Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Additional Information (Detail)

v2.4.1.9
Related Party Transactions - Additional Information (Detail) (USD $)
0 Months Ended 12 Months Ended
Mar. 24, 2014
Dec. 31, 2014
Dec. 31, 2013
Schedule of Other Related Party Transactions [Line Items]      
Common stock share issued   25,938,332us-gaap_CommonStockSharesIssued 6,964,788us-gaap_CommonStockSharesIssued
Common stock, issued value   $ 2,594us-gaap_CommonStockValue $ 696us-gaap_CommonStockValue
Common stock value per share   $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare $ 0.0001us-gaap_CommonStockParOrStatedValuePerShare
Aegis Capital Corp and Other Affiliates [Member]      
Schedule of Other Related Party Transactions [Line Items]      
Common stock share issued     6,000,000us-gaap_CommonStockSharesIssued
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= crbp_AegisCapitalCorpAndOtherAffiliatesMember
Common stock, issued value     120,000us-gaap_CommonStockValue
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= crbp_AegisCapitalCorpAndOtherAffiliatesMember
Common stock value per share     $ 0.02us-gaap_CommonStockParOrStatedValuePerShare
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= crbp_AegisCapitalCorpAndOtherAffiliatesMember
Director [Member]      
Schedule of Other Related Party Transactions [Line Items]      
Common stock share issued     450,000us-gaap_CommonStockSharesIssued
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= us-gaap_DirectorMember
Trust [Member]      
Schedule of Other Related Party Transactions [Line Items]      
Common stock share issued     90,000us-gaap_CommonStockSharesIssued
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= crbp_TrustMember
Aegis Capital Corp [Member]      
Schedule of Other Related Party Transactions [Line Items]      
Description of private placement   The Placement Agent has a right to appoint one member of our board of directors for a two-year term (the "Aegis Nominee").  
Orchestra Medical Ventures LLC [Member]      
Schedule of Other Related Party Transactions [Line Items]      
Compensation rate per month 5,000crbp_RelatedPartyTransactionMonthlyRatesForTransitionServices
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= crbp_OrchestraMedicalVenturesLlcMember
   
Amount paid to the service   45,000crbp_RelatedPartyTransactionAmountsPaidToRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= crbp_OrchestraMedicalVenturesLlcMember
0crbp_RelatedPartyTransactionAmountsPaidToRelatedParty
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= crbp_OrchestraMedicalVenturesLlcMember
Amount payable to the service   $ 15,000us-gaap_DueToRelatedPartiesCurrent
/ us-gaap_RelatedPartyTransactionsByRelatedPartyAxis
= crbp_OrchestraMedicalVenturesLlcMember