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EQUITY COMPENSATION PLANS (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Shares Available For Issuance    
Add back options cancelled before exercise (1,078,482)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod  
Outstanding Options and Restricted Stock    
Ending Balance   61,485ecte_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber1
Plan2003Member    
Shares Available For Issuance    
Total reserved for stock options and restricted stock 160,000us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Net restricted stock issued net of cancellations (5,000)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Stock options granted (154,449)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Add back options cancelled before exercise 82,349us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Options cancelled by plan vote (82,900)ecte_OptionsCancelledByPlanVote
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Remaining shares available for future grants     
Outstanding Options and Restricted Stock    
Total granted 154,449us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Options cancelled (82,349)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationForfeited
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Options exercised (35,600)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Net shares outstanding before restricted stock 36,500ecte_NetSharesOutstandingBeforeRestrictedStock
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Net restricted stock issued net of cancellations 5,000us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Ending Balance 41,500ecte_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber1
/ us-gaap_PlanNameAxis
= ecte_Plan2003Member
 
Plan2008Member    
Shares Available For Issuance    
Total reserved for stock options and restricted stock 10,000,000us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardGross
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Net restricted stock issued net of cancellations (36,473)us-gaap_StockIssuedDuringPeriodValueRestrictedStockAwardForfeitures
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Stock options granted (2,175,883)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Add back options cancelled before exercise (1,214,483)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Options cancelled by plan vote     
Remaining shares available for future grants 9,002,127ecte_RemainingSharesAvailableForFutureGrants
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Outstanding Options and Restricted Stock    
Total granted 2,175,883us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Options cancelled (1,214,483)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationForfeited
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Options exercised (13,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Net shares outstanding before restricted stock 948,400ecte_NetSharesOutstandingBeforeRestrictedStock
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Net restricted stock issued net of cancellations 36,473us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
Ending Balance 984,873ecte_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber1
/ us-gaap_PlanNameAxis
= ecte_Plan2008Member
 
NotPursuanttoaPlanMember    
Outstanding Options and Restricted Stock    
Total granted 310,000us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationGross
/ us-gaap_PlanNameAxis
= ecte_NotPursuanttoaPlanMember
 
Options cancelled (188,333)us-gaap_StockGrantedDuringPeriodValueSharebasedCompensationForfeited
/ us-gaap_PlanNameAxis
= ecte_NotPursuanttoaPlanMember
 
Options exercised (66,667)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised
/ us-gaap_PlanNameAxis
= ecte_NotPursuanttoaPlanMember
 
Net shares outstanding before restricted stock 55,000ecte_NetSharesOutstandingBeforeRestrictedStock
/ us-gaap_PlanNameAxis
= ecte_NotPursuanttoaPlanMember
 
Net restricted stock issued net of cancellations 6,485us-gaap_StockIssuedDuringPeriodSharesRestrictedStockAwardForfeited
/ us-gaap_PlanNameAxis
= ecte_NotPursuanttoaPlanMember