Represents the maximum requirement of fixed charge leverage ratio.

No definition available.

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Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Represents the number of term loans outstanding.

+ References

No definition available.

+ Details

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Namespace Prefix:	aey_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of qualified accounts receivable used in determination of maximum borrowing capacity of line of credit.

+ References

No definition available.

+ Details

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Namespace Prefix:	aey_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage of qualified inventory used in determination of maximum borrowing capacity of line of credit.

+ References

No definition available.

+ Details

Name:	aey_PercentageOfQualifiedInventoryUsedInDeterminationOfMaximumBorrowingCapacityOfLineOfCredit
Namespace Prefix:	aey_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 6
-Subparagraph (a)
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Amount of the required periodic payments including both interest and principal payments.

+ References

+ Details

Name:	us-gaap_DebtInstrumentPeriodicPayment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Amount of the required periodic payments applied to principal.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Gross amount of debt extinguished.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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-SubTopic 10
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Fair value of the amount outstanding under the credit facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-URI http://asc.fasb.org/extlink&oid=118260190&loc=d3e13433-108611

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Balance Type:	credit
Period Type:	instant

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of loans payable (with maturities initially due after one year or beyond the operating cycle if longer).

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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Note 9 - Notes Payable and Line of Credit (Details Textual)	1 Months Ended	6 Months Ended	12 Months Ended
	Nov. 30, 2018 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Oct. 31, 2018 USD ($)
Number of Term Loans Outstanding		2
Term Loan [Member]
Extinguishment of Debt, Amount	$ 2,100,000
Credit and Term Loan Agreement [Member]
Fixed Charge Leverage Ratio, Maximum Requirement		2.5
Credit and Term Loan Agreement [Member] \| Term Loan 1 [Member]
Debt Instrument, Interest Rate, Effective Percentage				3.66%
Loans Payable, Total		$ 600,000
Debt Instrument, Periodic Payment, Principal		15,334
Credit and Term Loan Agreement [Member] \| Term Loan 2 [Member]
Loans Payable, Total		1,500,000
Debt Instrument, Periodic Payment, Total		$ 118,809
Debt Instrument, Interest Rate, Stated Percentage		4.40%
Credit and Term Loan Agreement [Member] \| London Interbank Offered Rate (LIBOR) [Member] \| Term Loan 1 [Member]
Debt Instrument, Basis Spread on Variable Rate		1.40%
Revolving Credit Facility [Member] \| New Credit Agreement [Member]
Line of Credit Facility, Maximum Borrowing Capacity			$ 2,500,000
Debt Instrument, Interest Rate, Effective Percentage		6.25%
Fixed Charge Leverage Ratio, Maximum Requirement			1.25
Long-term Line of Credit, Total		$ 750,000
Percentage of Qualified Accounts Receivable Used in Determination of Maximum Borrowing Capacity of Line of Credit			80.00%
Percentage of Qualified Inventory Used in Determination of Maximum Borrowing Capacity of Line of Credit			25.00%
Line of Credit Facility, Current Borrowing Capacity		$ 2,500,000
Revolving Credit Facility [Member] \| New Credit Agreement [Member] \| Prime Rate [Member]
Debt Instrument, Basis Spread on Variable Rate			0.75%
Revolving Credit Facility [Member] \| Credit and Term Loan Agreement [Member]
Line of Credit Facility, Fair Value of Amount Outstanding				$ 500,000