Short-term Investments and Fair Value Measurements (Tables)

12 Months Ended

Feb. 29, 2024

Short-Term Investments [Abstract]

Amortized Cost and Estimated Fair Value of Investment Securities Classified as Held-to-maturity

Amortized cost and estimated fair value of investment securities classified as held-to-maturity were as follows at February 29, 2024 (in thousands):

	February 29, 2024
			Gross		Gross
	Cost or		Unrealized		Unrealized		Estimated
	Amortized		Holding		Holding		Fair
	Cost		Gains		Losses		Value
February 29, 2024
Investment securities due in less than one year	$	29,325	$	-	$	45	$	29,280
February 28, 2023
Investment securities due in less than one year	$	-	$	-	$	-	$	-