v3.26.1
Convertible bonds and notes (Details Narrative)
¥ / shares in Units, $ in Thousands, ¥ in Millions
1 Months Ended 6 Months Ended
Feb. 11, 2025
USD ($)
Jan. 31, 2020
USD ($)
shares
Jan. 31, 2020
CNY (¥)
shares
Sep. 30, 2019
USD ($)
shares
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Sep. 30, 2025
USD ($)
Sep. 19, 2025
USD ($)
Apr. 30, 2025
USD ($)
Jan. 27, 2025
USD ($)
Jan. 31, 2020
CNY (¥)
¥ / shares
Sep. 30, 2019
CNY (¥)
¥ / shares
Issuance cost net         $ 2,343            
Minimum [Member]                        
Debt discount percentage         2.35%              
Maximum [Member]                        
Debt discount percentage         8.00%              
Convertible Bonds [Member]                        
Convertible debt   $ 4,656   $ 78             ¥ 30.0 ¥ 0.5
Debt instrument interest rate stated percentage   1.20%   0.02%             1.20% 0.02%
Proceeds from issuance of debt   $ 4,734 ¥ 30.5                  
Issuance cost net                      
Debt instrument, maturity date   Jun. 30, 2020 Jun. 30, 2020 Sep. 23, 2020                
Converted into ordinary shares | shares   462,852 462,852 10,419                
Debt instrument convertible conversion price | ¥ / shares                     ¥ 64.82 ¥ 47.99
Debt instrument principal amounts         $ 4,428   $ 4,284          
Unpaid interest of convertible debt         6,150   $ 5,420          
Debt instrument accrued interest         $ 548 $ 525            
Convertible Bonds [Member] | Minimum [Member]                        
Debt instrument interest rate stated percentage   8.00%                 8.00%  
Convertible Bonds [Member] | Maximum [Member]                        
Debt instrument interest rate stated percentage   24.00%                 24.00%  
2025 Convertible Note [Member] | Securities Purchase Agreement [Member]                        
Debt instrument principal amounts $ 3,017                 $ 3,517    
Debt discount percentage                   8.25%    
Net proceeds 2,343                      
Debt remaining principal amount $ 500               $ 500      
2025 Convertible Note [Member] | Securities Purchase Agreement [Member] | Incremental Warrants [Member]                        
Debt instrument principal amounts                   $ 4,000    
Debt discount percentage                   110.00%    
2025 Convertible Note [Member] | Second Waiver Agreement [Member]                        
Debt instrument principal amounts               $ 1,534