Note 10 - Other Assets - Down Payment for Purchase of Investment Properties (Details) ¥ in Thousands, $ in Thousands	Jun. 30, 2024 CNY (¥)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 CNY (¥)	Oct. 02, 2013 USD ($)	Oct. 02, 2013 CNY (¥)	Dec. 02, 2010 USD ($)	Dec. 02, 2010 CNY (¥)
Original Investment (10% of Junzhou equity)	¥ 10,000	$ 1,606
Less: Management Fee	(5,000)	(803)					¥ (5,000)
Net Investment	5,000	803		$ 803	¥ 5,000
Less: Share of Loss on Joint Venture	(137)	(22)				$ 22	¥ 137
Net Investment as Down Payment (Note *a)	4,863	781
Loans Receivable	5,000	689	¥ 5,000
Interest Receivable	1,250	172	1,250
Less: Impairment of Interest	(906)	(125)	¥ (906)
Transferred to Down Payment (Note *b)	5,344	736
* Down Payment for Purchase of Investment Properties	10,207	1,517
Add: Effect of foreign currency exchange	0	63
Less: Provision of Impairment loss on other assets	¥ (10,207)	$ (1,580)