Annual report pursuant to Section 13 and 15(d)

DOCUMENT AND ENTITY INFORMATION

v2.4.0.6
DOCUMENT AND ENTITY INFORMATION (USD $)
12 Months Ended
Jan. 31, 2013
Apr. 04, 2013
Jul. 31, 2012
Entity Registrant Name SEACHANGE INTERNATIONAL INC    
Entity Central Index Key 0001019671    
Current Fiscal Year End Date --01-31    
Entity Filer Category Accelerated Filer    
Trading Symbol seac    
Entity Common Stock, Shares Outstanding   32,612,436  
Document Type 10-K    
Amendment Flag false    
Document Period End Date Jan. 31, 2013    
Document Fiscal Period Focus FY    
Document Fiscal Year Focus 2013    
Entity Well-Known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Public Float     $ 243,195,410