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Note 8 - Long-term Investments (Details Textual) | Jun. 30, 2022
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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%
Global Best Products [Member] |
Equity Securities without Readily Determinable Fair Value, Percent | 9.09%
Guangzhou Gong Xiang Technology Co. [Member] |
Equity Securities without Readily Determinable Fair Value, Percent | 15.00%
Xiao Peng Education [Member] |
Equity Securities without Readily Determinable Fair Value, Percent | 17.00%
Business Opportunity Chain [Member] |
Equity Securities without Readily Determinable Fair Value, Percent | 19.00%

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- Definition Percentage of investment in equity security without readily determinable fair value. + References No definition available. + Details
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