XML 43 R1.htm IDEA: XBRL DOCUMENT v3.20.1
Cover Page - shares
 3 Months Ended
May 02, 2020
Jun. 23, 2020
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date May 02, 2020  
Document Fiscal Year Focus 2021  
Document Fiscal Period Focus Q1  
Entity Registrant Name AstroNova, Inc.  
Entity Central Index Key 0000008146  
Current Fiscal Year End Date --01-31  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Accelerated Filer  
Trading Symbol ALOT  
Entity Shell Company false  
Entity Small Business true  
Entity Emerging Growth Company false  
Title of 12(b) Security Common Stock  
Security Exchange Name NASDAQ  
Document Quarterly Report true  
Document Transition Report false  
Entity Address, State or Province RI  
Entity Common Stock, Shares Outstanding   7,163,293