | 0.00%us-gaap_EffectiveIncomeTaxRateReconciliationChangeInEnactedTaxRate |
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- Definition
custom:ChangeInFairValueOfWarrantLiability 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 changes in the income tax rates. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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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 applicable to state and local income tax expense (benefit), net of federal tax expense (benefit). 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 tax credits. Including, but not limited to, research credit, foreign tax credit, investment tax credit, and other tax credits. 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 tax credits. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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