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Document And Entity Information
 3 Months Ended
Apr. 28, 2012
May 18, 2012
Document And Entity Information [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Period End Date Apr. 28, 2012  
Document Fiscal Year Focus 2013  
Document Fiscal Period Focus Q1  
Entity Registrant Name ASTRO MED INC /NEW/  
Entity Central Index Key 0000008146  
Entity Filer Category Smaller Reporting Company  
Trading Symbol alot  
Current Fiscal Year End Date --01-31  
Entity Common Stock, Shares Outstanding   7,448,791