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DEFERRED REVENUE (Details Narrative) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2025	Mar. 31, 2024	Sep. 30, 2024	Sep. 30, 2023
Deferred Revenue
Deferred revenue recognized			$ 310,450	$ 329,020	$ 403,440	$ 454,016
Additional deferred revenue accrued	$ 368,925	$ 407,324	711,549	760,823	1,416,733	1,504,966
Revenue released from deferred revenue	$ 341,906	$ 365,772	$ 696,549	$ 731,184	$ 1,440,096	$ 1,555,542

X

- Definition

Contract with customer liability deferred revenue accrued.

+ References

No definition available.

+ Details

Name:	ATHR_ContractWithCustomerLiabilityDeferredRevenueAccrued
Namespace Prefix:	ATHR_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	ATHR_DisclosureDeferredRevenueAbstract
Namespace Prefix:	ATHR_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Revenue released from deferred revenue.

+ References

No definition available.

+ Details

Name:	ATHR_RevenueReleasedFromDeferredRevenue
Namespace Prefix:	ATHR_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 8
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-8

+ Details

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