Annual report pursuant to Section 13 and 15(d)

NOTE 18: - ACQUISITION OF UEC ELECTRONICS, LLC (Details)

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NOTE 18: - ACQUISITION OF UEC ELECTRONICS, LLC (Details) (USD $)
12 Months Ended 0 Months Ended 1 Months Ended 9 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Apr. 01, 2014
Apr. 30, 2014
Dec. 31, 2014
NOTE 18: - ACQUISITION OF UEC ELECTRONICS, LLC (Details) [Line Items]          
Business Combination, Contingent Consideration, Liability, Current $ 2,500,000us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent $ 0us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent     $ 2,500,000us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent
Revenues 103,562,349us-gaap_Revenues 88,571,428us-gaap_Revenues      
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest 4,510,798us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 3,326,690us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments      
UEC Electronics, LLC Acquisition [Member]          
NOTE 18: - ACQUISITION OF UEC ELECTRONICS, LLC (Details) [Line Items]          
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High       5,500,000us-gaap_BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
 
Business Combination, Assets and Liabilities Arising from Contingencies, Amount Recognized, Net       4,500,000us-gaap_BusinessCombinationAssetsAndLiabilitiesArisingFromContingenciesAmountRecognized
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
 
Business Combination, Contingent Consideration, Liability, Current 2,500,000us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
    2,200,000us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
2,500,000us-gaap_BusinessCombinationContingentConsiderationLiabilityCurrent
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Business Combination, Contingent Consideration, Liability, Noncurrent 0us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
    2,300,000us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
0us-gaap_BusinessCombinationContingentConsiderationLiabilityNoncurrent
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Revenues         27,200,000us-gaap_Revenues
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest         5,000,000us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Business Combination, Consideration Transferred       37,900,000us-gaap_BusinessCombinationConsiderationTransferred1
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
 
Payments to Acquire Businesses, Gross     28,000,000us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
29,206,245us-gaap_PaymentsToAcquireBusinessesGross
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
 
Business Acquisition, Equity Interest Issued or Issuable, Number of Shares (in Shares)       775,000us-gaap_BusinessAcquisitionEquityInterestsIssuedOrIssuableNumberOfSharesIssued
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
 
Business Combination, Consideration Transferred, Equity Interests Issued and Issuable       4,216,000us-gaap_BusinessCombinationConsiderationTransferredEquityInterestsIssuedAndIssuable
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
 
Business Combination, Contingent Consideration, Liability       4,500,000us-gaap_BusinessCombinationContingentConsiderationLiability
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
 
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill       13,100,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
 
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life       5 years  
Business Combination, Acquisition Related Costs       $ 813,000us-gaap_BusinessCombinationAcquisitionRelatedCosts
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember