Note 7 - Investment Property - Investment Properties (Details) ¥ in Thousands, $ in Thousands	Sep. 30, 2021 USD ($)	Sep. 30, 2021 CNY (¥)	Jun. 30, 2021 USD ($)	Jun. 30, 2021 CNY (¥)	Mar. 31, 2008 USD ($)	Mar. 31, 2008 CNY (¥)
Purchase of rental property – Property I – MaoYe Property	$ 894	¥ 5,554	$ 894	¥ 5,554
Currency translation	38	0	36	0
Reclassification as “Assets held for sale”	(807)	(5,554)	(807)	(5,554)
Reclassification from “Assets held for sale”	301	2,024	301	2,024
Currency translation	(38)	0	(36)	0
Gross investment in rental property	1,491	9,649	1,493	9,649
Accumulated depreciation on rental property	(1,097)	(7,161)	(1,079)	(7,040)
Reclassification From Assets	(830)	(5,368)	(812)	(5,247)
Net investment in properties – China	661	4,281	681	4,402
Mao Ye [Member]
Purchase of rental property – Property I – MaoYe Property					$ 5,554	¥ 894
Currency translation	(87)	0	(87)	0
Reclassification as “Assets held for sale”	410	2,822	410	2,822
Reclassification from “Assets held for sale”	(143)	(1,029)	(143)	(1,029)
Currency translation	87	(0)	87	(0)
Jiang Huai [Member]
Purchase of rental property – Property I – MaoYe Property	580	3,600	580	3,600
FuLi [Member]
Purchase of rental property – Property I – MaoYe Property	$ 648	¥ 4,025	$ 648	¥ 4,025