v3.26.1
LONG-TERM INVESTMENTS AND EQUITY METHOD INVESTMENT - Equity securities without readily determinable fair value - (Details)
1 Months Ended 12 Months Ended
Sep. 30, 2023
USD ($)
Nov. 30, 2021
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Aug. 31, 2021
USD ($)
Aug. 31, 2021
CNY (¥)
Apr. 30, 2021
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Apr. 30, 2021
CNY (¥)
Oct. 31, 2017
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Oct. 31, 2017
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Dec. 31, 2025
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Dec. 31, 2024
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Dec. 31, 2023
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Dec. 31, 2022
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Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Equity securities without readily determinable fair value                 $ 3,193,049 $ 3,248,427    
Payment for longterm investments                 0   $ 500,000  
Fortune Rise Acquisition Corporation ("FRLAU")                        
Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Equity securities without readily determinable fair value                 0 200,237    
Percentage of equity interest acquired   0.80%                    
Payment for longterm investments   $ 201,248                    
Provision for impairment of investments                 200,237      
Fortune Rise Acquisition Corporation ("FRLAU") | Founder Share                        
Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Number of shares acquired | shares   122,000                    
Number of shares held, after sale | shares                       98,800
Fortune Rise Acquisition Corporation ("FRLAU") | Private Shares                        
Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Number of shares acquired | shares   20,000                    
Fortune Rise Acquisition Corporation ("FRLAU") | Representative Shares                        
Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Number of shares acquired | shares   60,000                    
Shenzhen Guru Club Information Technology Group Co., LTD. ("Guru")                        
Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Equity securities without readily determinable fair value                 1,447,876 1,369,994    
Percentage of equity interest acquired             1.00% 1.00%        
Payment for longterm investments             $ 1,536,972 ¥ 10,000,000        
Change of fair value                 0 0    
Shanghai Realize Investment Consulting Co., Ltd. ("Realize")                        
Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Equity securities without readily determinable fair value                 868,725 821,997    
Percentage of equity interest acquired     1.50% 1.50%                
Payment for longterm investments     $ 926,183 ¥ 6,000,000                
Change of fair value                 0 0    
Shanghai Yisong Consulting Management Co., LTD ("Yisong")                        
Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Equity securities without readily determinable fair value                 376,448 356,199    
Percentage of equity interest acquired         5.00% 5.00%            
Payment for longterm investments         $ 400,962 ¥ 2,600,000            
Change of fair value                 0 0    
Mainnet Group Holdings ("Mainnet")                        
Equity Securities Without Readily Determinable Fair Value [Line Items]                        
Equity securities without readily determinable fair value                 500,000 500,000    
Percentage of equity interest acquired 2.00%                      
Payment for longterm investments $ 500,000                      
Change of fair value                 $ 0 $ 0