Note 8 - Long-term Investments (Details Textual)	Mar. 31, 2023	Sep. 30, 2022	Aug. 31, 2022
New Business Holdings Limited [Member]
Equity Securities without Readily Determinable Fair Value, Percent	15.38%
Guang Dong WeFriend Co., Ltd [Member]
Equity Securities without Readily Determinable Fair Value, Percent	10.00%
Guangdong Yong Fu Xiang Health Management Co., Ltd (Yong Fu Xiang) [Member]
Equity Securities without Readily Determinable Fair Value, Percent	9.90%		9.90%
Guangzhou Yuan Qi Man Man Technology Co., Ltd. (Yuan Qi Man Man) [Member]
Equity Securities without Readily Determinable Fair Value, Percent	9.00%	9.00%
Business Opportunity Chain [Member]
Equity Securities without Readily Determinable Fair Value, Percent	19.00%