Accrued Expenses (Tables)

12 Months Ended

Feb. 28, 2021

Payables and Accruals [Abstract]

Accrued expenses

	February 28, 2021		February 29, 2020
Accrued compensation	$	568,213	$	585,875
Estimated warranty costs		565,700		339,275
Accrued commissions		127,342		332,745
Professional fees		100,559		74,492
Other accrued expenses		389,102		281,022
	$	1,750,916	$	1,613,409