Annual report pursuant to Section 13 and 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 $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Basic and diluted net loss per share of common stock:    
Net loss $ (2,540,485)us-gaap_NetIncomeLoss $ (602,350)us-gaap_NetIncomeLoss
Net loss applicable to common stockholders $ (2,540,485)crbp_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted $ (602,350)crbp_NetIncomeLossAvailableToCommonStockholdersBasicAndDiluted
Weighted average shares of common stock outstanding 20,159,861us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted 6,964,788us-gaap_WeightedAverageNumberOfShareOutstandingBasicAndDiluted
Net loss per share of common stock-basic and diluted $ (0.13)us-gaap_EarningsPerShareBasicAndDiluted $ (0.09)us-gaap_EarningsPerShareBasicAndDiluted