Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Fair Value of Options Granted (Detail)

v2.4.1.9
Stockholders' Equity - Fair Value of Options Granted (Detail) (Service-Based Vesting Condition Options [Member])
12 Months Ended
Nov. 30, 2014
Nov. 30, 2013
Service-Based Vesting Condition Options [Member]
   
Weighted average values:    
Expected dividends 0.00%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= ccel_ServiceBasedVestingConditionOptionsMember
0.00%us-gaap_FairValueAssumptionsExpectedDividendRate
/ us-gaap_AwardTypeAxis
= ccel_ServiceBasedVestingConditionOptionsMember
Expected volatility 84.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= ccel_ServiceBasedVestingConditionOptionsMember
111.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
/ us-gaap_AwardTypeAxis
= ccel_ServiceBasedVestingConditionOptionsMember
Risk free interest rate 1.69%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= ccel_ServiceBasedVestingConditionOptionsMember
1.15%us-gaap_FairValueAssumptionsRiskFreeInterestRate
/ us-gaap_AwardTypeAxis
= ccel_ServiceBasedVestingConditionOptionsMember
Expected life 5 years 5 years