2.4.0.80023 - Disclosure - 7. DERIVATIVE LIABILITIES (Details 1)truefalsefalse1false USDfalsefalse$Context_As_Of_30-Apr-2013http://www.sec.gov/CIK0001363573instant2013-07-31T00:00:000001-01-01T00:00:00pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USD_per_ShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$2false USDfalsefalse$Context_As_Of_31-Jan-2013http://www.sec.gov/CIK0001363573instant2013-01-31T00:00:000001-01-01T00:00:00sharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0pureStandardhttp://www.xbrl.org/2003/instancepurexbrli0USD_per_ShareDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$1true 1clgl_DerivativeLiabilitiesDetails1Abstractclgl_falsenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalse2falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Derivative Liabilities Details 12false 2clgl_CommonStockIssuableUponExerciseOfWarrantsclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truefalsefalse4167119541671195falsefalsefalse2truefalsefalse4167119541671195falsefalsefalsexbrli:sharesItemTypesharesNo authoritative reference available.No definition available.false1Common stock issuable upon exercise of warrants3false 2clgl_MarketPriceOfCompanysCommonStockOnMeasurementDatesclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse0.010.01USD$falsetruefalse2truefalsefalse0.0080.008USD$falsetruefalsenum:perShareItemTypedecimalNo authoritative reference available.No definition available.false3Market price of the Company’s common stock on the measurement dates4false 2clgl_ExercisePriceRangeMinclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse0.030.03USD$falsetruefalse2truefalsefalse0.030.03USD$falsetruefalsenum:perShareItemTypedecimalNo authoritative reference available.No definition available.false3Exercise price range, min5false 2clgl_ExercisePriceRangeMaxclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse0.060.06USD$falsetruefalse2truefalsefalse0.060.06USD$falsetruefalsenum:perShareItemTypedecimalNo authoritative reference available.No definition available.false3Exercise price range, max6false 2clgl_RiskFreeInterestRateRange1Minclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse0.00610.0061[1]falsefalsefalse2truetruefalse0.00420.0042[1]falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Risk free interest rate range (1), min7false 2clgl_RiskFreeInterestRateRange1Maxclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse0.00990.0099[1]falsefalsefalse2truetruefalse0.0650.065[1]falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Risk free interest rate range (1), max8false 2clgl_DividendYieldclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse00falsefalsefalse2truetruefalse00falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Dividend yield9false 2clgl_VolatilityRangeMinclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse3.18593.1859falsefalsefalse2truetruefalse3.06623.0662falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Volatility range, min10false 2clgl_VolatilityRangeMaxclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalseverboseLabel1truetruefalse3.42023.4202falsefalsefalse2truetruefalse3.27983.2798falsefalsefalsenum:percentItemTypepureNo authoritative reference available.No definition available.false0Volatility range, max11false 2clgl_ExpectedExerciseTermInYearsMinclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse002 years 4 months 20 daysfalsefalsefalse2falsefalsefalse002 years 10 months 20 daysfalsefalsefalsexbrli:durationItemTypenaNo authoritative reference available.No definition available.false0Expected exercise term in years, min12false 2clgl_ExpectedExerciseTermInYearsMaxclgl_falsenainstantfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse003 years 7 months 17 daysfalsefalsefalse2falsefalsefalse004 years 1 month 13 daysfalsefalsefalsexbrli:durationItemTypenaNo authoritative reference available.No definition available.false0Expected exercise term in years, max1The risk-free interest rate was determined by management using the 3-year and the average of the 3- and 5-year Treasury Bill as of July 31, 2013 and January 31, 2013.false7. DERIVATIVE LIABILITIES (Details 1) (USD $)UnKnownNoRoundingNoRoundingUnKnowntruefalsefalseSheethttp://0001363573.com/role/DerivativeLiabilitiesDetails1212