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Fair Value Measurements - Additional Information (Details)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 31, 2023
USD ($)
Jul. 31, 2023
USD ($)
Jan. 31, 2023
USD ($)
Integer
Sep. 15, 2022
USD ($)
C5 Capital Limited [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Change in fair value of the convertible notes $ 0 $ 63    
Number of debt instrument | Integer     2  
Debt instrument face amount 9,875 9,875 $ 5,000  
Level 2 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Convertible debt, fair value     $ 63  
Level 3 [Member]        
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]        
Convertible debt, fair value $ 168 168   $ 774
Change in fair value of the convertible notes   $ 503