Document And Entity Information - shares	6 Months Ended
	Apr. 01, 2017	May 12, 2017
Document Information [Line Items]
Entity Registrant Name	SPAN AMERICA MEDICAL SYSTEMS INC
Entity Central Index Key	0000718924
Trading Symbol	span
Current Fiscal Year End Date	--09-30
Entity Filer Category	Non-accelerated Filer
Entity Current Reporting Status	Yes
Entity Voluntary Filers	No
Entity Well-known Seasoned Issuer	No
Entity Common Stock, Shares Outstanding (in shares)		2,764,625
Document Type	10-Q
Document Period End Date	Apr. 01, 2017
Document Fiscal Year Focus	2017
Document Fiscal Period Focus	Q2
Amendment Flag	false