Annual report pursuant to Section 13 and 15(d)

NOTE 18: - ACQUISITION OF UEC ELECTRONICS, LLC (Details) - Schedule of Business Acquisitions, by Acquisition

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NOTE 18: - ACQUISITION OF UEC ELECTRONICS, LLC (Details) - Schedule of Business Acquisitions, by Acquisition (USD $)
Dec. 31, 2014
Dec. 31, 2013
Apr. 30, 2014
Tangible assets acquired:      
Goodwill (intangibles that did not qualify for separate recognition) $ 45,422,219us-gaap_Goodwill $ 31,024,754us-gaap_Goodwill  
Customer Relationships [Member] | UEC Electronics, LLC Acquisition [Member]      
Tangible assets acquired:      
Intangible assets     7,400,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_CustomerRelationshipsMember
Contract-Based Intangible Assets [Member] | UEC Electronics, LLC Acquisition [Member]      
Tangible assets acquired:      
Intangible assets     2,100,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_ContractBasedIntangibleAssetsMember
Technology-Based Intangible Assets [Member] | UEC Electronics, LLC Acquisition [Member]      
Tangible assets acquired:      
Intangible assets     3,200,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_TechnologyBasedIntangibleAssetsMember
Noncompete Agreements [Member] | UEC Electronics, LLC Acquisition [Member]      
Tangible assets acquired:      
Intangible assets     400,000us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
/ us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis
= us-gaap_NoncompeteAgreementsMember
UEC Electronics, LLC Acquisition [Member]      
Tangible assets acquired:      
Cash:     92,590us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Accounts receivable and unbilled revenues     12,513,805us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Other current assets     854,776us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Property and equipment, net     1,010,321us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Goodwill (intangibles that did not qualify for separate recognition)     15,105,680us-gaap_Goodwill
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Total asset value     42,677,172us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Less: liabilities assumed     (4,754,927)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember
Net fair value of assets acquired     $ 37,922,245us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet
/ us-gaap_BusinessAcquisitionAxis
= artx_UECElectroncisLLCAcquisitionMember