v3.26.1
Subsequent events (Details)
Jun. 28, 2026
USD ($)
D
$ / shares
shares
Jun. 11, 2026
USD ($)
$ / shares
shares
Apr. 16, 2026
USD ($)
$ / shares
Dec. 31, 2025
$ / shares
Jul. 25, 2025
$ / shares
Jul. 24, 2025
$ / shares
Jun. 30, 2025
$ / shares
May 23, 2023
$ / shares
Jun. 30, 2022
$ / shares
Subsequent events                  
Par value per share | $ / shares         $ 0.000001 $ 0.3   $ 0.3 $ 0.01
Class B Ordinary Share                  
Subsequent events                  
Par value per share | $ / shares       $ 0.00006     $ 0.00006    
Subsequent Events | Debt Settlement and Mutual Release Agreement | Jinghai Jiang                  
Subsequent events                  
Value of shares issued for service   $ 100,000              
Share price | $ / shares   $ 1.78              
Subsequent Events | Debt Settlement and Mutual Release Agreement | Jinghai Jiang | Class B Ordinary Share                  
Subsequent events                  
Number of equity shares issued | shares   56,180              
Par value per share | $ / shares   $ 0.00006              
Subsequent Events | Asset Purchase Agreement | PT Mitra Manunggal Sangkara                  
Subsequent events                  
Par value per share | $ / shares $ 0.00006                
Purchase price of AI servers $ 1,000,000                
Issuance of pre-funded warrants $ 10,000,000                
Warrants to purchase ordinary shares | shares 6,457,863                
Subsequent Events | Convertible debt issued on April 16, 2026                  
Subsequent events                  
Proceeds from convertible debt     $ 500,000            
Conversion price (in dollars per share) | $ / shares     $ 2.76            
Subsequent Events | Senior convertible notes (the "2026 Notes") | Asset Purchase Agreement                  
Subsequent events                  
Conversion price (in dollars per share) | $ / shares $ 1.63                
Purchase price percentage of par value 93.00%                
Interest rate 8.25%                
Conversion percentage of lowest volumeweighted average price 92.00%                
Number of consecutive trading days | D 10                
Subsequent Events | Senior convertible notes (the "2026 Notes") | Asset Purchase Agreement | Event of default                  
Subsequent events                  
Interest rate 13.25%                
Subsequent Events | 2026 Notes (Initial Closing) | Asset Purchase Agreement                  
Subsequent events                  
Aggregate principal amount $ 2,000,000                
Subsequent Events | 2026 Notes (Additional Closing) | Asset Purchase Agreement                  
Subsequent events                  
Aggregate principal amount 8,000,000                
Maximum | Subsequent Events | Convertible debt issued on April 16, 2026                  
Subsequent events                  
Aggregate principal amount     $ 5,000,000            
Maximum | Subsequent Events | Senior convertible notes (the "2026 Notes") | Asset Purchase Agreement                  
Subsequent events                  
Aggregate principal amount $ 10,000,000