Annual report pursuant to Section 13 and 15(d)

Stockholders' Equity - Additional Information (Detail)

v3.20.1
Stockholders' Equity - Additional Information (Detail) - USD ($)
1 Months Ended 12 Months Ended 48 Months Ended
Mar. 04, 2019
Feb. 28, 2019
Jan. 31, 2020
Jan. 31, 2019
Jan. 31, 2018
Jan. 31, 2020
Aug. 08, 2019
Jan. 31, 2017
Jan. 31, 2016
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Preferred stock, shares authorized     5,000,000     5,000,000      
Preferred stock, shares issued     0     0      
Expected dividend yield     0.00% 0.00%          
Options outstanding     2,768,466 4,124,202   2,768,466      
Options granted     1,555,000            
Share-based compensation arrangement by share-based payment award, options, grants in period, weighted average grant date fair value     $ 1.94 $ 0.86          
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                
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     744,931 156,250          
Market Based Options [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Options granted           0      
Market Based Options [Member] | Former CEO [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Options outstanding               800,000 800,000
Fair value of options outstanding     $ 2,100,000            
Service period required to be fulfilled     3 years            
Reversal of stock-based compensation expense   $ 500,000              
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     $ 1,000,000     $ 1,000,000      
Share based compensation arrangement by share based payment award expected weighted average recognition period     1 year 4 months 13 days            
Restricted Stock Units [Member]                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Number of stock units granted     128,961 389,500          
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     $ 1,700,000     $ 1,700,000      
Share based compensation arrangement by share based payment award expected weighted average recognition period     2 years 4 months 2 days            
2011 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 to employees 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.            
Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent     100.00%            
Share-based compensation arrangement by share based payment award, Option award expiration period     10 years            
2011 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            
2011 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            
2011 Compensation and Incentive Plan [Member] | Stock Compensation Plan                  
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]                  
Share-based compensation arrangement by share-based payment award, number of shares authorized     9,300,000     9,300,000      
Share-based compensation arrangement by share-based payment award, number of shares available for grant     2,719,297     2,719,297      
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            
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     1,080,726     1,080,726      
Share-based compensation arrangement by share-based payment award, Description     On each purchase date, eligible employees can purchase our stock at a price per share equal to 85% of the closing price of our common stock on the exercise date, but no less than par value            
Discount percentage from market price of stock     85.00%            
Shares purchased under ESPP     14,057 12,794          
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     1,150,000      
Long Term Incentive Program | Performance Stock Units (PSUs) [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 3 years 3 years        
Service period required to be fulfilled         3 years        
Number of stock units granted     0 210,000          
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     $ 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 us 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