Quarterly report pursuant to Section 13 or 15(d)

Significant Accounting Policies - Computation of Basic and Diluted Earnings Per Share (Detail)

v2.4.1.9
Significant Accounting Policies - Computation of Basic and Diluted Earnings Per Share (Detail) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Basic and diluted net loss per share of common stock:    
Net loss $ (1,535,718)us-gaap_NetIncomeLoss $ (115,979)us-gaap_NetIncomeLoss
Net loss applicable to common stockholders $ (1,535,718)crbp_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted $ (115,979)crbp_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted
Weighted average shares of common stock outstanding 25,871,796us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 6,964,788us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Net loss per share of common stock-basic and diluted $ (0.06)us-gaap_EarningsPerShareBasicAndDiluted $ (0.02)us-gaap_EarningsPerShareBasicAndDiluted