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Accrued expenses (Details) - USD ($)
Feb. 29, 2024
Feb. 28, 2023
Payables and Accruals [Abstract]    
Accrued compensation $ 579,757 $ 352,619
Estimated warranty costs 524,875 500,650
Accrued sales tax 152,547
Accrued commissions 133,771 157,927
Professional fees 74,826 100,921
Other accrued expenses 273,702 315,329
Total accrued expenses $ 1,739,478 $ 1,427,446