Note 7 - Investment Properties (Details Textual) ¥ in Thousands, $ in Thousands			1 Months Ended	3 Months Ended		12 Months Ended
	Feb. 01, 2023 USD ($)	Feb. 01, 2023 CNY (¥)	Aug. 31, 2022 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Jun. 30, 2010 USD ($)	Jun. 30, 2010 CNY (¥)	Sep. 30, 2023 CNY (¥)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 CNY (¥)	Mar. 31, 2010 USD ($) m²	Mar. 31, 2010 CNY (¥) m²	Jun. 30, 2008 USD ($)	Jun. 30, 2008 CNY (¥)
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land				$ 894				¥ 5,554	$ 894	¥ 5,554
TTCQ [Member]
Lease, Operating Lease, Number of Properties											2	2
Area of Real Estate Property (Square Metre) | m²											311.99	311.99
Purchase Obligation, Total											$ 648	¥ 4,025
Mao Ye [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land													$ 894	¥ 5,554
Monthly Lease Revenue Amount	$ 2	¥ 14
Operating Lease, Lease Income				6	$ 6
Depreciation				4	4
Jiang Huai [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land				580				3,600	580	3,600
Operating Lease, Lease Income				0	0
Depreciation				6	7
Payments to Acquire Projects						$ 580	¥ 3,600
FuLi [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation, Initial Cost of Land				648				¥ 4,025	$ 648	¥ 4,025
Monthly Lease Revenue Amount			$ 1
Operating Lease, Lease Income					2
Depreciation				7	7
CHINA
Operating Lease, Lease Income				7	8
Depreciation				$ 17	$ 18