Restricted net assets (Details Narrative) - USD ($) $ in Thousands	6 Months Ended
Mar. 31, 2026	Sep. 30, 2025
Receivables [Abstract]
General reserve percentage	10.00%
Registered capital percentage	50.00%
Net assets	$ 743	$ 712

Amount of net assets (liabilities).

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 205
-SubTopic 30
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479938/205-30-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 205
-SubTopic 30
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479910/205-30-50-1

Name:	us-gaap_AssetsNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant