Annual report pursuant to Section 13 and 15(d)

NOTE 16: - SEGMENT INFORMATION (Details)

v2.4.1.9
NOTE 16: - SEGMENT INFORMATION (Details)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
NOTE 16: - SEGMENT INFORMATION (Details) [Line Items]    
Number of Operating Segments 2us-gaap_NumberOfOperatingSegments  
United States Military [Member] | Sales Revenue, Net [Member] | Customer Concentration Risk [Member]    
NOTE 16: - SEGMENT INFORMATION (Details) [Line Items]    
Concentration Risk, Percentage 56.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= artx_UnitedStatesMilitaryMember
55.00%us-gaap_ConcentrationRiskPercentage1
/ us-gaap_ConcentrationRiskByBenchmarkAxis
= us-gaap_SalesRevenueNetMember
/ us-gaap_ConcentrationRiskByTypeAxis
= us-gaap_CustomerConcentrationRiskMember
/ us-gaap_MajorCustomersAxis
= artx_UnitedStatesMilitaryMember