Annual report pursuant to Section 13 and 15(d)

NOTE 13: - STOCKHOLDERS' EQUITY (Details)

v2.4.1.9
NOTE 13: - STOCKHOLDERS' EQUITY (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
NOTE 13: - STOCKHOLDERS' EQUITY (Details) [Line Items]    
Share-based Compensation (in Dollars) $ 1,411,970us-gaap_ShareBasedCompensation $ 437,306us-gaap_ShareBasedCompensation
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized (in Dollars) $ 708,057us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 1 year  
Employee Stock Option [Member] | Minimum [Member]    
NOTE 13: - STOCKHOLDERS' EQUITY (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 1 year  
Employee Stock Option [Member] | Maximum [Member]    
NOTE 13: - STOCKHOLDERS' EQUITY (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years  
2007 Non-Employee Director Equity Compensation Plan [Member]    
NOTE 13: - STOCKHOLDERS' EQUITY (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 750,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= artx_NonEmployee2007DirectorEquityCompensationPlanMember
 
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 344,050us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= artx_NonEmployee2007DirectorEquityCompensationPlanMember
 
2009 Equity Incentive Plan [Member]    
NOTE 13: - STOCKHOLDERS' EQUITY (Details) [Line Items]    
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 5,000,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
/ us-gaap_PlanNameAxis
= artx_Equity2009IncentivePlanMember
 
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant 2,641,568us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
/ us-gaap_PlanNameAxis
= artx_Equity2009IncentivePlanMember