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Subsequent Events - Additional Information (Detail) (Two Thousand Fourteen Equity Incentive Plan [Member])
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0 Months Ended | |
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Jan. 01, 2015
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Dec. 31, 2014
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| Subsequent Event [Line Items] | ||
| Total shares reserved, stock option plan | 3,556,691us-gaap_CommonStockCapitalSharesReservedForFutureIssuance | |
| Shares available for grant | 3,205,952us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant | |
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Stock Options [Member] | Subsequent Event [Member]
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| Subsequent Event [Line Items] | ||
| Increase in number of shares reserved for future grants |
1,815,683us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingPeriodIncreaseDecrease / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = crbp_TwoThousandFourteenEquityIncentivePlanMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| Total shares reserved, stock option plan |
8,666,017us-gaap_CommonStockCapitalSharesReservedForFutureIssuance / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = crbp_TwoThousandFourteenEquityIncentivePlanMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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| Shares available for grant |
5,109,326us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_PlanNameAxis = crbp_TwoThousandFourteenEquityIncentivePlanMember / us-gaap_SubsequentEventTypeAxis = us-gaap_SubsequentEventMember |
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- Definition
Aggregate number of common shares reserved for future issuance. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The increase or decrease in number of shares reserved for issuance under stock option agreements awarded under the plan that validly exist and are outstanding, including vested options. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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