Document and Entity Information - shares	3 Months Ended
	Apr. 30, 2016	May. 27, 2016
Document And Entity Information [Abstract]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Apr. 30, 2016
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q1
Trading Symbol	ALOT
Entity Registrant Name	AstroNova, Inc.
Entity Central Index Key	0000008146
Current Fiscal Year End Date	--01-31
Entity Filer Category	Smaller Reporting Company
Entity Common Stock, Shares Outstanding		7,426,532