Short-term Investments (Table)

9 Months Ended

Nov. 30, 2023

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 November 30, 2023 (in thousands):

	November 30, 2023
		Gross	Gross
	Cost or	Unrealized	Unrealized	Estimated
	Amortized	Holding	Holding	Fair
	Cost	Gains	Losses	Value
November 30, 2023
Investment securities due in less than one year	$18,495	$-	$4	$18,491
February 28, 2023
Investment securities due in less than one year	$-	$-	$-	$-