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WARRANTS (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Warrants Details    
Risk-free interest rate 1.57%us-gaap_FairValueAssumptionsRiskFreeInterestRate 0.65%us-gaap_FairValueAssumptionsRiskFreeInterestRate
Risk-free interest rate, maximum 1.77%ecte_FairValueAssumptionsRiskFreeInterestRateMax 1.85%ecte_FairValueAssumptionsRiskFreeInterestRateMax
Expected term (contractual term) 5 years 0 years 0 months 22 days
Expected term (contractual term), maximum 5 years 5 years
Expected volatility 78.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate 122.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate
Expected volatility, maximum 102.00%ecte_FairValueAssumptionsExpectedVolatilityRateMax 123.00%ecte_FairValueAssumptionsExpectedVolatilityRateMax