v3.26.1
FAIR VALUE MEASUREMENTS (Tables)
6 Months Ended
Jul. 31, 2026
FAIR VALUE MEASUREMENTS  
Schedule of financial instruments recorded at fair value on a recurring basis

July 31, 2026

January 31, 2026

Level 1

Level 2

Level 3

Level 1

Level 2

Level 3

  ​ ​ ​

Inputs

  ​ ​ ​

Inputs

Inputs

  ​ ​ ​

Inputs

Inputs

  ​ ​ ​

Inputs

Cash equivalents:

Money market funds

$

135,288

$

$

$

149,597

$

$

Available-for-sale securities:

U.S. Treasury notes

480,557

403,599

Totals

$

135,288

$

480,557

$

$

149,597

$

403,599

$