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Note 5 - Revenue Recognition (Tables)

6 Months Ended

Mar. 31, 2025

Notes Tables

Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block]

Description		Balance at Beginning of Year				Addition to the Deferral				Recognition from Deferral				Balance at End of Year
As of March 31, 2025
Total deferred revenues		$	24,596			$	15,893			$	(22,416	)		$	18,073
As of March 31, 2024
Total deferred revenues		$	26,539			$	17,945			$	(22,106	)		$	22,378

X

- Definition

Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 606
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-10

+ Details

Name:	us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_TableTextBlock
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration