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Document and Entity Information
 6 Months Ended
Jul. 28, 2012
Aug. 24, 2012
Document and Entity Information [Abstract]    
Entity Registrant Name ASTRO MED INC /NEW/  
Entity Central Index Key 0000008146  
Document Type 10-Q  
Document Period End Date Jul. 28, 2012  
Amendment Flag false  
Document Fiscal Year Focus 2012  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --01-31  
Entity Filer Category Smaller Reporting Company  
Entity Common Stock, Shares Outstanding   7,441,490
Trading Symbol alot