Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Summary of Financial Assets Measured at Fair Value (Detail)

v3.23.1
Fair Value Measurements - Summary of Financial Assets Measured at Fair Value (Detail) - USD ($)
$ in Thousands
Apr. 30, 2023
Jan. 31, 2023
Fair Value Measurements Disclosure [Line Items]    
Marketable securities $ 1,409 $ 1,244
Fair Value, Recurring [Member]    
Fair Value Measurements Disclosure [Line Items]    
Cash equivalents 2,399 2,389
Financial assets measured at fair value 3,808 3,633
Fair Value, Recurring [Member] | Corporate Bonds [Member]    
Fair Value Measurements Disclosure [Line Items]    
Marketable securities 1,409 1,244
Level 1 [Member] | Fair Value, Recurring [Member]    
Fair Value Measurements Disclosure [Line Items]    
Cash equivalents 2,399 2,389
Financial assets measured at fair value 3,808 3,633
Level 1 [Member] | Fair Value, Recurring [Member] | Corporate Bonds [Member]    
Fair Value Measurements Disclosure [Line Items]    
Marketable securities $ 1,409 $ 1,244