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5. Derivative Liabilities (Details) - Derivative Liability (USD $)
0 Months Ended 1 Months Ended 3 Months Ended 5 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Mar. 31, 2015
Mar. 28, 2015
Mar. 29, 2015
Mar. 30, 2015
Mar. 31, 2015
Dec. 25, 2014
Dec. 31, 2014
Dec. 22, 2014
Dec. 31, 2014
Derivative Liability [Abstract]                      
Balance at period end   $ 653,253us-gaap_IncreaseDecreaseInDerivativeLiabilities $ 221,003us-gaap_IncreaseDecreaseInDerivativeLiabilities               $ 347,672us-gaap_IncreaseDecreaseInDerivativeLiabilities
Day one loss on date notes become convertible                     9,542us-gaap_AvailableForSaleSecuritiesGrossLossesDerivatives
Debt discount 24,271us-gaap_AmortizationOfDebtDiscountPremium     1,029us-gaap_AmortizationOfDebtDiscountPremium 26,500us-gaap_AmortizationOfDebtDiscountPremium 41,526us-gaap_AmortizationOfDebtDiscountPremium 24,271us-gaap_AmortizationOfDebtDiscountPremium 17,663us-gaap_AmortizationOfDebtDiscountPremium 46,071us-gaap_AmortizationOfDebtDiscountPremium 24,195us-gaap_AmortizationOfDebtDiscountPremium 401,888us-gaap_AmortizationOfDebtDiscountPremium
Reclass of derivative to APIC             19,380exsl_ReclassificationofDerivativeLiabilitytoAdditionalPaidInCapital       (35,374)exsl_ReclassificationofDerivativeLiabilitytoAdditionalPaidInCapital
Gain in change in fair value of the derivative             107,289us-gaap_DerivativeGainOnDerivative       672,095us-gaap_DerivativeGainOnDerivative
Gain on write-off of derivative due to debt forgiven                     $ (653,253)exsl_GainOnWriteoffOfDerivativeDueToDebtForgiven