XML 44 R53.htm IDEA: XBRL DOCUMENT v2.4.1.9
INCOME TAXES (Narrative) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Income Tax [Line Items]      
Statutory tax rate 26.50%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 25.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 25.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
Operating loss carryforwards $ 41,600us-gaap_OperatingLossCarryforwards    
Uncertain tax position, interest expense 10attuf_InterestExpenseUncertainTaxPositions 26attuf_InterestExpenseUncertainTaxPositions  
2010 [Member]      
Income Tax [Line Items]      
Accrued interest liability related to uncertain tax positions $ 39attuf_AccruedInterestUncertainTaxPositions
/ us-gaap_TaxPeriodAxis
= us-gaap_TaxYear2010Member
$ 48attuf_AccruedInterestUncertainTaxPositions
/ us-gaap_TaxPeriodAxis
= us-gaap_TaxYear2010Member
 
Foreign Tax Authority [Member]      
Income Tax [Line Items]      
Net operating losses, carryforward expiration dates Dec. 31, 2021