Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Detail)

v3.23.1
Income Taxes - Additional Information (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 31, 2023
Jan. 31, 2022
Jan. 31, 2021
Income Taxes Disclosure [Line Items]      
Income tax benefit $ 196 $ 15  
Cash dividends 0 1,800  
Deferred tax assets, operating loss carry forwards, domestic 131,000    
Deferred tax assets, operating loss carry forwards, state and local 6,900    
Deferred tax assets, operating loss carry forwards, foreign $ 1,900    
Operating loss carry forwards, expiry beginning year 2023    
Deferred tax assets, tax credit carry forwards, foreign $ 1,200    
Valuation allowance 44,960 44,920  
Valuation allowance increased (decreased)   1,500  
Unrecognized tax benefits 3,235 3,454 $ 4,632
Total gross interest accrued 0 100  
Unrecognized tax benefits that would impact effective tax rate 0 $ 100  
Maximum {Member]      
Income Taxes Disclosure [Line Items]      
Income tax benefit (200)    
Valuation allowance increased (decreased) 100    
Long-term Liabilities [Member]      
Income Taxes Disclosure [Line Items]      
Unrecognized tax benefits 3,200    
Federal [Member]      
Income Taxes Disclosure [Line Items]      
Deferred tax assets, tax credit carry forwards, research 3,000    
State and Local Jurisdiction [Member]      
Income Taxes Disclosure [Line Items]      
Deferred tax assets, tax credit carry forwards, research $ 2,000