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Income taxes (Details) - Schedule of Reconciliation of Income Taxes Provided at the Federal Statutory Rate
12 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Schedule of Reconciliation of Income Taxes Provided at the Federal Statutory Rate [Abstract]    
Federal statutory rate (21.00%) (21.00%)
State tax rate, net of federal benefit (6.00%) (6.00%)
Research and development tax credits (7.00%) (6.00%)
Change in valuation allowance 32.00% 29.00%
Other 2.00% 4.00%
Effective income tax rate