Quarterly report pursuant to Section 13 or 15(d)

Document and Entity Information

v3.22.2.2
Document and Entity Information - shares
 9 Months Ended
Oct. 31, 2022
Dec. 09, 2022
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Oct. 31, 2022  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus Q3  
Trading Symbol SEAC  
Entity Registrant Name SEACHANGE INTERNATIONAL, INC  
Entity Central Index Key 0001019671  
Current Fiscal Year End Date --01-31  
Entity Filer Category Non-accelerated Filer  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   50,189,458
Title of 12(b) Security Common Stock, $0.01 par value per share  
Security Exchange Name NASDAQ  
Entity File Number 001-38828  
Entity Tax Identification Number 04-3197974  
Entity Address, Address Line One 177 Huntington Ave, Ste 1703 PMB 73480  
Entity Address, City or Town Boston  
Entity Address, State or Province MA  
Entity Incorporation, State or Country Code DE  
Entity Address, Postal Zip Code 02115  
City Area Code (978)  
Local Phone Number 897-0100  
Document Quarterly Report true  
Document Transition Report false