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COMMITMENTS AND CONTIGENT LIABILITIES (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Future minimum commitments under operating lease agreements:      
2015 $ 1,414us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent    
2016 1,139us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears    
2017 1,042us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears    
2018 543us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears    
2019 and after 177attuf_OperatingLeasesFutureMinimumPaymentsDueInFiveYearsAndThereafter    
Operating leases, future minimum payments due, total 4,315us-gaap_OperatingLeasesFutureMinimumPaymentsDue    
Sublease income 0us-gaap_OperatingLeasesRentExpenseSubleaseRentals1 0us-gaap_OperatingLeasesRentExpenseSubleaseRentals1 30us-gaap_OperatingLeasesRentExpenseSubleaseRentals1
Rent expense, net $ 1,146us-gaap_OperatingLeasesRentExpenseNet $ 850us-gaap_OperatingLeasesRentExpenseNet $ 663us-gaap_OperatingLeasesRentExpenseNet