CASH, CASH EQUIVALENTS AND INVESTMENTS (Tables)

3 Months Ended

Apr. 30, 2024

CASH, CASH EQUIVALENTS AND INVESTMENTS

Investments

	April 30,		January 31,
	2024		2024
Short-term investments	$	84,029	$	109,489
Available-for-sale securities		124,589		105,884
Total investments	$	208,618	$	215,373

Schedule of available-for-sale securities

	April 30, 2024
			Allowance for		Gross		Gross		Estimated
	Amortized		Credit		Unrealized		Unrealized		Fair
	Cost		Losses		Gains		Losses		Value
U.S. Treasury notes:
Due within one year	$	15,032	$	—	$	—	$	167	$	14,865
Due in one to two years		50,557		—		—		456		50,101
Due in two to three years		50,004		—		—		405		49,599
U.S. corporate debt security:
Due in two to three years		10,046		—		—		22		10,024
Totals	$	125,639	$	—	$	—	$	1,050	$	124,589