XML 35 R25.htm IDEA: XBRL DOCUMENT v3.22.2
Fair Value Measurements (Tables)
3 Months Ended
May 31, 2022
Fair Value Measurements  
Schedule of fair value of financial assets and liabilities

May 31, 2022

    

Level 1  

    

Level 2  

    

Level 3  

    

Fair Value  

Assets

Cash equivalents:

 

  

 

  

 

  

 

  

Money market funds

$

98,800

$

$

 

$

98,800

United States treasury bills

$

144,959

$

$

$

144,959

February 28, 2022

    

Level 1

    

Level 2

    

Level 3

    

Fair Value

Assets

  

  

  

  

Cash equivalents:

 

  

 

  

 

  

 

  

Money market funds

$

131,527

$

$

$

131,527

United States treasury bills

$

99,999

$

$

$

99,999