Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.22.1
Stockholders' Equity - Additional Information (Detail) - USD ($)
12 Months Ended
Mar. 04, 2019
Jan. 31, 2022
Jan. 31, 2021
Jan. 31, 2020
Aug. 08, 2019
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Preferred stock, shares authorized   5,000,000      
Preferred stock, shares issued   0      
Expected dividend yield   0.00% 0.00%    
Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value   $ 0.64 $ 0.81    
Rights Agreement [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Preferred shares purchase rights, declared date as dividend Mar. 04, 2019        
Preferred shares purchase rights for each common stock 1        
Preferred shares purchase rights, record date as dividend Mar. 15, 2019        
Rights agreement expiring date   Mar. 04, 2022      
Maximum {Member] | Rights Agreement [Member] | Seachange International, Inc [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Ownership percentage         25.00%
Deferred Stock Units [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of stock units granted   86,957 144,928    
Restricted Stock Units And Deferred Stock Units          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Employee service share-based compensation, nonvested awards, total compensation cost not yet recognized     $ 800,000    
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]          
Number of stock units granted   1,449,047 276,451    
Stock Options [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   $ 400,000      
Share based compensation arrangement by share based payment award expected weighted average recognition period   1 year 8 months 12 days      
Performance Stock Units [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   $ 100,000      
Share based compensation arrangement by share based payment award expected weighted average recognition period   1 year 3 months 18 days      
2021 Compensation and Incentive Plan [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, Expiration Period   10 years      
2021 Compensation and Incentive Plan [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%      
2021 Compensation and Incentive Plan [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      
2021 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 available for grant   1,583,918      
Share-based compensation arrangement by share-based payment award, number of shares purchased for award   2,396,878      
2021 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      
2021 Compensation and Incentive Plan [Member] | ISO [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Combined voting power limit   10      
2021 Compensation and Incentive Plan [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 Company stock at a price per share equal to 85% of the closing price of 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     5,702 14,057  
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      
Long Term Incentive Program          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Share-based compensation arrangement by Share-based payment award, vesting period   3 years 3 years    
Long Term Incentive Program | Performance Stock Units (PSUs) [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Number of stock units granted   300,000      
Service period required to be fulfilled   3 years      
Long Term Incentive Program | Restricted Stock Units And Deferred Stock Units | 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      
Long Term Incentive Program | Restricted Stock Units And Deferred Stock Units | 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      
Series A Participating Preferred Stock [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Preferred stock, shares designated   $ 1,000,000      
Series A Participating Preferred Stock [Member] | Rights Agreement [Member]          
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]          
Preferred shares, dividend payment terms Each Right entitles the registered holder, under certain circumstances, to purchase from the Company one one-hundredth of a share of Series A Participating Preferred Stock, par value $0.01 per share (the “Preferred Shares”), of the Company, at a price of $8.00 per one one-hundredth of a Preferred Share represented by a Right (the “Purchase Price”), subject to adjustment.        
Preferred stock, par value $ 0.01        
Preferred stock, purchase price 8.00        
Preferred stock, redemption price per share $ 0.0001