Note 8 - Long-term Debt Obligation (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
Sep. 30, 2013
Note 8 - Long-term Debt Obligation (Details) [Line Items]
Line of Credit Facility, Current Borrowing Capacity (in Dollars)	$ 50
LineOfCreditFacilityAdditionalBorrowingCapacity (in Dollars)	50
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	$ 100
Guarantor Obligations Number of Domestic Subsidiaries	5
LIBOR Minimum Spread [Member]
Note 8 - Long-term Debt Obligation (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	1.00%
LIBOR Maximum Spread [Member]
Note 8 - Long-term Debt Obligation (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	2.00%
Prime Rate Minimum Spread [Member]
Note 8 - Long-term Debt Obligation (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.00%
Prime Rate Maximum Spread [Member]
Note 8 - Long-term Debt Obligation (Details) [Line Items]
Debt Instrument, Basis Spread on Variable Rate	0.75%
Minimum Commitment Fee [Member]
Note 8 - Long-term Debt Obligation (Details) [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.10%
Maximum Commitment Fee [Member]
Note 8 - Long-term Debt Obligation (Details) [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage	0.40%

The number of the company's domestic subsidiaries which guarantees the company's indebtedness and obligations.

No definition available.

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

- Definition

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

+ References

No definition available.

+ Details

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Namespace Prefix:	anen_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

Name:	anen_Note8LongtermDebtObligationDetailsLineItems
Namespace Prefix:	anen_
Data Type:	xbrli:stringItemType
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Period Type:	duration

- 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

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

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.19(b),22(b))

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 19, 22

-Article 5

+ Details

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

- Definition

The fee, expressed as a percentage of the line of credit facility, for available but unused credit capacity under the credit facility.

+ References

No definition available.

+ Details

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