Note 18 - Commitments and Contingencies (Details Textual) ¥ in Thousands, $ in Thousands	Jun. 30, 2023 USD ($)	Jun. 30, 2023 CNY (¥)	Dec. 31, 2022 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2022 CNY (¥)	Aug. 31, 2022 USD ($)	Aug. 31, 2022 CNY (¥)
Equity Securities without Readily Determinable Fair Value, Amount	$ 1,000		$ 1,596
Guangdong Yong Fu Xiang Health Management Co., Ltd (Yong Fu Xiang) [Member]
Equity Securities without Readily Determinable Fair Value, Percent	9.90%	9.90%				9.90%	9.90%
Equity Securities without Readily Determinable Fair Value, Amount						$ 930	¥ 6,730
Guangzhou Yuan Qi Man Man Technology Co., Ltd. (Yuan Qi Man Man) [Member]
Equity Securities without Readily Determinable Fair Value, Percent	9.90%	9.90%		9.00%	9.00%
Equity Securities without Readily Determinable Fair Value, Amount	$ 140	¥ 990		$ 10	¥ 90