Note 8 - Investment Properties - Investment Properties 2 (Details)	Jun. 30, 2024 USD ($)	Jun. 30, 2024 CNY (¥)	Jun. 30, 2023 USD ($)	Jun. 30, 2023 CNY (¥)	Jun. 30, 2008 USD ($)	Jun. 30, 2008 CNY (¥)
Purchase of rental property – Property I – MaoYe Property	$ 894,000	¥ 5,554,000	$ 894,000	¥ 5,554,000
Currency translation	201,000	0	199,000	0
Reclassification as “Assets held for sale”	(807,000)	(5,554,000)	(807,000)	(5,554,000)
Reclassification from “Assets held for sale”	301,000	2,024,000	301,000	2,024,000
Currency translation	(201,000)	0	(199,000)	0
Gross investment in rental property	1,328,000	9,649,000	1,330,000	9,649,000
Accumulated Depreciation On Rental Property	(1,188,000)	(8,487,000)	(1,123,000)	(7,884,000)
Reclassification From Assets	(921,000)	(6,694,000)	(856,000)	(6,091,000)
Net investment in property – China	407,000	2,955,000	474,000	3,558,000
Mao Ye [Member]
Purchase of rental property – Property I – MaoYe Property					$ 894,000	¥ 5,554,000
Currency translation	(87,000)	0	(87,000)	0
Reclassification as “Assets held for sale”	410,000	2,822,000	410,000	2,822,000
Reclassification from “Assets held for sale”	(143)	(1,029)	(143,000)	(1,029,000)
Currency translation	87,000	(0)	87,000	(0)
Jiang Huai [Member]
Purchase of rental property – Property I – MaoYe Property	580,000	3,600,000	580,000	3,600,000
Net investment in property – China		990,000
FuLi [Member]
Purchase of rental property – Property I – MaoYe Property	$ 648,000	¥ 4,025,000	$ 648,000	¥ 4,025,000