v3.26.3
Summary of Significant Accounting Policies (Details)
12 Months Ended
Jun. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Jun. 30, 2026
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2026
CNY (¥)
Dec. 09, 2025
USD ($)
May 01, 2015
USD ($)
May 01, 2015
CNY (¥)
Summary of Significant Accounting Policies [Line Items]                  
Cash balances $ 73,412   $ 73,412     ¥ 500,000      
Convertible bond investment 4,652,250   4,652,250          
Advances received 667,566   667,566 537,646          
Uncertain tax positions          
Value added tax percentage     6.00%            
Change in fair value of warrant liability     (6,761,462)        
Compensation limit amount               $ 73,412 ¥ 500,000
Accrued interest receivable 152,250   152,250            
Expenses incurred for plan     75,348 99,413 $ 94,963        
Impairment of digital assets     1,500,000            
Impairment loss 600,000 $ 900,000 $ 1,500,000            
Intangible Asset, Excluding Goodwill, Indefinite-Lived, Impairment Loss, Statement of Income or Comprehensive Income [Extensible Enumeration]     Finite-Lived Intangible Assets, Net            
Warrant Liability [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Change in fair value of warrant liability     $ 6,760,000          
Convertible Bond [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Convertible bond investment 4,500,000   4,500,000            
Expected credit loss              
Amortized cost     $ 4,652,250            
Unsecured Convertible Promissory Note [Member]                  
Summary of Significant Accounting Policies [Line Items]                  
Original principal amount             $ 4,500,000    
Bears interest rate             6.00%