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Note 6 - Stock Option Plan - Compensation Expense Related to Restricted Stock (Details) (Employee Stock Option [Member], USD $)
6 Months Ended
Mar. 31, 2015
Fiscal Year 2012 Grant [Member]
 
Compensation Expense $ 16,522us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= aey_FiscalYear2012GrantMember
Fiscal Year 2014 Grant [Member]
 
Compensation Expense $ 54,312us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= us-gaap_EmployeeStockOptionMember
/ us-gaap_PlanNameAxis
= aey_FiscalYear2014GrantMember