v3.26.1
Concentration and risk (Details 2) - Purchase [Member] - Customer Concentration Risk [Member] - Exascale Labs Inc. [Member]
3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Jun. 30, 2025
Jun. 30, 2024
Supplier A [Member]            
Concentration Risk [Line Items]            
Concentration of credit risk 13.00% (0.00%) 26.40% (0.00%) 41.40% 56.60%
Supplier B [Member]            
Concentration Risk [Line Items]            
Concentration of credit risk 30.20% 14.40% 24.90% 21.10% 31.70% 14.60%
Supplier C [Member]            
Concentration Risk [Line Items]            
Concentration of credit risk 33.70% 32.90% 24.20% 24.00% 18.40%
Supplier D [Member]            
Concentration Risk [Line Items]            
Concentration of credit risk 13.80% (0.00%) 11.50% (0.00%) 12.80%
Supplier E [Member]            
Concentration Risk [Line Items]            
Concentration of credit risk (0.00%) 45.50% (0.00%) 47.60%