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Note 7 - Investment Properties (Details Textual) ¥ in Thousands											3 Months Ended
	Oct. 30, 2025 USD ($)	Oct. 30, 2025 CNY (¥)	Sep. 17, 2025 USD ($)	Sep. 17, 2025 CNY (¥)	Jan. 01, 2025 USD ($)	Jan. 01, 2025 CNY (¥)	Oct. 10, 2024 USD ($)	Oct. 10, 2024 CNY (¥)	Feb. 01, 2023 USD ($)	Feb. 01, 2023 CNY (¥)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)
Mao Ye [Member]
Operating Lease, Lease Income											$ 6,000	$ 6,000
Monthly Lease Revenue Amount									$ 1,000	¥ 15
Depreciation											4,000	4,000
Jiang Huai [Member]
Operating Lease, Lease Income											1,000	0
Monthly Lease Revenue Amount			$ 300	¥ 2	$ 300	¥ 2
Depreciation											6,000	6,000
Jiang Huai [Member] | Subsequent Event [Member]
Monthly Lease Revenue Amount	$ 300	¥ 2
FuLi [Member]
Operating Lease, Lease Income											3,000	0
Monthly Lease Revenue Amount							$ 1,000	¥ 9
Depreciation											7,000	7,000
CHINA
Operating Lease, Lease Income											10,000	6,000
Depreciation											$ 17,000	$ 17,000

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- Definition

The monthly lease amount recognized as rental income during the period.

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