Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.22.2.2
Stockholders' Equity - Additional Information (Detail) - USD ($)
$ in Millions
6 Months Ended
Aug. 05, 2022
Jul. 31, 2022
Jul. 31, 2021
Stock Options [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Options granted   0  
Cancelled option awards   135,000  
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized   $ 0.2  
Share based compensation arrangement by share based payment award expected weighted average recognition period   1 year 6 months  
Restricted Stock Units [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Awards granted   0  
Stock options and restricted stock units cancelled   12,500  
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized   $ 0.4  
Share based compensation arrangement by share based payment award expected weighted average recognition period   1 year 10 months 24 days  
Performance Stock Unit [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized   $ 0.1  
Share based compensation arrangement by share based payment award expected weighted average recognition period   1 year 1 month 6 days  
2011 Compensation and Incentive Plan [Member] | Stock Compensation Plan | Board of Directions      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, number of shares authorized   4,896,878  
Share-based compensation arrangement by share-based payment award, number of shares purchased for award   2,396,878  
Share-based compensation arrangement by share-based payment award, number of shares available for grant   1,731,418  
2011 Compensation and Incentive Plan [Member] | Deferred Stock Units [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by Share-based payment award, vesting period   1 year  
Compensation And Incentive Plan 2021 [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, Description   Option awards may be granted at an exercise price per share of not less than 100% of the fair market value per common share on the date of the grant and not less than 110% of the fair market value per common share on the date of the grant with respect to ISOs granted to employees owning stock possessing more than 10% of the total combined voting power of all classes of stock of the Company.  
Share-based compensation arrangement by share based payment award, Option award expiration period   10 years  
Compensation And Incentive Plan 2021 [Member] | Subsequent Event [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, number of additional shares authorized 3,000,000    
Compensation And Incentive Plan 2021 [Member] | Minimum [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by Share-based payment award, vesting period   1 year  
Share-based compensation arrangement by share-based payment award, purchase price of common stock, percent   100.00%  
Compensation And Incentive Plan 2021 [Member] | Maximum {Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by Share-based payment award, vesting period   3 years  
Compensation And Incentive Plan 2021 [Member] | ISO [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Combined voting power limit   10  
Compensation And Incentive Plan 2021 [Member] | ISO [Member] | Minimum [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, purchase price of common stock, percent   110  
2015 Employee Stock Purchase Plan [Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, number of shares available for grant   1,075,024  
Share-based compensation arrangement by share-based payment award, Description   On each purchase date, eligible employees can purchase stock at a price per share equal to 85% of the closing price of the Company’s common stock on the exercise date, but no less than par value.  
Share-based compensation arrangement by share-based payment award, purchase price of common stock, percent   85.00%  
Shares purchased under ESPP   0 0
2015 Employee Stock Purchase Plan [Member] | Maximum {Member]      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Share-based compensation arrangement by share-based payment award, number of shares authorized   1,150,000