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Note 7 - Investment Properties (Details Textual) ¥ in Thousands, $ in Thousands				1 Months Ended	12 Months Ended
	Oct. 10, 2024 USD ($)	Feb. 01, 2023 USD ($)	Feb. 01, 2023 CNY (¥)	Jul. 31, 2024 CNY (¥)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2010 CNY (¥)	Jun. 30, 2024 CNY (¥)
Mao Ye [Member]
Monthly Lease Revenue Amount		$ 2	¥ 15
Operating Lease, Lease Income					$ 25	$ 25
Depreciation					14	14
Real Estate Investments, Net					40	53
Jiang Huai [Member]
Operating Lease, Lease Income					2	0
Depreciation					25	25
Payments to Acquire Projects				¥ 3,600			$ 580	¥ 3,600
Real Estate Investments, Net					113	137			¥ 990
FuLi [Member]
Monthly Lease Revenue Amount	$ 1
Operating Lease, Lease Income					9	1
Depreciation					28	28
Real Estate Investments, Net					192	217
CHINA
Operating Lease, Lease Income					36	26
Depreciation					$ 67	$ 67
Operating Lease, Lease Income, Statement of Income or Comprehensive Income [Extensible Enumeration]					Other Nonoperating Income (Expense)	Other Nonoperating Income (Expense)

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

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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The cash outflow from the amount invested for projects in hopes of getting a future return or interest from it.

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