DOCUMENT AND ENTITY INFORMATION	9 Months Ended
	Oct. 28, 2011	Dec. 12, 2011
Entity Registrant Name	AEROSONIC CORP /DE/
Entity Central Index Key	0000109471
Current Fiscal Year End Date	--01-31
Entity Filer Category	Smaller Reporting Company
Trading Symbol	aim
Entity Common Stock, Shares Outstanding		3,770,323
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 28, 2011
Document Fiscal Period Focus	Q3
Document Fiscal Year Focus	2012