Quarterly report pursuant to Section 13 or 15(d)

Warrants (Details 1)

v2.4.1.9
Warrants (Details 1) (USD $)
3 Months Ended
Mar. 31, 2015
February 2012 warrants [Member]  
Strike price $ 0.60us-gaap_FairValueAssumptionsExercisePrice
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants2Member
Expected term (years) 10 months 24 days
Cumulative volatility % 84.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants2Member
Risk-free rate % 0.26%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants2Member
August 2013 warrants [Member]  
Strike price $ 0.40us-gaap_FairValueAssumptionsExercisePrice
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants5Member
Expected term (years) 8 years 4 months 24 days
Cumulative volatility % 104.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants5Member
Risk-free rate % 1.82%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants5Member
October 2013 warrants [Member]  
Strike price $ 0.50us-gaap_FairValueAssumptionsExercisePrice
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants6Member
Expected term (years) 8 years 7 months 6 days
Cumulative volatility % 103.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants6Member
Risk-free rate % 1.83%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_Warrants6Member
January 2014 Warrants [Member]  
Strike price $ 0.50us-gaap_FairValueAssumptionsExercisePrice
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_January2014WarrantsMember
Expected term (years) 8 years 9 months 18 days
Cumulative volatility % 103.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_January2014WarrantsMember
Risk-free rate % 1.85%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_ClassOfWarrantOrRightAxis
= COCP_January2014WarrantsMember