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Acquisitions (Details 4) (Advanced Mobile [Member], USD $)
In Thousands, unless otherwise specified
Oct. 31, 2013
Consideration transferred $ 3,395us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
Cash [Member]  
Consideration transferred 2,570us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ us-gaap_BusinessAcquisitionAxis
= abtl_AdvancedMobileMember
/ us-gaap_NatureOfExpenseAxis
= us-gaap_CashMember
Working Capital [Member]  
Consideration transferred 70us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ us-gaap_BusinessAcquisitionAxis
= abtl_AdvancedMobileMember
/ us-gaap_NatureOfExpenseAxis
= abtl_WorkingCapitalMember
Contingent Consideration [Member]  
Consideration transferred $ 825us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
/ us-gaap_BusinessAcquisitionAxis
= abtl_AdvancedMobileMember
/ us-gaap_NatureOfExpenseAxis
= us-gaap_ContingentConsiderationClassifiedAsEquityMember