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Commitments and Contingencies - Additional Information (Detail) (USD $)
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3 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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| Commitment And Contingencies [Line Items] | ||
| Terms of lease | 3 years | |
| Standby letters of credit | $ 13,730us-gaap_LettersOfCreditOutstandingAmount | |
| Rent expense | $ 13,725us-gaap_LeaseAndRentalExpense | $ 0us-gaap_LeaseAndRentalExpense |
| Norwood, Ma [Member] | ||
| Commitment And Contingencies [Line Items] | ||
| Area of office space |
2,387crbp_AreaOfOfficeSpace / us-gaap_StatementGeographicalAxis = crbp_NorwoodMaMember |
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| X | ||||||||||
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- Definition
Area Of Office Space No definition available.
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Operating Lease Terms No definition available.
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| X | ||||||||||
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- Definition
Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. No definition available.
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| X | ||||||||||
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- Definition
The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. No definition available.
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| X | ||||||||||
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- Details
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